draft-ietf-pim-igmp-mld-yang-00.txt   draft-ietf-pim-igmp-mld-yang-01.txt 
PIM Working Group X. Liu PIM Working Group X. Liu
Internet-Draft Ericsson Internet-Draft Ericsson
Intended Status: Standard Track F. Guo Intended Status: Standard Track F. Guo
Expires: January 7, 2017 Huawei Expires: April 28, 2017 Huawei
M. Sivakumar M. Sivakumar
Cisco Cisco
P. McAllister P. McAllister
Metaswitch Networks Metaswitch Networks
A. Peter A. Peter
Juniper Networks Juniper Networks
July 8, 2016 October 28, 2016
A YANG data model for Internet Group Management Protocol (IGMP) and A YANG data model for Internet Group Management Protocol (IGMP) and
Multicast Listener Discovery (MLD) Multicast Listener Discovery (MLD)
draft-ietf-pim-igmp-mld-yang-00.txt draft-ietf-pim-igmp-mld-yang-01.txt
Abstract
This document defines a YANG data model that can be used to
configure and manage Internet Group Management Protocol (IGMP) and
Multicast Listener Discovery (MLD) devices.
Status of this Memo Status of this Memo
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provisions of BCP 78 and BCP 79. provisions of BCP 78 and BCP 79.
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Abstract
This document defines a YANG data model that can be used to
configure and manage Internet Group Management Protocol (IGMP) and
Multicast Listener Discovery (MLD) devices.
Table of Contents Table of Contents
1. Introduction ................................................ 2 1. Introduction ................................................ 2
1.1. Requirements Language................................... 3 1.1. Requirements Languag ................................... 3
1.2. Terminology ............................................ 3 1.2. Terminology ............................................ 3
2. Design of Data Model......................................... 3 2. Design of Data model......................................... 3
2.1. Scope of model ......................................... 3 2.1. Scope of model ......................................... 3
2.2. Optional capabilities................................... 3 2.2. Optional capabilities................................... 3
2.3. Position of address family in hierarchy................. 4 2.3. Position of address family in hierarchy................. 4
3. Module Structure ............................................ 4 3. Module Structure ............................................ 4
3.1. IGMP and MLD Configuration.............................. 4 3.1. IGMP and MLD Configuration.............................. 4
3.2. IGMP and MLD Operational State.......................... 6 3.2. IGMP and MLD Operational State.......................... 6
4. Security Considerations..................................... 28 3.3. IGMP and MLD RPC....................................... 10
5. IANA Considerations ........................................ 28 4. IGMP and MLD YANG Modules................................... 10
6. Acknowledgements ........................................... 28 5. Security Considerations..................................... 31
7. References ................................................. 28 6. IANA Considerations ........................................ 31
7.1. Normative References................................... 28 7. References ................................................. 31
7.2. Informative References................................. 29 7.1. Normative References................................... 31
Authors' Addresses ............................................ 29 7.2. Informative References................................. 32
8. Acknowledgments ............................................ 32
1. Introduction 1. Introduction
YANG [RFC6020] [RFC6087] is a data definition language that was YANG [RFC6020] [RFC6087] is a data definition language that was
introduced to model the configuration and running state of a device introduced to model the configuration and running state of a device
managed using NETCONF [RFC6241]. YANG is now also being used as a managed using NETCONF [RFC6241]. YANG is now also being used as a
component of wider management interfaces, such as CLIs. component of wider management interfaces, such as CLIs.
This document defines a draft YANG data model that can be used to This document defines a draft YANG data model that can be used to
configure and manage Internet Group Management Protocol (IGMP) and configure and manage Internet Group Management Protocol (IGMP) and
Multicast Listener Discovery (MLD) devices. Currently this model is Multicast Listener Discovery (MLD) devices. Currently this model is
incomplete, but it will support the core IGMP and MLD protocols, as incomplete, but it will support the core IGMP and MLD protocols, as
well as many other features mentioned in separate IGMP and MLD RFCs. well as many other features mentioned in separate IGMP and MLD RFCs.
Non-core features are defined as optional in the provided data model. Non-core features are defined as optional in the provided data
model.
1.1. Requirements Language 1.1. Requirements Language
The key words "MUST", "MUST NOT", "REQUIRED", "SHALL", "SHALL NOT", The key words "MUST", "MUST NOT", "REQUIRED", "SHALL", "SHALL NOT",
"SHOULD", "SHOULD NOT", "RECOMMENDED", "MAY", and "OPTIONAL" in this "SHOULD", "SHOULD NOT", "RECOMMENDED", "MAY", and "OPTIONAL" in this
document are to be interpreted as described in RFC 2119 [RFC2119]. document are to be interpreted as described in RFC-2119 [RFC2119].
1.2. Terminology 1.2. Terminology
The terminology for describing YANG data models is found in The terminology for describing YANG data models is found
[RFC6020]. in[RFC6020].
This draft employs YANG tree diagrams, which are explained in [I- This draft employs YANG tree diagrams, which are explained in [I-
D.ietf-netmod-rfc6087bis]. D.ietf-netmod-rfc6087bis].
2. Design of Data Model 2. Design of Data model
2.1. Scope of model 2.1. Scope of model
The model covers IGMPv1 [RFC1112], IGMPv2[RFC2236], IGMPv3[RFC3376] The model covers IGMPv1 [RFC1112], IGMPv2[RFC2236], IGMPv3[RFC3376]
and MLDv1[RFC2710], MLDv2[RFC3810]. and MLDv1[RFC2710], MLDv2[RFC3810].
The representation of some of extension features is not completely The representation of some of extension features is not completely
specified in this draft of the data model. This model is being specified in this draft of the data model. This model is being
circulated in its current form for early oversight and review of the circulated in its current form for early oversight and review of the
basic hierarchy. basic hierarchy.
skipping to change at page 3, line 45 skipping to change at page 3, line 45
This model does not cover other IGMP and MLD related protocols such This model does not cover other IGMP and MLD related protocols such
as IGMP/MLD Proxy[RFC4605] or IGMP/MLD Snooping[RFC4541] etc., these as IGMP/MLD Proxy[RFC4605] or IGMP/MLD Snooping[RFC4541] etc., these
will be covered by future Internet Drafts. will be covered by future Internet Drafts.
2.2. Optional capabilities 2.2. Optional capabilities
This model is designed to represent the capabilities of IGMP and MLD This model is designed to represent the capabilities of IGMP and MLD
devices with various specifications, including some with basic devices with various specifications, including some with basic
subsets of the IGMP and MLD protocols. The main design goals of subsets of the IGMP and MLD protocols. The main design goals of
this draft are that any major now-existing implementation may be this draft are that any major now-existing implementation may be
said to support the basic model, and that the configuration of all said to support the basic model, and that the configuration of all
implementations meeting the specification is easy to express through implementations meeting the specification is easy to express through
some combination of the features in the basic model and simple some combination of the features in the basic model and simple
vendor augmentations. vendor augmentations.
There is also value in widely-supported features being standardized, There is also value in widely-supported features being standardized,
to save work for individual vendors, and so that mapping between to save work for individual vendors, and so that mapping between
different vendors' configuration is not needlessly complicated. different vendors' configuration is not needlessly complicated.
Therefore these modules declare a number of features representing Therefore these modules declare a number of features representing
capabilities that not all deployed devices support. capabilities that not all deployed devices support.
The extensive use of feature declarations should also substantially The extensive use of feature declarations should also substantially
simplify the capability negotiation process for a vendor's IGMP and simplify the capability negotiation process for a vendor's IGMP and
MLD implementations. MLD implementations.
On the other hand, operational state parameters are not so widely On the other hand, operational state parameters are not so widely
designated as features, as there are many cases where the defaulting designated as features, as there are many cases where the defaulting
of an operational state parameter would not cause any harm to the of an operational state parameter would not cause any harm to the
skipping to change at page 4, line 32 skipping to change at page 4, line 32
vendors will augment the model with any specific restrictions that vendors will augment the model with any specific restrictions that
might be required. Vendors may also extend the features list with might be required. Vendors may also extend the features list with
proprietary extensions. proprietary extensions.
2.3. Position of address family in hierarchy 2.3. Position of address family in hierarchy
The current draft contains IGMP and MLD as separate schema branches The current draft contains IGMP and MLD as separate schema branches
in the structure. The reason for this is to make it easier for in the structure. The reason for this is to make it easier for
implementations which may optionally choose to support specific implementations which may optionally choose to support specific
address families. And the names of objects may be different between address families. And the names of objects may be different between
the ipv4 (igmp) and ipv6 (mld) address families. the ipv4 (IGMP) and ipv6 (MLD) address families.
3. Module Structure 3. Module Structure
3.1. IGMP and MLD Configuration 3.1. IGMP and MLD Configuration
The IGMP and MLD modules define the routing-instance-wide The IGMP and MLD modules define the routing-instance-wide
configuration options in a three-level hierarchy as listed below: configuration options in a three-level hierarchy as listed below:
Global level: IGMP MLD configuration attributes for the entire Global level: IGMP MLD configuration attributes for the entire
routing instance routing instance
Interface-global: IGMP MLD configuration attributes applicable to Interface-global: IGMP MLD configuration attributes applicable to
all interfaces IGMP MLD configuration attributes applied to all interfaces IGMP MLD configuration attributes applied to
interfaces whose interface level attributes are not existing, with interfaces whose interface level attributes are not existing, with
same attributes' value for those same attributes' value for those
Interface-level: IGMP MLD configuration attributes specific to the
given interface Interface-level: IGMP MLD configuration attributes specific to
the given interface
Where fields are not genuinely essential to protocol operation, they Where fields are not genuinely essential to protocol operation, they
are marked as optional. Some fields will be essential but have a are marked as optional. Some fields will be essential but have a
default specified, so that they need not be configured explicitly. default specified, so that they need not be configured explicitly.
