draft-ietf-netmod-ip-cfg-12.txt   draft-ietf-netmod-ip-cfg-13.txt 
Network Working Group M. Bjorklund Network Working Group M. Bjorklund
Internet-Draft Tail-f Systems Internet-Draft Tail-f Systems
Intended status: Standards Track January 8, 2014 Intended status: Standards Track February 13, 2014
Expires: July 12, 2014 Expires: August 17, 2014
A YANG Data Model for IP Management A YANG Data Model for IP Management
draft-ietf-netmod-ip-cfg-12 draft-ietf-netmod-ip-cfg-13
Abstract Abstract
This document defines a YANG data model for management of IP This document defines a YANG data model for management of IP
implementations. The data model includes configuration data and implementations. The data model includes configuration data and
state data. state data.
Status of this Memo Status of this Memo
This Internet-Draft is submitted in full conformance with the This Internet-Draft is submitted in full conformance with the
skipping to change at page 1, line 32 skipping to change at page 1, line 32
Internet-Drafts are working documents of the Internet Engineering Internet-Drafts are working documents of the Internet Engineering
Task Force (IETF). Note that other groups may also distribute Task Force (IETF). Note that other groups may also distribute
working documents as Internet-Drafts. The list of current Internet- working documents as Internet-Drafts. The list of current Internet-
Drafts is at http://datatracker.ietf.org/drafts/current/. Drafts is at http://datatracker.ietf.org/drafts/current/.
Internet-Drafts are draft documents valid for a maximum of six months Internet-Drafts are draft documents valid for a maximum of six months
and may be updated, replaced, or obsoleted by other documents at any and may be updated, replaced, or obsoleted by other documents at any
time. It is inappropriate to use Internet-Drafts as reference time. It is inappropriate to use Internet-Drafts as reference
material or to cite them other than as "work in progress." material or to cite them other than as "work in progress."
This Internet-Draft will expire on July 12, 2014. This Internet-Draft will expire on August 17, 2014.
Copyright Notice Copyright Notice
Copyright (c) 2014 IETF Trust and the persons identified as the Copyright (c) 2014 IETF Trust and the persons identified as the
document authors. All rights reserved. document authors. All rights reserved.
This document is subject to BCP 78 and the IETF Trust's Legal This document is subject to BCP 78 and the IETF Trust's Legal
Provisions Relating to IETF Documents Provisions Relating to IETF Documents
(http://trustee.ietf.org/license-info) in effect on the date of (http://trustee.ietf.org/license-info) in effect on the date of
publication of this document. Please review these documents publication of this document. Please review these documents
skipping to change at page 8, line 15 skipping to change at page 8, line 15
+-----------------------------------+-------------------------------+ +-----------------------------------+-------------------------------+
| YANG data node in | IP-MIB object | | YANG data node in | IP-MIB object |
| /if:interfaces-state/if:interface | | | /if:interfaces-state/if:interface | |
+-----------------------------------+-------------------------------+ +-----------------------------------+-------------------------------+
| ipv4 | ipv4InterfaceEnableStatus | | ipv4 | ipv4InterfaceEnableStatus |
| ipv4/address | ipAddressEntry | | ipv4/address | ipAddressEntry |
| ipv4/address/ip | ipAddressAddrType | | ipv4/address/ip | ipAddressAddrType |
| | ipAddressAddr | | | ipAddressAddr |
| ipv4/address/origin | ipAddressOrigin | | ipv4/address/origin | ipAddressOrigin |
| ipv4/neighbor | ipNetToPhysicalEntry | | ipv4/neighbor | ipNetToPhysicalEntry |
| ipv4/neighbor/interface | ipNetToPhysicalIfIndex |
| ipv4/neighbor/ip | ipNetToPhysicalNetAddressType | | ipv4/neighbor/ip | ipNetToPhysicalNetAddressType |
| | ipNetToPhysicalNetAddressAddr | | | ipNetToPhysicalNetAddressAddr |
| ipv4/neighbor/link-layer-address | ipNetToPhysicalPhysAddress | | ipv4/neighbor/link-layer-address | ipNetToPhysicalPhysAddress |