The module structure also applies, where applicable, to the The module structure also applies, where applicable, to the
operational state and notifications as well. operational state and notifications as well.
Our current direction is to agree to a routing-instance-centric (VRF) Our current direction is to agree to a routing-instance-centric
model as opposed to protocol-centric mainly because it fits well (VRF) model as opposed to protocol-centric mainly because it fits
into the routing-instance model, and it is easier to map from the well into the routing-instance model, and it is easier to map from
VRF-centric to the protocol-centric than the other way around due to the VRF-centric to the protocol-centric than the other way around
forward references. due to forward references.
The IGMP and MLD model will augment "/rt:routing/rt:routing- The IGMP and MLD model augments "/rt:routing/rt:control-plane-
instance/rt:routing-protocols:" as opposed to augmenting protocols" as opposed to augmenting "/rt:routing/rt:control-plane-
'' rt:routing-instance/rt:routing-protocols:/rt:routing-protocol" as protocols/ rt:control-plane-protocol" as the latter would allow
the latter would allow multiple protocol instances per VRF, which multiple protocol instances per VRF, which does not make sense for
does not make sense for IGMP and MLD. IGMP and MLD.
augment /rt:routing/rt:routing-instance/rt:routing-protocols:
+--rw igmp
| +--rw global
| | +--rw enable? boolean {global-admin-enable}?
| | +--rw max-entries? uint32 {global-max-entries}?
| | +--rw max-groups? uint32 {global-max-groups}?
| +--rw interfaces
| +--rw last-member-query-interval? uint16
| +--rw max-groups-per-interface? uint32 {intf-max-groups}?
| +--rw query-interval? uint16
| +--rw query-max-response-time? uint16
| +--rw require-router-alert? boolean {intf-require-router-alert}?
| +--rw robustness-variable? uint8
| +--rw version? uint8
| +--rw interface* [interface]
| +--rw interface if:interface-ref
| +--rw enable? boolean {intf-admin-enable}?
| +--rw group-policy? string
| +--rw immediate-leave? empty {intf-immediate-leave}?
| +--rw last-member-query-interval? uint16
| +--rw max-groups? uint32 {intf-max-groups}?
| +--rw max-group-sources? uint32 {intf-max-group-sources}?
| +--rw query-interval? uint16
| +--rw query-max-response-time? uint16
| +--rw require-router-alert? s boolean {intf-require-router-alert}?
| +--rw robustness-variable? uint8
| +--rw source-policy? string {intf-source-policy}?
| +--rw verify-source-subnet? empty {intf-verify-source-subnet}?
| +--rw version? uint8
| +--rw join-group* inet:ipv4-address {intf-join-group}?
| +--rw ssm-map* [source-addr group-policy] {intf-ssm-map}?
| | +--rw source-addr ssm-map-ipv4-addr-type
| | +--rw group-policy string
| +--rw static-group* [group source-addr] {intf-static-group}?
| +--rw group inet:ipv4-address
| +--rw source-addr source-ipv4-addr-type
+--rw mld
+--rw global
| +--rw enable? boolean {global-admin-enable}?
| +--rw max-entries? uint32 {global-max-entries}?
| +--rw max-groups? uint32 {global-max-groups}?
+--rw interfaces
+--rw last-member-query-interval? uint16
+--rw max-groups-per-interface? uint32 {intf-max-groups}?
+--rw query-interval? uint16
+--rw query-max-response-time? uint16
+--rw require-router-alert? boolean {intf-require-router-alert}?
+--rw robustness-variable? uint8
+--rw version? uint8
+--rw interface* [interface]
+--rw interface if:interface-ref
+--rw enable? boolean {intf-admin-enable}?
+--rw group-policy? string
+--rw immediate-leave? empty {intf-immediate-leave}?
+--rw last-member-query-interval? uint16
+--rw max-groups? uint32 {intf-max-groups}?
+--rw max-group-sources? uint32 {intf-max-group-sources}?
+--rw query-interval? uint16
+--rw query-max-response-time? uint16
+--rw require-router-alert? boolean {intf-require-router-alert}?
+--rw robustness-variable? uint8
+--rw source-policy? string {intf-source-policy}?
+--rw verify-source-subnet? empty {intf-verify-source-subnet}?
+--rw version? uint8
+--rw join-group* inet:ipv6-address {intf-join-group}?
+--rw ssm-map* [source-addr group-policy] {intf-ssm-map}?
| +--rw source-addr ssm-map-ipv6-addr-type
| +--rw group-policy string
+--rw static-group* [group source-addr] {intf-static-group}?
+--rw group inet:ipv6-address
+--rw source-addr source-ipv6-addr-type
3.2. IGMP and MLD Operational State
The IGMP and MLD module contains operational state information augment /rt:routing/rt:control-plane-protocols:
also in a three-level hierarchy as mentioned earlier. +--rw igmp
| +--rw global
| | +--rw enable? boolean {global-admin-enable}?
| | +--rw max-entries? uint32 {global-max-entries}?
| | +--rw max-groups? uint32 {global-max-groups}?
| +--rw interfaces
| +--rw last-member-query-interval? uint16
| +--rw max-groups-per-interface? uint32 {intf-max-groups}?
| +--rw query-interval? uint16
| +--rw query-max-response-time? uint16
| +--rw require-router-alert? boolean {intf-require-router-alert}?
| +--rw robustness-variable? uint8
| +--rw version? uint8
| +--rw interface* [interface]
| +--rw interface if:interface-ref
| +--rw enable? boolean {intf-admin-enable}?
| +--rw group-policy? string
| +--rw immediate-leave? empty {intf-immediate-leave}?
| +--rw last-member-query-interval? uint16
| +--rw max-groups? uint32 {intf-max-groups}?
| +--rw max-group-sources? uint32 {intf-max-group-sources}?
| +--rw query-interval? uint16
| +--rw query-max-response-time? uint16
| +--rw require-router-alert? boolean {intf-require-router-alert}?
| +--rw robustness-variable? uint8
| +--rw source-policy? string {intf-source-policy}?
| +--rw verify-source-subnet? empty {intf-verify-source-subnet}?
| +--rw version? uint8
| +--rw join-group* inet:ipv4-address {intf-join-group}?
| +--rw ssm-map* [source-addr group-policy] {intf-ssm-map}?
| | +--rw source-addr ssm-map-ipv4-addr-type
| | +--rw group-policy string
| +--rw static-group* [group source-addr] {intf-static-group}?
| +--rw group inet:ipv4-address
| +--rw source-addr source-ipv4-addr-type
+--rw mld
+--rw global
| +--rw enable? boolean {global-admin-enable}?
| +--rw max-entries? uint32 {global-max-entries}?
| +--rw max-groups? uint32 {global-max-groups}?
+--rw interfaces
+--rw last-member-query-interval? uint16
+--rw max-groups-per-interface? uint32 {intf-max-groups}?
+--rw query-interval? uint16
+--rw query-max-response-time? uint16
+--rw require-router-alert? boolean {intf-require-router-alert}?
+--rw robustness-variable? uint8
+--rw version? uint8
+--rw interface* [interface]
+--rw interface if:interface-ref
+--rw enable? boolean {intf-admin-enable}?
+--rw group-policy? string
+--rw immediate-leave? empty {intf-immediate-leave}?
+--rw last-member-query-interval? uint16
+--rw max-groups? uint32 {intf-max-groups}?
+--rw max-group-sources? uint32 {intf-max-group-sources}?
+--rw query-interval? uint16
+--rw query-max-response-time? uint16
+--rw require-router-alert? boolean {intf-require-router-alert}?
+--rw robustness-variable? uint8
+--rw source-policy? string {intf-source-policy}?
+--rw verify-source-subnet? empty {intf-verify-source-subnet}?
+--rw version? uint8
+--rw join-group* inet:ipv6-address {intf-join-group}?
+--rw ssm-map* [source-addr group-policy] {intf-ssm-map}?
| +--rw source-addr ssm-map-ipv6-addr-type
| +--rw group-policy string
+--rw static-group* [group source-addr] {intf-static-group}?
+--rw group inet:ipv6-address
+--rw source-addr source-ipv6-addr-type
Global level: IGMP MLD operational state attributes for the entire 3.2. IGMP and MLD Operational State
routing instance
Interface-global: IGMP MLD interface level operational state The IGMP and MLD module contains operational state information also
in a three-level hierarchy as mentioned earlier.
Global level: IGMP MLD operational state attributes for the
entire routing instance
Interface-global: IGMP MLD interface level operational state
attributes applied to interfaces whose interface level attributes do attributes applied to interfaces whose interface level attributes do
not exist, with same attributes' value for those interfaces not exist, with same attributes' value for those interfaces
Interface-specific: IGMP MLD operational state attributes specific
to the given interface.
augment /rt:routing-state/rt:routing-instance/rt:routing-protocols:
+--ro igmp
| +--ro global
| | +--ro enable? boolean {global-admin-enable}?
| | +--ro max-entries? uint32 {global-max-entries}?
| | +--ro max-groups? uint32 {global-max-groups}?
| | +--ro entries-count? uint32
| | +--ro groups-count? uint32
| | +--ro statistics
| | +--ro discontinuity-time? yang:date-and-time
| | +--ro error
| | | +--ro total? yang:counter64
| | | +--ro query? yang:counter64
| | | +--ro report? yang:counter64
| | | +--ro leave? yang:counter64
| | | +--ro checksum? yang:counter64
| | | +--ro too-short? yang:counter64
| | +--ro received
| | | +--ro total? yang:counter64
| | | +--ro query? yang:counter64
| | | +--ro report? yang:counter64
| | | +--ro leave? yang:counter64
| | +--ro sent
| | +--ro total? yang:counter64
| | +--ro query? yang:counter64
| | +--ro report? yang:counter64
| | +--ro leave? yang:counter64
| +--ro interfaces
| +--ro last-member-query-interval? uint16
| +--ro max-groups-per-interface? uint32 {intf-max-groups}?
| +--ro query-interval? uint16
| +--ro query-max-response-time? uint16
| +--ro require-router-alert? boolean {intf-require-router-alert}?
| +--ro robustness-variable? uint8
| +--ro version? uint8
| +--ro interface* [interface]
| +--ro interface if:interface-ref
| +--ro enable? boolean {intf-admin-enable}?
| +--ro group-policy? string
| +--ro immediate-leave? empty {intf-immediate-leave}?
| +--ro last-member-query-interval? uint16
| +--ro max-groups? uint32 {intf-max-groups}?
| +--ro max-group-sources? uint32 {intf-max-group-sources}?
| +--ro query-interval? uint16
| +--ro query-max-response-time? uint16
| +--ro require-router-alert? boolean {intf-require-router-alert}?
| +--ro robustness-variable? uint8
| +--ro source-policy? string {intf-source-policy}?
| +--ro verify-source-subnet? empty {intf-verify-source-subnet}?
| +--ro version? uint8
| +--ro join-group* inet:ipv4-address {intf-join-group}?
| +--ro ssm-map* [source-addr group-policy] {intf-ssm-map}?
| | +--ro source-addr ssm-map-ipv4-addr-type
| | +--ro group-policy string
| +--ro static-group* [group source-addr] {intf-static-group}?
| | +--ro group inet:ipv4-address
| | +--ro source-addr source-ipv4-addr-type
| +--ro oper-status? enumeration
| +--ro dr? inet:ipv4-address
| +--ro querier? inet:ipv4-address
| +--ro joined-group* inet:ipv4-address {intf-join-group}?
| +--ro group* [address]
| +--ro address inet:ipv4-address
| +--ro expire? uint32
| +--ro filter-mode? enumeration
| +--ro host-count? uint32
| +--ro up-time? uint32
| +--ro host* inet:ipv4-address
| +--ro last-reporter? inet:ipv4-address
| +--ro source* [address]
| +--ro address inet:ipv4-address
| +--ro expire? uint32
| +--ro up-time? uint32
| +--ro last-reporter? inet:ipv4-address
+--ro mld
+--ro global
| +--ro enable? boolean {global-admin-enable}?
| +--ro max-entries? uint32 {global-max-entries}?
| +--ro max-groups? uint32 {global-max-groups}?
| +--ro entries-count? uint32
| +--ro groups-count? uint32
| +--ro statistics
| +--ro discontinuity-time? yang:date-and-time
| +--ro error
| | +--ro total? yang:counter64
| | +--ro query? yang:counter64
| | +--ro report? yang:counter64
| | +--ro leave? yang:counter64
| | +--ro checksum? yang:counter64
| | +--ro too-short? yang:counter64
| +--ro received
| | +--ro total? yang:counter64
| | +--ro query? yang:counter64
| | +--ro report? yang:counter64
| | +--ro leave? yang:counter64
| +--ro sent
| +--ro total? yang:counter64
| +--ro query? yang:counter64
| +--ro report? yang:counter64
| +--ro leave? yang:counter64
+--ro interfaces
+--ro last-member-query-interval? uint16
+--ro max-groups-per-interface? uint32 {intf-max-groups}?
+--ro query-interval? uint16
+--ro query-max-response-time? uint16
+--ro require-router-alert? boolean {intf-require-router-alert}?
+--ro robustness-variable? uint8
+--ro version? uint8
+--ro interface* [interface]
+--ro interface if:interface-ref
+--ro enable? boolean {intf-admin-enable}?
+--ro group-policy? string
+--ro immediate-leave? empty {intf-immediate-leave}?
+--ro last-member-query-interval? uint16
+--ro max-groups? uint32 {intf-max-groups}?
+--ro max-group-sources? uint32 {intf-max-group-sources}?
+--ro query-interval? uint16
+--ro query-max-response-time? uint16
+--ro require-router-alert? boolean {intf-require-router-alert}?
+--ro robustness-variable? uint8
+--ro source-policy? string {intf-source-policy}?
+--ro verify-source-subnet? empty {intf-verify-source-subnet}?
+--ro version? uint8
+--ro join-group* inet:ipv6-address {intf-join-group}?
+--ro ssm-map* [source-addr group-policy] {intf-ssm-map}?
| +--ro source-addr ssm-map-ipv6-addr-type
| +--ro group-policy string
+--ro static-group* [group source-addr] {intf-static-group}?
| +--ro group inet:ipv6-address
| +--ro source-addr source-ipv6-addr-type
+--ro oper-status? enumeration
+--ro querier? inet:ipv6-address
+--ro joined-group* inet:ipv6-address {intf-join-group}?
+--ro group* [address]
+--ro address inet:ipv6-address
+--ro expire? uint32
+--ro filter-mode? enumeration
+--ro host-count? uint32
+--ro up-time? uint32
+--ro host* inet:ipv6-address
+--ro last-reporter? inet:ipv6-address
+--ro source* [address]
+--ro address inet:ipv6-address
+--ro expire? uint32
+--ro up-time? uint32
+--ro last-reporter? inet:ipv6-address
3.3. IGMP and MLD RPC Interface-specific: IGMP MLD operational state attributes
specific to the given interface.
rpcs: augment /rt:routing-state/rt:control-plane-protocols:
+---x clear-igmp-groups {rpc-clear-groups}? +--ro igmp
| +---w input | +--ro global
| +---w routing-instance? rt:routing-instance-ref | | +--ro enable? boolean {global-admin-enable}?
| +---w interface? leafref | | +--ro max-entries? uint32 {global-max-entries}?
| +---w group? inet:ipv4-address | | +--ro max-groups? uint32 {global-max-groups}?
+---x clear-mld-groups {rpc-clear-groups}? | | +--ro entries-count? uint32
+---w input | | +--ro groups-count? uint32
+---w routing-instance? rt:routing-instance-ref | | +--ro statistics
+---w interface? leafref | | +--ro discontinuity-time? yang:date-and-time
+---w group? inet:ipv4-address | | +--ro error
4. IGMP and MLD YANG Modules | | | +--ro total? yang:counter64
module ietf-igmp-mld { | | | +--ro query? yang:counter64
namespace "urn:ietf:params:xml:ns:yang:ietf-igmp-mld"; | | | +--ro report? yang:counter64
// replace with IANA namespace when assigned | | | +--ro leave? yang:counter64
prefix igmp-mld; | | | +--ro checksum? yang:counter64
| | | +--ro too-short? yang:counter64
| | +--ro received
| | | +--ro total? yang:counter64
| | | +--ro query? yang:counter64
| | | +--ro report? yang:counter64
| | | +--ro leave? yang:counter64
| | +--ro sent
| | +--ro total? yang:counter64
| | +--ro query? yang:counter64
| | +--ro report? yang:counter64
| | +--ro leave? yang:counter64
| +--ro interfaces
| +--ro last-member-query-interval? uint16
| +--ro max-groups-per-interface? uint32 {intf-max-groups}?
| +--ro query-interval? uint16
| +--ro query-max-response-time? uint16
| +--ro require-router-alert? boolean {intf-require-router-alert}?
| +--ro robustness-variable? uint8
| +--ro version? uint8
| +--ro interface* [interface]
| +--ro interface if:interface-ref
| +--ro enable? boolean {intf-admin-enable}?
| +--ro group-policy? string
| +--ro immediate-leave? empty {intf-immediate-leave}?
| +--ro last-member-query-interval? uint16
| +--ro max-groups? uint32 {intf-max-groups}?
| +--ro max-group-sources? uint32 {intf-max-group-source
| +--ro query-interval? uint16
| +--ro query-max-response-time? uint16
| +--ro require-router-alert? boolean {intf-require-router-alert}?
| +--ro robustness-variable? uint8
| +--ro source-policy? string {intf-source-policy}?
| +--ro verify-source-subnet? empty {intf-verify-source-subnet}?
| +--ro version? uint8
| +--ro join-group* inet:ipv4-address {intf-join-group}?
| +--ro ssm-map* [source-addr group-policy] {intf-ssm-map}?
| | +--ro source-addr ssm-map-ipv4-addr-type
| | +--ro group-policy string
| +--ro static-group* [group source-addr] {intf-static-group}?