| ipv4/neighbor/origin | ipNetToPhysicalType | | ipv4/neighbor/origin | ipNetToPhysicalType |
| ipv6 | ipv6InterfaceEnableStatus | | ipv6 | ipv6InterfaceEnableStatus |
| ipv6/forwarding | ipv6InterfaceForwarding | | ipv6/forwarding | ipv6InterfaceForwarding |
| ipv6/address | ipAddressEntry | | ipv6/address | ipAddressEntry |
| ipv6/address/ip | ipAddressAddrType | | ipv6/address/ip | ipAddressAddrType |
| | ipAddressAddr | | | ipAddressAddr |
| ipv6/address/origin | ipAddressOrigin | | ipv6/address/origin | ipAddressOrigin |
| ipv6/address/status | ipAddressStatus | | ipv6/address/status | ipAddressStatus |
| ipv6/neighbor | ipNetToPhysicalEntry | | ipv6/neighbor | ipNetToPhysicalEntry |
| ipv6/neighbor/interface | ipNetToPhysicalIfIndex |
| ipv6/neighbor/ip | ipNetToPhysicalNetAddressType | | ipv6/neighbor/ip | ipNetToPhysicalNetAddressType |
| | ipNetToPhysicalNetAddressAddr | | | ipNetToPhysicalNetAddressAddr |
| ipv6/neighbor/link-layer-address | ipNetToPhysicalPhysAddress | | ipv6/neighbor/link-layer-address | ipNetToPhysicalPhysAddress |
| ipv6/neighbor/origin | ipNetToPhysicalType | | ipv6/neighbor/origin | ipNetToPhysicalType |
| ipv6/neighbor/state | ipNetToPhysicalState | | ipv6/neighbor/state | ipNetToPhysicalState |
+-----------------------------------+-------------------------------+ +-----------------------------------+-------------------------------+
YANG interface state data nodes and related IP-MIB objects YANG interface state data nodes and related IP-MIB objects
4. IP management YANG Module 4. IP management YANG Module
This module imports typedefs from [RFC6991] and This module imports typedefs from [RFC6991] and
[I-D.ietf-netmod-interfaces-cfg], and references [RFC0791], [I-D.ietf-netmod-interfaces-cfg], and references [RFC0791],
[RFC0826], [RFC2460], [RFC4861], [RFC4862], and [RFC4941]. [RFC0826], [RFC2460], [RFC4861], [RFC4862], and [RFC4941].
RFC Ed.: update the date below with the date of RFC publication and RFC Ed.: update the date below with the date of RFC publication and
remove this note. remove this note.
<CODE BEGINS> file "ietf-ip@2014-01-08.yang" <CODE BEGINS> file "ietf-ip@2014-02-14.yang"
module ietf-ip {
namespace "urn:ietf:params:xml:ns:yang:ietf-ip";
prefix ip;
import ietf-interfaces { module ietf-ip {
prefix if;
}
import ietf-inet-types {
prefix inet;
}
import ietf-yang-types {
prefix yang;
}
organization namespace "urn:ietf:params:xml:ns:yang:ietf-ip";
"IETF NETMOD (NETCONF Data Modeling Language) Working Group"; prefix ip;
contact import ietf-interfaces {
"WG Web: <http://tools.ietf.org/wg/netmod/> prefix if;
WG List: <mailto:netmod@ietf.org> }
import ietf-inet-types {
prefix inet;
}
import ietf-yang-types {
prefix yang;
}
WG Chair: David Kessens organization
<mailto:david.kessens@nsn.com> "IETF NETMOD (NETCONF Data Modeling Language) Working Group";
WG Chair: Juergen Schoenwaelder contact
<mailto:j.schoenwaelder@jacobs-university.de> "WG Web: <http://tools.ietf.org/wg/netmod/>
WG List: <mailto:netmod@ietf.org>
Editor: Martin Bjorklund WG Chair: Thomas Nadeau
<mailto:mbj@tail-f.com>"; <mailto:tnadeau@lucidvision.com>
description WG Chair: Juergen Schoenwaelder
"This module contains a collection of YANG definitions for <mailto:j.schoenwaelder@jacobs-university.de>
configuring IP implementations.
Copyright (c) 2013 IETF Trust and the persons identified as Editor: Martin Bjorklund
authors of the code. All rights reserved. <mailto:mbj@tail-f.com>";
Redistribution and use in source and binary forms, with or description
without modification, is permitted pursuant to, and subject "This module contains a collection of YANG definitions for
to the license terms contained in, the Simplified BSD License configuring IP implementations.
set forth in Section 4.c of the IETF Trust's Legal Provisions
Relating to IETF Documents
(http://trustee.ietf.org/license-info).
This version of this YANG module is part of RFC XXXX; see Copyright (c) 2013 IETF Trust and the persons identified as
the RFC itself for full legal notices."; authors of the code. All rights reserved.