| | +--ro group inet:ipv4-address
| | +--ro source-addr source-ipv4-addr-type
| +--ro oper-status? enumeration
| +--ro dr? inet:ipv4-address
| +--ro querier? inet:ipv4-address
| +--ro joined-group* inet:ipv4-address {intf-join-group}?
| +--ro group* [address]
| +--ro address inet:ipv4-address
| +--ro expire? uint32
| +--ro filter-mode? enumeration
| +--ro host-count? uint32
| +--ro up-time? uint32
| +--ro host* inet:ipv4-address
| +--ro last-reporter? inet:ipv4-address
| +--ro source* [address]
| +--ro address inet:ipv4-address
| +--ro expire? uint32
| +--ro up-time? uint32
| +--ro last-reporter? inet:ipv4-address
+--ro mld
+--ro global
| +--ro enable? boolean {global-admin-enable}?
| +--ro max-entries? uint32 {global-max-entries}?
| +--ro max-groups? uint32 {global-max-groups}?
| +--ro entries-count? uint32
| +--ro groups-count? uint32
| +--ro statistics
| +--ro discontinuity-time? yang:date-and-time
| +--ro error
| | +--ro total? yang:counter64
| | +--ro query? yang:counter64
| | +--ro report? yang:counter64
| | +--ro leave? yang:counter64
| | +--ro checksum? yang:counter64
| | +--ro too-short? yang:counter64
| +--ro received
| | +--ro total? yang:counter64
| | +--ro query? yang:counter64
| | +--ro report? yang:counter64
| | +--ro leave? yang:counter64
| +--ro sent
| +--ro total? yang:counter64
| +--ro query? yang:counter64
| +--ro report? yang:counter64
| +--ro leave? yang:counter64
+--ro interfaces
+--ro last-member-query-interval? uint16
+--ro max-groups-per-interface? uint32 {intf-max-groups}?
+--ro query-interval? uint16
+--ro query-max-response-time? uint16
+--ro require-router-alert? boolean {intf-require-router-alert}?
+--ro robustness-variable? uint8
+--ro version? uint8
+--ro interface* [interface]
+--ro interface if:interface-ref
+--ro enable? boolean {intf-admin-enable}?
+--ro group-policy? string
+--ro immediate-leave? empty {intf-immediate-leave}?
+--ro last-member-query-interval? uint16
+--ro max-groups? uint32 {intf-max-groups}?
+--ro max-group-sources? uint32 {intf-max-group-sources}?
+--ro query-interval? uint16
+--ro query-max-response-time? uint16
+--ro require-router-alert? boolean {intf-require-router-alert}?
+--ro robustness-variable? uint8
+--ro source-policy? string {intf-source-policy}?
+--ro verify-source-subnet? empty {intf-verify-source-subnet}?
+--ro version? uint8
+--ro join-group* inet:ipv6-address {intf-join-group}?
+--ro ssm-map* [source-addr group-policy] {intf-ssm-map}?
| +--ro source-addr ssm-map-ipv6-addr-type
| +--ro group-policy string
+--ro static-group* [group source-addr] {intf-static-group}?
| +--ro group inet:ipv6-address
| +--ro source-addr source-ipv6-addr-type
+--ro oper-status? enumeration
+--ro querier? inet:ipv6-address
+--ro joined-group* inet:ipv6-address {intf-join-group}?
+--ro group* [address]
+--ro address inet:ipv6-address
+--ro expire? uint32
+--ro filter-mode? enumeration
+--ro host-count? uint32
+--ro up-time? uint32
+--ro host* inet:ipv6-address
+--ro last-reporter? inet:ipv6-address
+--ro source* [address]
+--ro address inet:ipv6-address
+--ro expire? uint32
+--ro up-time? uint32
+--ro last-reporter? inet:ipv6-address
import ietf-inet-types { 3.3. IGMP and MLD RPC
prefix "inet";
}
import ietf-yang-types { rpcs:
prefix "yang";
}
import ietf-routing { +---x clear-igmp-groups {rpc-clear-groups}?
prefix "rt";
}
import ietf-interfaces { | +---w input
prefix "if";
}
import ietf-ip { | +---w interface? -> /rt:routing/control-plane-protocols/igmp/interfaces/interface/interface
prefix ip;
}
organization | +---w group? inet:ipv4-address
"IETF PIM Working Group";
contact | +---w source? inet:ipv4-address
"WG Web: <http://tools.ietf.org/wg/pim/>
WG List: <mailto:pim@ietf.org>
WG Chair: Stig Venaas +---x clear-mld-groups {rpc-clear-groups}?
<mailto:stig@venaas.com>
WG Chair: Mike McBride +---w input
<mailto:mmcbride7@gmail.com>
Editors: "; +---w interface? -> /rt:routing/control-plane-protocols/mld/interfaces/interface/interface
description +---w group? inet:ipv6-address
"The module defines a collection of YANG definitions common for
IGMP.";
revision 2016-03-01 { +---w source? inet:ipv6-address
description
"Initial revision.";
reference
"RFC XXXX: A YANG Data Model for IGMP";
}
/* 4. IGMP and MLD YANG Modules
* Features
*/
feature global-admin-enable {
description
"Support global configuration to enable or disable protocol.";
}
feature global-interface-config { <CODE BEGINS> file "ietf-igmp-mld@2016-10-28.yang"
description module ietf-igmp-mld {
"Support global configuration applied for all interfaces."; namespace "urn:ietf:params:xml:ns:yang:ietf-igmp-mld";
} // replace with IANA namespace when assigned
prefix igmp-mld;
feature global-max-entries { import ietf-inet-types {
description prefix "inet";
"Support configuration of global max-entries."; }
}
feature global-max-groups { import ietf-yang-types {
description prefix "yang";
"Support configuration of global max-groups."; }
}
feature intf-admin-enable { import ietf-routing {
description prefix "rt";
"Support configuration of interface administrative enabling."; }
}
feature intf-immediate-leave { import ietf-interfaces {
description prefix "if";
"Support configuration of interface immediate-leave."; }
}
feature intf-join-group { import ietf-ip {
description prefix ip;
"Support configuration of interface join-group."; }
}
feature intf-max-groups { organization
description "IETF PIM Working Group";
"Support configuration of interface max-groups.";
}
feature intf-max-group-sources { contact
description "WG Web: <http://tools.ietf.org/wg/pim/>
"Support configuration of interface max-group-sources."; WG List: <mailto:pim@ietf.org>
}
feature intf-require-router-alert { WG Chair: Stig Venaas
description <mailto:stig@venaas.com>
"Support configuration of interface require-router-alert.";
}
feature intf-source-policy { WG Chair: Mike McBride
description <mailto:mmcbride7@gmail.com>
"Support configuration of interface source policy.";
}
feature intf-ssm-map { Editors: ";
description
"Support configuration of interface ssm-map.";
} description
"The module defines a collection of YANG definitions common for
IGMP and MLD.";
feature intf-static-group { revision 2016-10-28 {
description description
"Support configuration of interface static-group."; "Initial revision.";
} reference
"RFC XXXX: A YANG Data Model for IGMP and MLD";
}
feature intf-verify-source-subnet { /*
description * Features
"Support configuration of interface verify-source-subnet."; */
} feature global-admin-enable {
description
"Support global configuration to enable or disable protocol.";
}
feature global-interface-config {
description
"Support global configuration applied for all interfaces.";
}
feature per-interface-config { feature global-max-entries {
description description
"Support per interface configuration."; "Support configuration of global max-entries.";
} }
feature rpc-clear-groups { feature global-max-groups {
description description
"Support rpc's to clear groups."; "Support configuration of global max-groups.";
} }
/* feature intf-admin-enable {
* Typedefs description
*/ "Support configuration of interface administrative enabling.";
typedef ssm-map-ipv4-addr-type { }
type union {
type enumeration {
enum 'policy' {
description
"Source address is specified in SSM map policy.";
}
}
type inet:ipv4-address;
}
description
"Multicast source IP address type for SSM map.";
} // source-ipv4-addr-type
typedef ssm-map-ipv6-addr-type { feature intf-immediate-leave {
type union { description
type enumeration { "Support configuration of interface immediate-leave.";
enum 'policy' { }
description
"Source address is specified in SSM map policy.";
}
}
type inet:ipv6-address;
}
description
"Multicast source IP address type for SSM map.";
} // source-ipv6-addr-type
typedef source-ipv4-addr-type { feature intf-join-group {
type union { description
type enumeration { "Support configuration of interface join-group.";
enum '*' { }
description
"Any source address.";
}
}
type inet:ipv4-address;
}
description
"Multicast source IP address type.";
} // source-ipv4-addr-type
typedef source-ipv6-addr-type { feature intf-max-groups {
type union { description
type enumeration { "Support configuration of interface max-groups.";
enum '*' { }
description
"Any source address.";
}
}
type inet:ipv6-address;
}
description
"Multicast source IP address type.";
} // source-ipv6-addr-type
/* feature intf-max-group-sources {
* Identities description
*/ "Support configuration of interface max-group-sources.";
}
/* feature intf-require-router-alert {
* Groupings description
*/ "Support configuration of interface require-router-alert.";
grouping global-config-attributes { }
description "Global IGMP and MLD configuration.";
leaf enable { feature intf-source-policy {
if-feature global-admin-enable; description
type boolean; "Support configuration of interface source policy.";
description }
"true to enable IGMP in the routing instance; feature intf-ssm-map {
false to disable IGMP in the routing instance."; description
} "Support configuration of interface ssm-map.";
}
leaf max-entries { feature intf-static-group {
if-feature global-max-entries; description
type uint32; "Support configuration of interface static-group.";
description }
"The maximum number of entries in IGMP.";
}
leaf max-groups {
if-feature global-max-groups;
type uint32;
description
"The maximum number of groups that IGMP can join.";
}
} // global-config-attributes
grouping global-state-attributes {
description "Global IGMP and MLD state attributes.";
leaf entries-count { feature intf-verify-source-subnet {
type uint32; description
description "Support configuration of interface verify-source-subnet.";
"The number of entries in IGMP."; }
}
leaf groups-count {
type uint32;
description
"The number of groups that IGMP can join.";
}
container statistics { feature per-interface-config {
description "Global statistics."; description
"Support per interface configuration.";
}
leaf discontinuity-time { feature rpc-clear-groups {
type yang:date-and-time; description
description "Support rpc's to clear groups.";
"The time on the most recent occasion at which any one }
or more of the statistic counters suffered a
discontinuity. If no such discontinuities have occurred
since the last re-initialization of the local
management subsystem, then this node contains the time
the local management subsystem re-initialized itself.";
}
container error { /*
description "Statistics of errors."; * Typedefs
uses global-statistics-error; */
} typedef ssm-map-ipv4-addr-type {
type union {
type enumeration {
enum 'policy' {
description
"Source address is specified in SSM map policy.";
}
}
type inet:ipv4-address;
}
description
"Multicast source IP address type for SSM map.";
} // source-ipv4-addr-type
container received { typedef ssm-map-ipv6-addr-type {
description "Statistics of received messages."; type union {
uses global-statistics-sent-received; type enumeration {
} enum 'policy' {
container sent { description
description "Statistics of sent messages."; "Source address is specified in SSM map policy.";
uses global-statistics-sent-received;
}
} // statistics
} // global-state-attributes
grouping global-statistics-error { }
description }
"A grouping defining statistics attributes for errors."; type inet:ipv6-address;
uses global-statistics-sent-received; }
leaf checksum { description
type yang:counter64; "Multicast source IP address type for SSM map.";
description } // source-ipv6-addr-type
"The number of checksum errors.";
}
leaf too-short {
type yang:counter64;
description
"The number of messages that are too short.";
}
} // global-statistics-error
grouping global-statistics-sent-received { typedef source-ipv4-addr-type {
description type union {
"A grouping defining statistics attributes."; type enumeration {
leaf total { enum '*' {
type yang:counter64; description
description "Any source address.";
"The number of total messages."; }
} }
leaf query { type inet:ipv4-address;
type yang:counter64; }
description description
"The number of query messages."; "Multicast source IP address type.";
} } // source-ipv4-addr-type
leaf report {
type yang:counter64;
description
"The number of report messages.";
}
leaf leave {
type yang:counter64;
description
"The number of leave messages.";
}
} // global-statistics-sent-received
grouping interfaces-config-attributes { typedef source-ipv6-addr-type {
description type union {
"Configuration attributes applied to interfaces whose type enumeration {
per interface attributes are not existing."; enum '*' {
description
"Any source address.";
}
}
type inet:ipv6-address;
}
description
"Multicast source IP address type.";
} // source-ipv6-addr-type
leaf last-member-query-interval { /*
type uint16 { * Identities
range "1..65535"; */
}
description
"Last Member Query Interval, which may be tuned to modify the
leave latency of the network.";
reference "RFC3376. Sec. 8.8.";
}
leaf max-groups-per-interface {
if-feature intf-max-groups;
type uint32;
description
"The maximum number of groups that IGMP can join.";
}
leaf query-interval {
type uint16;
units seconds;
default 125;
description
"The Query Interval is the interval between General Queries
sent by the Querier.";
reference "RFC3376. Sec. 4.1.7, 8.2, 8.14.2.";
}
leaf query-max-response-time {
type uint16;
units seconds;
description
"Query maximum response time specifies the maximum time
allowed before sending a responding report.";
reference "RFC3376. Sec. 4.1.1, 8.3, 8.14.3.";
}
leaf require-router-alert {
if-feature intf-require-router-alert;
type boolean;
description
"";
}
leaf robustness-variable {
type uint8 {
range "2..7";
}
default 2;
description
"Querier's Robustness Variable allows tuning for the expected
packet loss on a network.";
reference "RFC3376. Sec. 4.1.6, 8.1, 8.14.1.";
}
leaf version {
type uint8 {
range "1..3";
}
description "IGMP version.";
reference "RFC1112, RFC2236, RFC3376.";
}
} // interfaces-config-attributes
grouping interface-config-attributes-igmp { /*
description "Per interface igmp configuration for IGMP."; * Groupings
*/
grouping global-config-attributes {
description "Global IGMP and MLD configuration.";
uses interface-config-attributes-igmp-mld; leaf enable {
if-feature global-admin-enable;
type boolean;
description
"true to enable IGMP in the routing instance;
false to disable IGMP in the routing instance.";
}
leaf-list join-group { leaf max-entries {
if-feature intf-join-group; if-feature global-max-entries;
type inet:ipv4-address; type uint32;
description description
"The router joins this multicast group on the interface."; "The maximum number of entries in IGMP.";
} }
leaf max-groups {
if-feature global-max-groups;
type uint32;
description
"The maximum number of groups that IGMP can join.";
}
} // global-config-attributes
list ssm-map { grouping global-state-attributes {
if-feature intf-ssm-map; description "Global IGMP and MLD state attributes.";
key "source-addr group-policy";
description "";
leaf source-addr {
type ssm-map-ipv4-addr-type;
description
"Multicast source IP address.";
} leaf entries-count {
leaf group-policy { type uint32;
type string; description
description "The number of entries in IGMP.";
"Name of the access policy used to filter IGMP }
membership."; leaf groups-count {
} type uint32;
} description
"The number of groups that IGMP can join.";
}
list static-group { container statistics {
if-feature intf-static-group; description "Global statistics.";
key "group source-addr";
description
"A static multicast route, (*,G) or (S,G).";
leaf group { leaf discontinuity-time {
type inet:ipv4-address; type yang:date-and-time;
description description
"Multicast group IP address."; "The time on the most recent occasion at which any one
} or more of the statistic counters suffered a
leaf source-addr { discontinuity. If no such discontinuities have occurred
type source-ipv4-addr-type; since the last re-initialization of the local
description management subsystem, then this node contains the time
"Multicast source IP address."; the local management subsystem re-initialized itself.";
} }
}
} // interface-config-attributes-igmp
grouping interface-config-attributes-igmp-mld { container error {
description description "Statistics of errors.";
"Per interface configuration for both IGMP and MLD."; uses global-statistics-error;
}
leaf enable { container received {
if-feature intf-admin-enable; description "Statistics of received messages.";
type boolean; uses global-statistics-sent-received;
description }
"true to enable IGMP on the interface; container sent {
false to disable IGMP on the interface."; description "Statistics of sent messages.";
} uses global-statistics-sent-received;
leaf group-policy { }
type string; } // statistics
description } // global-state-attributes
"Name of the access policy used to filter IGMP membership.";
}
leaf immediate-leave {
if-feature intf-immediate-leave;
type empty;
description
"If present, IGMP perform an immediate leave upon receiving an
IGMP Version 2 (IGMPv2) leave message.