// RFC Ed.: replace XXXX with actual RFC number and remove this Redistribution and use in source and binary forms, with or
// note. without modification, is permitted pursuant to, and subject
to the license terms contained in, the Simplified BSD License
set forth in Section 4.c of the IETF Trust's Legal Provisions
Relating to IETF Documents
(http://trustee.ietf.org/license-info).
// RFC Ed.: update the date below with the date of RFC publication This version of this YANG module is part of RFC XXXX; see
// and remove this note. the RFC itself for full legal notices.";
revision 2014-01-08 {
description
"Initial revision.";
reference
"RFC XXXX: A YANG Data Model for IP Management";
}
/* // RFC Ed.: replace XXXX with actual RFC number and remove this
* Features // note.
*/
feature ipv4-non-contiguous-netmasks { // RFC Ed.: update the date below with the date of RFC publication
description // and remove this note.
"Indicates support for configuring non-contiguous revision 2014-02-13 {
subnet masks."; description
} "Initial revision.";
reference
"RFC XXXX: A YANG Data Model for IP Management";
}
feature ipv6-privacy-autoconf { /*
description * Features
"Indicates support for Privacy Extensions for Stateless Address */
Autoconfiguration in IPv6.";
reference
"RFC 4941: Privacy Extensions for Stateless Address
Autoconfiguration in IPv6";
}
/* feature ipv4-non-contiguous-netmasks {
* Typedefs description
*/ "Indicates support for configuring non-contiguous
subnet masks.";
}
typedef ip-address-origin { feature ipv6-privacy-autoconf {
type enumeration { description
enum other { "Indicates support for Privacy Extensions for Stateless Address
description Autoconfiguration in IPv6.";
"None of the following."; reference
} "RFC 4941: Privacy Extensions for Stateless Address
enum static { Autoconfiguration in IPv6";
description }
"Indicates that the address has been statically
configured, for example using NETCONF or a Command Line
Interface.";
}
enum dhcp {
description
"Indicates an address that has been assigned to this
system by a DHCP server.";
}
enum link-layer {
description
"Indicates an address created by IPv6 stateless
auto-configuration.";
}
enum random {
description
"Indicates an address chosen by the system at
random, e.g., an IPv4 address within 169.254/16, or an
RFC 4941 privacy address.";
}
}
description
"The origin of an address.";
}
typedef neighbor-origin { /*
type enumeration { * Typedefs
enum other { */
description
"None of the following.";
}
enum static {
description
"Indicates that the mapping has been statically
configured, for example using NETCONF or a Command Line
Interface.";
}
enum dynamic {
description
"Indicates that the mapping has been dynamically resolved
using e.g., IPv4 ARP or the IPv6 Neighbor Discovery
protocol.";
}
} typedef ip-address-origin {
description type enumeration {
"The origin of a neighbor entry."; enum other {
} description
"None of the following.";
}
enum static {
description
"Indicates that the address has been statically
configured, for example using NETCONF or a Command Line
Interface.";
}
enum dhcp {
description
"Indicates an address that has been assigned to this
system by a DHCP server.";
}
enum link-layer {
description
"Indicates an address created by IPv6 stateless
auto-configuration.";
}
enum random {
description
"Indicates an address chosen by the system at
random, e.g., an IPv4 address within 169.254/16, or an
RFC 4941 privacy address.";
}
}
description
"The origin of an address.";
}
/* typedef neighbor-origin {
* Configuration data nodes type enumeration {
*/ enum other {
description
"None of the following.";
}
enum static {
description
"Indicates that the mapping has been statically
configured, for example using NETCONF or a Command Line
Interface.";
}
enum dynamic {
description
"Indicates that the mapping has been dynamically resolved
using e.g., IPv4 ARP or the IPv6 Neighbor Discovery
protocol.";
}
augment "/if:interfaces/if:interface" { }
description description
"Parameters for configuring IP on interfaces. "The origin of a neighbor entry.";
}
If an interface is not capable of running IP, the server /*
must not allow the client to configure these parameters."; * Configuration data nodes
*/
container ipv4 { augment "/if:interfaces/if:interface" {
presence description
"Enables IPv4 unless the 'enabled' leaf "Parameters for configuring IP on interfaces.