If the router is IGMP-enabled, it sends an IGMP last member
query with a last member query response time. However, the
router does not wait for the response time before it prunes
off the group.";
}
leaf last-member-query-interval {
type uint16 {
range "1..65535";
}
description
"Last Member Query Interval, which may be tuned to modify the
leave latency of the network.";
reference "RFC3376. Sec. 8.8.";
}
leaf max-groups {
if-feature intf-max-groups;
type uint32;
description
"The maximum number of groups that IGMP can join.";
}
leaf max-group-sources {
if-feature intf-max-group-sources;
type uint32;
description
"The maximum number of group sources.";
}
leaf query-interval {
type uint16;
units seconds;
default 125;
description
"The Query Interval is the interval between General Queries
sent by the Querier.";
reference "RFC3376. Sec. 4.1.7, 8.2, 8.14.2.";
}
leaf query-max-response-time {
type uint16;
units seconds;
description
"Query maximum response time specifies the maximum time
allowed before sending a responding report.";
reference "RFC3376. Sec. 4.1.1, 8.3, 8.14.3.";
}
leaf require-router-alert {
if-feature intf-require-router-alert;
type boolean;
description
"";
}
leaf robustness-variable {
type uint8 {
range "2..7";
}
default 2;
description
"Querier's Robustness Variable allows tuning for the expected
packet loss on a network.";
reference "RFC3376. Sec. 4.1.6, 8.1, 8.14.1.";
}
leaf source-policy {
if-feature intf-source-policy;
type string;
description
"Name of the access policy used to filter sources.";
}
leaf verify-source-subnet {
if-feature intf-verify-source-subnet;
type empty;
description
"If present, the interface accepts packets with matching
source IP subnet only.";
}
leaf version {
type uint8 {
range "1..3";
}
description "IGMP version.";
reference "RFC1112, RFC2236, RFC3376.";
}
} // interface-config-attributes-igmp-mld
grouping interface-config-attributes-mld { grouping global-statistics-error {
description "Per interface configuration for mld."; description
"A grouping defining statistics attributes for errors.";
uses global-statistics-sent-received;
leaf checksum {
type yang:counter64;
description
"The number of checksum errors.";
}
leaf too-short {
type yang:counter64;
description
"The number of messages that are too short.";
}
} // global-statistics-error
uses interface-config-attributes-igmp-mld; grouping global-statistics-sent-received {
description
"A grouping defining statistics attributes.";
leaf total {
type yang:counter64;
description
"The number of total messages.";
}
leaf query {
type yang:counter64;
description
"The number of query messages.";
}
leaf report {
type yang:counter64;
description
"The number of report messages.";
}
leaf leave {
type yang:counter64;
description
"The number of leave messages.";
}
} // global-statistics-sent-received
leaf-list join-group { grouping interfaces-config-attributes {
if-feature intf-join-group; description
type inet:ipv6-address; "Configuration attributes applied to interfaces whose
description per interface attributes are not existing.";
"The router joins this multicast group on the interface.";
}
list ssm-map { leaf last-member-query-interval {
if-feature intf-ssm-map; type uint16 {
key "source-addr group-policy"; range "1..65535";
description ""; }
leaf source-addr { description
type ssm-map-ipv6-addr-type; "Last Member Query Interval, which may be tuned to modify the
description leave latency of the network.";
"Multicast source IP address."; reference "RFC3376. Sec. 8.8.";
} }
leaf group-policy { leaf max-groups-per-interface {
type string; if-feature intf-max-groups;
description type uint32;
"Name of the access policy used to filter IGMP description
membership."; "The maximum number of groups that IGMP can join.";
} }
} leaf query-interval {
type uint16;
units seconds;
default 125;
description
"The Query Interval is the interval between General Queries
sent by the Querier.";
reference "RFC3376. Sec. 4.1.7, 8.2, 8.14.2.";
}
leaf query-max-response-time {
type uint16;
units seconds;
description
"Query maximum response time specifies the maximum time
allowed before sending a responding report.";
reference "RFC3376. Sec. 4.1.1, 8.3, 8.14.3.";
}
leaf require-router-alert {
if-feature intf-require-router-alert;
type boolean;
description
"";
}
leaf robustness-variable {
type uint8 {
range "2..7";
}
default 2;
description
"Querier's Robustness Variable allows tuning for the expected
packet loss on a network.";
reference "RFC3376. Sec. 4.1.6, 8.1, 8.14.1.";
}
leaf version {
type uint8 {
range "1..3";
}
description "IGMP version.";
reference "RFC1112, RFC2236, RFC3376.";
}
} // interfaces-config-attributes
list static-group { grouping interface-config-attributes-igmp {
if-feature intf-static-group; description "Per interface igmp configuration for IGMP.";
key "group source-addr";
description
"A static multicast route, (*,G) or (S,G).";
leaf group { uses interface-config-attributes-igmp-mld;
type inet:ipv6-address;
description
"Multicast group IP address.";
}
leaf source-addr {
type source-ipv6-addr-type;
description
"Multicast source IP address.";
}
}
} // interface-config-attributes-mld
grouping interface-state-attributes-igmp { leaf-list join-group {
description if-feature intf-join-group;
"Per interface state attributes for IGMP."; type inet:ipv4-address;
description
"The router joins this multicast group on the interface.";
}
uses interface-state-attributes-igmp-mld; list ssm-map {
if-feature intf-ssm-map;
key "source-addr group-policy";
description "";
leaf source-addr {
type ssm-map-ipv4-addr-type;
description
"Multicast source IP address.";
}
leaf group-policy {
type string;
description
"Name of the access policy used to filter IGMP
membership.";
}
}
leaf dr { list static-group {
type inet:ipv4-address; if-feature intf-static-group;
description ""; key "group source-addr";
} description
leaf querier { "A static multicast route, (*,G) or (S,G).";
type inet:ipv4-address;
description "";
}
leaf-list joined-group {
if-feature intf-join-group;
type inet:ipv4-address;
description
"The routers that joined this multicast group.";
}
list group { leaf group {
key "address"; type inet:ipv4-address;
description ""; description
"Multicast group IP address.";
}
leaf source-addr {
type source-ipv4-addr-type;
description
"Multicast source IP address.";
}
}
} // interface-config-attributes-igmp
leaf address { grouping interface-config-attributes-igmp-mld {
type inet:ipv4-address; description
description "Per interface configuration for both IGMP and MLD.";
"";
}
uses interface-state-group-attributes-igmp-mld;
leaf-list host {
type inet:ipv4-address;
description
"";
}
leaf last-reporter {
type inet:ipv4-address;
description "";
}
list source {
key "address";
description "";
leaf address { leaf enable {
type inet:ipv4-address; if-feature intf-admin-enable;
description ""; type boolean;
} description
uses interface-state-source-attributes-igmp-mld; "true to enable IGMP on the interface;
leaf last-reporter { false to disable IGMP on the interface.";
type inet:ipv4-address; }
description ""; leaf group-policy {
} type string;
} // list source description
} // list group "Name of the access policy used to filter IGMP membership.";
} // interface-state-attributes-igmp }
leaf immediate-leave {
if-feature intf-immediate-leave;
type empty;
description
"If present, IGMP perform an immediate leave upon receiving an
IGMP Version 2 (IGMPv2) leave message.
If the router is IGMP-enabled, it sends an IGMP last member
query with a last member query response time. However, the
router does not wait for the response time before it prunes
off the group.";
}
leaf last-member-query-interval {
type uint16 {
range "1..65535";
}
description
"Last Member Query Interval, which may be tuned to modify the
leave latency of the network.";
reference "RFC3376. Sec. 8.8.";
}
leaf max-groups {
if-feature intf-max-groups;
type uint32;
description
"The maximum number of groups that IGMP can join.";
}
leaf max-group-sources {
if-feature intf-max-group-sources;
type uint32;
description
"The maximum number of group sources.";
}
leaf query-interval {
type uint16;
units seconds;
default 125;
description
"The Query Interval is the interval between General Queries
sent by the Querier.";
reference "RFC3376. Sec. 4.1.7, 8.2, 8.14.2.";
}
leaf query-max-response-time {
type uint16;
units seconds;
description
"Query maximum response time specifies the maximum time
allowed before sending a responding report.";
reference "RFC3376. Sec. 4.1.1, 8.3, 8.14.3.";
}
leaf require-router-alert {
if-feature intf-require-router-alert;
type boolean;
description
"";
}
leaf robustness-variable {
type uint8 {
range "2..7";
}
default 2;
description
"Querier's Robustness Variable allows tuning for the expected
packet loss on a network.";
reference "RFC3376. Sec. 4.1.6, 8.1, 8.14.1.";
grouping interface-state-attributes-igmp-mld { }
description leaf source-policy {
"Per interface state attributes for both IGMP and MLD."; if-feature intf-source-policy;
type string;
description
"Name of the access policy used to filter sources.";
}
leaf verify-source-subnet {
if-feature intf-verify-source-subnet;
type empty;
description
"If present, the interface accepts packets with matching
source IP subnet only.";
}
leaf version {
type uint8 {
range "1..3";
}
description "IGMP version.";
reference "RFC1112, RFC2236, RFC3376.";
}
} // interface-config-attributes-igmp-mld
leaf oper-status { grouping interface-config-attributes-mld {
type enumeration { description "Per interface igmp configuration for mld.";
enum up {
description
"Ready to pass packets.";
}
enum down {
description
"The interface does not pass any packets.";
}
}
description "";
}
} // interface-config-attributes-igmp-mld
grouping interface-state-attributes-mld { uses interface-config-attributes-igmp-mld;
description
"Per interface state attributes for MLD.";
uses interface-state-attributes-igmp-mld; leaf-list join-group {
if-feature intf-join-group;
type inet:ipv6-address;
description
"The router joins this multicast group on the interface.";
}
leaf querier { list ssm-map {
type inet:ipv6-address; if-feature intf-ssm-map;
description ""; key "source-addr group-policy";
} description "";
leaf-list joined-group { leaf source-addr {
if-feature intf-join-group; type ssm-map-ipv6-addr-type;
type inet:ipv6-address; description
description "Multicast source IP address.";
"The routers that joined this multicast group."; }
} leaf group-policy {
type string;
description
"Name of the access policy used to filter IGMP
membership.";
list group { }
key "address"; }
description "";
leaf address { list static-group {
type inet:ipv6-address; if-feature intf-static-group;
description key "group source-addr";
""; description
"A static multicast route, (*,G) or (S,G).";
} leaf group {
uses interface-state-group-attributes-igmp-mld; type inet:ipv6-address;
leaf-list host { description
type inet:ipv6-address; "Multicast group IP address.";
description }
""; leaf source-addr {
} type source-ipv6-addr-type;
leaf last-reporter { description
type inet:ipv6-address; "Multicast source IP address.";
description ""; }
} }
list source { } // interface-config-attributes-mld
key "address";
description "";
leaf address { grouping interface-state-attributes-igmp {
type inet:ipv6-address; description
description ""; "Per interface state attributes for IGMP.";
}
uses interface-state-source-attributes-igmp-mld;
leaf last-reporter {
type inet:ipv6-address;
description "";
}
} // list source
} // list group
} // interface-state-attributes-mld
grouping interface-state-group-attributes-igmp-mld { uses interface-state-attributes-igmp-mld;
description
"Per interface state attributes for both IGMP and MLD
groups.";
leaf expire { leaf dr {
type uint32; type inet:ipv4-address;
units seconds; description "";
description ""; }
} leaf querier {
leaf filter-mode { type inet:ipv4-address;
type enumeration { description "";
enum "include" { }
description leaf-list joined-group {
""; if-feature intf-join-group;
} type inet:ipv4-address;
enum "exclude" { description
description "The routers that joined this multicast group.";
""; }
}
}
description "";
}
leaf host-count {
type uint32;
description "";
}
leaf up-time {
type uint32;
units seconds;
description "";
}
} // interface-state-group-attributes-igmp-mld
grouping interface-state-source-attributes-igmp-mld { list group {
description key "address";
"Per interface state attributes for both IGMP and MLD description "";
groups.";
leaf expire { leaf address {
type uint32; type inet:ipv4-address;
units seconds; description
description ""; "";
} }
leaf up-time { uses interface-state-group-attributes-igmp-mld;
type uint32; leaf-list host {
units seconds; type inet:ipv4-address;
description ""; description
} "";
} // interface-state-source-attributes-igmp-mld }
leaf last-reporter {
type inet:ipv4-address;
description "";
}
list source {
key "address";
description "";
/* leaf address {
* Configuration data nodes type inet:ipv4-address;
*/ description "";
augment "/rt:routing/rt:routing-instance/" }
+ "rt:routing-protocols" { uses interface-state-source-attributes-igmp-mld;
description leaf last-reporter {
"IGMP and MLD augmentation to routing instance configuration."; type inet:ipv4-address;
description "";
}
} // list source
} // list group
} // interface-state-attributes-igmp
container igmp { grouping interface-state-attributes-igmp-mld {
description description
"IGMP configuration data."; "Per interface state attributes for both IGMP and MLD.";
container global { leaf oper-status {
description type enumeration {
"Global attributes."; enum up {
uses global-config-attributes; description
} "Ready to pass packets.";
}
enum down {
description
"The interface does not pass any packets.";
}
}
description "";
}
} // interface-config-attributes-igmp-mld
grouping interface-state-attributes-mld {
description
"Per interface state attributes for MLD.";
container interfaces { uses interface-state-attributes-igmp-mld;
description
"Containing a list of interfaces.";
uses interfaces-config-attributes { leaf querier {
if-feature global-interface-config; type inet:ipv6-address;
} description "";
}
leaf-list joined-group {
if-feature intf-join-group;
type inet:ipv6-address;
description
"The routers that joined this multicast group.";
}
list interface { list group {
key "interface"; key "address";
description description "";
"List of IGMP interfaces.";
leaf interface {
type if:interface-ref;
must "/if:interfaces/if:interface[if:name = current()]/"
+ "ip:ipv4" {
description
"The interface must have IPv4 enabled.";
}
description
"Reference to an entry in the global interface
list.";
}
uses interface-config-attributes-igmp {
if-feature per-interface-config;
}
} // interface
} // interfaces
} // igmp
container mld { leaf address {
description type inet:ipv6-address;
"MLD configuration data."; description
"";
}
uses interface-state-group-attributes-igmp-mld;
leaf-list host {
type inet:ipv6-address;
description
"";
}
leaf last-reporter {
type inet:ipv6-address;
description "";
}
list source {
key "address";
description "";
container global { leaf address {
description type inet:ipv6-address;
"Global attributes."; description "";
uses global-config-attributes; }
} uses interface-state-source-attributes-igmp-mld;
leaf last-reporter {
type inet:ipv6-address;
description "";
}
container interfaces { } // list source
description } // list group
"Containing a list of interfaces."; } // interface-state-attributes-mld
uses interfaces-config-attributes { grouping interface-state-group-attributes-igmp-mld {
if-feature global-interface-config; description
} "Per interface state attributes for both IGMP and MLD
groups.";
list interface { leaf expire {
key "interface"; type uint32;
description units seconds;
"List of MLD interfaces."; description "";
leaf interface { }
type if:interface-ref; leaf filter-mode {
must "/if:interfaces/if:interface[if:name = current()]/" type enumeration {
+ "ip:ipv6" { enum "include" {
description description
"The interface must have IPv4 enabled."; "";
} }
description enum "exclude" {
"Reference to an entry in the global interface description
list."; "";
} }
uses interface-config-attributes-mld { }
if-feature per-interface-config; description "";
} }
} // interface leaf host-count {
} // interfaces type uint32;
} // mld description "";
} // augment }
/* leaf up-time {
* Operational state data nodes type uint32;
*/ units seconds;
augment "/rt:routing-state/rt:routing-instance/" description "";
+ "rt:routing-protocols" { }
description } // interface-state-group-attributes-igmp-mld
"IGMP and MLD augmentation to routing instance state.";
container igmp { grouping interface-state-source-attributes-igmp-mld {
description description
"IGMP configuration data."; "Per interface state attributes for both IGMP and MLD
groups.";
container global { leaf expire {
description type uint32;
"Global attributes."; units seconds;
uses global-config-attributes; description "";
uses global-state-attributes; }
} leaf up-time {
type uint32;
units seconds;
description "";
}
} // interface-state-source-attributes-igmp-mld
container interfaces { /*
description * Configuration data nodes
"Containing a list of interfaces."; */
augment "/rt:routing/rt:control-plane-protocols"
{
description
"IGMP and MLD augmentation to routing instance configuration.";
uses interfaces-config-attributes { container igmp {
if-feature global-interface-config; description
} "IGMP configuration data.";
list interface { container global {
key "interface"; description
description "Global attributes.";
"List of IGMP interfaces."; uses global-config-attributes;
leaf interface { }
type if:interface-ref;
must "/if:interfaces/if:interface[if:name = current()]/"
+ "ip:ipv4" {
description
"The interface must have IPv4 enabled.";
}
description
"Reference to an entry in the global interface
list.";
}
uses interface-config-attributes-igmp {
if-feature per-interface-config;
}
uses interface-state-attributes-igmp;
} // interface
} // interfaces
} // igmp
container mld { container interfaces {
description description
"MLD configuration data."; "Containing a list of interfaces.";
container global { uses interfaces-config-attributes {
description if-feature global-interface-config;
"Global attributes."; }
uses global-config-attributes;
uses global-state-attributes;
}
container interfaces { list interface {
description key "interface";
"Containing a list of interfaces."; description
"List of IGMP interfaces.";
leaf interface {
type if:interface-ref;
must "/if:interfaces/if:interface[if:name = current()]/"
+ "ip:ipv4" {
description
"The interface must have IPv4 enabled.";
}
description
"Reference to an entry in the global interface
list.";
}
uses interface-config-attributes-igmp {
if-feature per-interface-config;
uses interfaces-config-attributes { }
if-feature global-interface-config; } // interface
} } // interfaces
} // igmp
list interface { container mld {
key "interface"; description
description "MLD configuration data.";
"List of MLD interfaces.";
leaf interface {
type if:interface-ref;
must "/if:interfaces/if:interface[if:name = current()]/"
+ "ip:ipv6" {
description
"The interface must have IPv4 enabled.";
}
description
"Reference to an entry in the global interface
list.";
}
uses interface-config-attributes-mld {
if-feature per-interface-config;
}
uses interface-state-attributes-mld;
} // interface
} // interfaces
} // mld
} // augment
/* container global {
* RPCs description
*/ "Global attributes.";
rpc clear-igmp-groups { uses global-config-attributes;
if-feature rpc-clear-groups; }
description
"Clears the specified IGMP cache tables.";
input { container interfaces {
leaf routing-instance { description
type rt:routing-instance-ref; "Containing a list of interfaces.";
description
"Routing instance name identifying a specific routing
instance.
This leaf is optional for the rpc.
If it is specified, the rpc will clear groups in the
specified routing instance;
if it is not specified, the rpc will clear all groups in
all routing instances.";
} uses interfaces-config-attributes {
leaf interface { if-feature global-interface-config;
type leafref { }
path "/rt:routing/rt:routing-instance"
+ "[rt:name=current()/../routing-instance]/"
+ "rt:routing-protocols/igmp/interfaces/interface/"
+ "interface";
}
description
"Name of the IGMP interface.
If it is not specified, groups from all interfaces are
cleared.";
}
leaf group {
type inet:ipv4-address;
description
"Multicast group IP address.
If it is not specified, all IGMP group tables are
cleared.";
}
}
} // rpc clear-igmp-groups
rpc clear-mld-groups { list interface {
if-feature rpc-clear-groups; key "interface";
description description
"Clears the specified MLD cache tables."; "List of MLD interfaces.";
leaf interface {
type if:interface-ref;
must "/if:interfaces/if:interface[if:name = current()]/"
+ "ip:ipv6" {
description
"The interface must have IPv4 enabled.";
}
description
"Reference to an entry in the global interface
list.";
}
uses interface-config-attributes-mld {
if-feature per-interface-config;
}
} // interface
} // interfaces
} // mld
} // augment
input { /*
leaf routing-instance { * Operational state data nodes
type rt:routing-instance-ref; */
description
"Routing instance name identifying a specific routing
instance.