(which defaults to 'true') is set to 'false'";
description
"Parameters for the IPv4 address family.";
leaf enabled { If an interface is not capable of running IP, the server
type boolean; must not allow the client to configure these parameters.";
default true;
description
"Controls if IPv4 is enabled or disabled on this
interface.";
}
leaf forwarding {
type boolean;
default false;
description
"Controls if IPv4 packet forwarding is enabled or disabled
on this interface.";
}
leaf mtu {
type uint16 {
range "68..max";
}
units octets;
description
"The size, in octets, of the largest IPv4 packet that the
interface will send and receive.
The server may restrict the allowed values for this leaf container ipv4 {
depending on the interface's type. presence
"Enables IPv4 unless the 'enabled' leaf
(which defaults to 'true') is set to 'false'";
description
"Parameters for the IPv4 address family.";
If this leaf is not configured, the operationally used mtu leaf enabled {
depends on the interface's type."; type boolean;
reference default true;
"RFC 791: Internet Protocol"; description
} "Controls if IPv4 is enabled or disabled on this
list address { interface. When IPv4 is enabled, this interface is
key "ip"; connected to an IPv4 stack, and the interface can send
description and receive IPv4 packets.";
"The list of configured IPv4 addresses on the interface."; }
leaf forwarding {
type boolean;
default false;
description
"Controls IPv4 packet forwarding of datagrams received by,
but not addressed to, this interface. IPv4 routers forward
datagrams. IPv4 hosts do not (except those source-routed
via the host)";
}
leaf mtu {
type uint16 {
range "68..max";
}
units octets;
description
"The size, in octets, of the largest IPv4 packet that the
interface will send and receive.
leaf ip { The server may restrict the allowed values for this leaf
type inet:ipv4-address-no-zone; depending on the interface's type.
description
"The IPv4 address on the interface.";
}
choice subnet {
mandatory true;
description
"The subnet can be specified as a prefix-length, or,
if the server supports non-contiguous netmasks, as
a netmask.";
leaf prefix-length {
type uint8 {
range "0..32";
}
description
"The length of the subnet prefix.";
}
leaf netmask {
if-feature ipv4-non-contiguous-netmasks;
type yang:dotted-quad;
description
"The subnet specified as a netmask.";
}
}
}
list neighbor {
key "ip";
description
"A list of mappings from IPv4 addresses to
link-layer addresses.
Entries in this list are used as static entries in the If this leaf is not configured, the operationally used mtu
ARP cache."; depends on the interface's type.";
reference reference
"RFC 826: An Ethernet Address Resolution Protocol"; "RFC 791: Internet Protocol";
}
list address {
key "ip";
description
"The list of configured IPv4 addresses on the interface.";
leaf ip { leaf ip {
type inet:ipv4-address-no-zone; type inet:ipv4-address-no-zone;
description description
"The IPv4 address of the neighbor node."; "The IPv4 address on the interface.";
} }
leaf link-layer-address { choice subnet {
type yang:phys-address; mandatory true;
mandatory true; description
description "The subnet can be specified as a prefix-length, or,
"The link-layer address of the neighbor node."; if the server supports non-contiguous netmasks, as
} a netmask.";
} leaf prefix-length {
type uint8 {
range "0..32";
}
description
"The length of the subnet prefix.";
}
leaf netmask {
if-feature ipv4-non-contiguous-netmasks;
type yang:dotted-quad;
description
"The subnet specified as a netmask.";
}
}
}
list neighbor {
key "ip";
description
"A list of mappings from IPv4 addresses to
link-layer addresses.
} Entries in this list are used as static entries in the
container ipv6 { ARP cache.";
presence reference
"Enables IPv6 unless the 'enabled' leaf "RFC 826: An Ethernet Address Resolution Protocol";
(which defaults to 'true') is set to 'false'";
description
"Parameters for the IPv6 address family.";
leaf enabled { leaf ip {
type boolean; type inet:ipv4-address-no-zone;
default true; description
description "The IPv4 address of the neighbor node.";
"Controls if IPv6 is enabled or disabled on this }
interface."; leaf link-layer-address {
} type yang:phys-address;
leaf forwarding { mandatory true;
type boolean; description
default false; "The link-layer address of the neighbor node.";
description }
"Controls if IPv6 packet forwarding is enabled or disabled }
on this interface.";
reference
"RFC 4861: Neighbor Discovery for IP version 6 (IPv6)
Section 6.2.1, IsRouter";
}
leaf mtu {
type uint32 {
range "1280..max";
}
units octets;
description
"The size, in octets, of the largest IPv6 packet that the
interface will send and receive.