This leaf is optional for the rpc.
If it is specified, the rpc will clear groups in the
specified routing instance;
if it is not specified, the rpc will clear all groups in
all routing instances.";
}
leaf interface {
type leafref {
path "/rt:routing/rt:routing-instance"
+ "[rt:name=current()/../routing-instance]/"
+ "rt:routing-protocols/mld/interfaces/interface/"
+ "interface";
}
description
"Name of the MLD interface.
If it is not specified, groups from all interfaces are
cleared.";
}
leaf group {
type inet:ipv4-address;
description
"Multicast group IP address.
If it is not specified, all MLD group tables are augment "/rt:routing-state/rt:control-plane-protocols"
cleared."; {
} description
} "IGMP and MLD augmentation to routing instance state.";
} // rpc clear-mld-groups
/* container igmp {
* Notifications description
*/ "IGMP configuration data.";
}
4. Security Considerations container global {
description
"Global attributes.";
uses global-config-attributes;
uses global-state-attributes;
}
The data model defined does not introduce any security implications. container interfaces {
This draft does not change any underlying security issues inherent description
in [I-D.ietf-netmod-routing-cfg]. "Containing a list of interfaces.";
5. IANA Considerations uses interfaces-config-attributes {
if-feature global-interface-config;
}
TBD list interface {
key "interface";
description
"List of IGMP interfaces.";
leaf interface {
type if:interface-ref;
must "/if:interfaces/if:interface[if:name = current()]/"
+ "ip:ipv4" {
description
"The interface must have IPv4 enabled.";
}
description
"Reference to an entry in the global interface
list.";
}
uses interface-config-attributes-igmp {
if-feature per-interface-config;
}
uses interface-state-attributes-igmp;
} // interface
} // interfaces
} // igmp
6. Acknowledgements container mld {
description
"MLD configuration data.";
The authors would like to thank Steve Baillargeon, Hu Fangwei, container global {
Robert Kebler, Tanmoy Kundu, Liu Yisong, and Stig Venaas for their description
valuable contributions. "Global attributes.";
uses global-config-attributes;
uses global-state-attributes;
}
container interfaces {
description
"Containing a list of interfaces.";
uses interfaces-config-attributes {
if-feature global-interface-config;
}
list interface {
key "interface";
description
"List of MLD interfaces.";
leaf interface {
type if:interface-ref;
must "/if:interfaces/if:interface[if:name = current()]/"
+ "ip:ipv6" {
description
"The interface must have IPv4 enabled.";
}
description
"Reference to an entry in the global interface
list.";
}
uses interface-config-attributes-mld {
if-feature per-interface-config;
}
uses interface-state-attributes-mld;
} // interface
} // interfaces
} // mld
} // augment
/*
* RPCs
*/
rpc clear-igmp-groups {
if-feature rpc-clear-groups;
description
"Clears the specified IGMP cache tables.";
input {
leaf interface {
type leafref {
path "/rt:routing/rt:control-plane-protocols/"
+ "igmp/interfaces/interface/"
+ "interface";
}
description
"Name of the IGMP interface.
If it is not specified, groups from all interfaces are
cleared.";
}
leaf group {
type inet:ipv4-address;
description
"Multicast group IPv4 address.
If it is not specified, all IGMP group tables are
cleared.";
}
leaf source {
type inet:ipv4-address;
description
"Multicast source IPv4 address.
If it is not specified, all IGMP source-group tables are
cleared.";
}
}
} // rpc clear-igmp-groups
rpc clear-mld-groups {
if-feature rpc-clear-groups;
description
"Clears the specified MLD cache tables.";
input {
leaf interface {
type leafref {
path "/rt:routing/rt:control-plane-protocols/"
+ "mld/interfaces/interface/"
+ "interface";
}
description
"Name of the MLD interface.
If it is not specified, groups from all interfaces are
cleared.";
}
leaf group {
type inet:ipv6-address;
description
"Multicast group IPv6 address.
If it is not specified, all MLD group tables are
cleared.";
}
leaf source {
type inet:ipv6-address;
description
"Multicast source IPv6 address.
If it is not specified, all MLD source-group tables are
cleared.";
}
}
} // rpc clear-mld-groups
/*
* Notifications
*/
}
<CODE ENDS>
5. Security Considerations
The data model defined does not introduce any security implications.
This draft does not change any underlying security issues inherent
in [I-D.ietf-netmod-routing-cfg].
6. IANA Considerations
TBD
7. References 7. References
7.1. Normative References 7.1. Normative References
[RFC2119] Bradner, S., "Key words for use in RFCs to Indicate
Requirement Levels", BCP 14, RFC 2119,
DOI 10.17487/RFC2119, March 1997,
<http://www.rfc-editor.org/info/rfc2119>.
[RFC6020] Bjorklund, M., Ed., "YANG - A Data Modeling Language for [RFC2119] Bradner, S., "Key words for use in RFCs to Indicate
the Network Configuration Protocol (NETCONF)", RFC 6020, Requirement Levels", BCP 14, RFC 2119, March 1997.
DOI 10.17487/RFC6020, October 2010,
<http://www.rfc-editor.org/info/rfc6020>.
[RFC6241] Enns, R., Ed., Bjorklund, M., Ed., Schoenwaelder, J., Ed., [RFC6020] Bjorklund, M., Ed., "YANG - A Data Modeling Language for
and A. Bierman, Ed., "Network Configuration Protocol the Network Configuration Protocol (NETCONF)", RFC 6020,
(NETCONF)", RFC 6241, DOI 10.17487/RFC6241, June 2011, October 2010
<http://www.rfc-editor.org/info/rfc6241>.
[I-D.ietf-netmod-rfc6087bis] [RFC6241] Enns, R., Ed., Bjorklund, M., Ed., Schoenwaelder, J., Ed.,
Bierman, A., "Guidelines for Authors and Reviewers of YANG and A. Bierman, Ed., "Network Configuration Protocol
Data Model Documents", draft-ietf-netmod-rfc6087bis-05 (NETCONF)", RFC 6241, June 2011
(work in progress), October 2015.
[I-D.ietf-netmod-rfc6087bis] Bierman, A., "Guidelines for Authors
and Reviewers of YANG Data Model Documents", draft-ietf-
netmod-rfc6087bis-05 (work in progress), October 2015.
7.2. Informative References 7.2. Informative References
[RFC1112] Deering, S., "Host extensions for IP multicasting", STD 5,
RFC 1112, August 1989.
[RFC2236] Fenner, W., "Internet Group Management Protocol, Version
2", RFC 2236, November 1997.
[RFC2710] Deering, S., Fenner, W., and B. Haberman, "Multicast
Listener Discovery (MLD) for IPv6", RFC 2710, October
1999.
[RFC3376] Cain, B., Deering, S., Kouvelas, I., Fenner, B., and A. [RFC1112] Deering, S., "Host extensions for IP multicasting", STD 5,
Thyagarajan, "Internet Group Management Protocol, Version RFC 1112, August 1989.
3", RFC 3376, October 2002.
[RFC3810] Vida, R. and L. Costa, "Multicast Listener Discovery [RFC2236] Fenner, W., "Internet Group Management Protocol, Version
Version 2 (MLDv2) for IPv6", RFC 3810, June 2004. 2", RFC 2236, November 1997.
[RFC4604] Holbrook, H., Cain, B., and B. Haberman, "Using Internet [RFC2710] Deering, S., Fenner, W., and B. Haberman, "Multicast
Group Management Protocol Version 3 (IGMPv3) and Multicast Listener Discovery (MLD) for IPv6", RFC 2710, October
Listener Discovery Protocol Version 2 (MLDv2) for Source- 1999.
Specific Multicast", RFC 4604, August 2006.
[RFC4607] Holbrook, H. and B. Cain, "Source-Specific Multicast for [RFC3376] Cain, B., Deering, S., Kouvelas, I., Fenner, B., and A.
IP", RFC 4607, August 2006. Thyagarajan, "Internet Group Management Protocol, Version
Authors' Addresses 3", RFC 3376, October 2002.
[RFC3810] Vida, R. and L. Costa, "Multicast Listener Discovery
Version 2 (MLDv2) for IPv6", RFC 3810, June 2004.
[RFC4604] Holbrook, H., Cain, B., and B. Haberman, "Using Internet
Group Management Protocol Version 3 (IGMPv3) and Multicast
Listener Discovery Protocol Version 2 (MLDv2) for Source-
Specific Multicast", RFC 4604, August 2006.
[RFC4607] Holbrook, H. and B. Cain, "Source-Specific Multicast for
IP", RFC 4607, August 2006.
8. Acknowledgments
The authors would like to thank Steve Baillargeon, Hu Fangwei,
Robert Kebler, Tanmoy Kundu, Liu Yisong, and Stig Venaas for their
valuable contributions.
Authors' Addresses
Xufeng Liu Xufeng Liu
Ericsson Ericsson
1595 Spring Hill Road, Suite 500 1595 Spring Hill Road, Suite 500
Vienna VA 22182 Vienna VA 22182
USA USA
EMail: xufeng.liu@ericsson.com EMail: xufeng.liu@ericsson.com
Feng Guo Feng Guo
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