The server may restrict the allowed values for this leaf }
depending on the interface's type. container ipv6 {
presence
"Enables IPv6 unless the 'enabled' leaf
(which defaults to 'true') is set to 'false'";
description
"Parameters for the IPv6 address family.";
If this leaf is not configured, the operationally used mtu leaf enabled {
depends on the interface's type."; type boolean;
reference default true;
"RFC 2460: IPv6 Specification description
Section 5"; "Controls if IPv6 is enabled or disabled on this
} interface. When IPv6 is enabled, this interface is
list address { connected to an IPv6 stack, and the interface can send
key "ip"; and receive IPv6 packets.";
description }
"The list of configured IPv6 addresses on the interface."; leaf forwarding {
type boolean;
default false;
description
"Controls IPv6 packet forwarding of datagrams received by,
but not addressed to, this interface. IPv6 routers forward
datagrams. IPv6 hosts do not (except those source-routed
via the host)";
reference
"RFC 4861: Neighbor Discovery for IP version 6 (IPv6)
Section 6.2.1, IsRouter";
}
leaf mtu {
type uint32 {
range "1280..max";
}
units octets;
description
"The size, in octets, of the largest IPv6 packet that the
interface will send and receive.
leaf ip { The server may restrict the allowed values for this leaf
type inet:ipv6-address-no-zone; depending on the interface's type.
description
"The IPv6 address on the interface.";
}
leaf prefix-length {
type uint8 {
range "0..128";
}
mandatory true;
description
"The length of the subnet prefix.";
}
}
list neighbor {
key "ip";
description
"A list of mappings from IPv6 addresses to
link-layer addresses.
Entries in this list are used as static entries in the If this leaf is not configured, the operationally used mtu
Neighbor Cache."; depends on the interface's type.";
reference reference
"RFC 4861: Neighbor Discovery for IP version 6 (IPv6)"; "RFC 2460: IPv6 Specification
Section 5";
}
list address {
key "ip";
description
"The list of configured IPv6 addresses on the interface.";
leaf ip { leaf ip {
type inet:ipv6-address-no-zone; type inet:ipv6-address-no-zone;
description description
"The IPv6 address of the neighbor node."; "The IPv6 address on the interface.";
} }
leaf link-layer-address { leaf prefix-length {
type yang:phys-address; type uint8 {
mandatory true; range "0..128";
description }
"The link-layer address of the neighbor node."; mandatory true;
} description
} "The length of the subnet prefix.";
leaf dup-addr-detect-transmits { }
type uint32; }
default 1; list neighbor {
description key "ip";
"The number of consecutive Neighbor Solicitation messages description
sent while performing Duplicate Address Detection on a "A list of mappings from IPv6 addresses to
tentative address. A value of zero indicates that link-layer addresses.
Duplicate Address Detection is not performed on
tentative addresses. A value of one indicates a single
transmission with no follow-up retransmissions.";
reference
"RFC 4862: IPv6 Stateless Address Autoconfiguration";
}
container autoconf {
description
"Parameters to control the autoconfiguration of IPv6
addresses, as described in RFC 4862.";
reference
"RFC 4862: IPv6 Stateless Address Autoconfiguration";
leaf create-global-addresses { Entries in this list are used as static entries in the
type boolean; Neighbor Cache.";
default true; reference
description "RFC 4861: Neighbor Discovery for IP version 6 (IPv6)";
"If enabled, the host creates global addresses as
described in section 5.5 of RFC 4862.";
reference
"RFC 4862: IPv6 Stateless Address Autoconfiguration";
}
leaf create-temporary-addresses {
if-feature ipv6-privacy-autoconf;
type boolean;
default false;
description
"If enabled, the host creates temporary addresses as
described in RFC 4941.";
reference
"RFC 4941: Privacy Extensions for Stateless Address
Autoconfiguration in IPv6";
}
leaf temporary-valid-lifetime {
if-feature ipv6-privacy-autoconf;
type uint32;
units "seconds";
default 604800;
description
"The time period during which the temporary address
is valid.";
reference leaf ip {
"RFC 4941: Privacy Extensions for Stateless Address type inet:ipv6-address-no-zone;
Autoconfiguration in IPv6 description
- TEMP_VALID_LIFETIME"; "The IPv6 address of the neighbor node.";
} }
leaf temporary-preferred-lifetime { leaf link-layer-address {
if-feature ipv6-privacy-autoconf; type yang:phys-address;
type uint32; mandatory true;
units "seconds"; description
default 86400; "The link-layer address of the neighbor node.";
description }
"The time period during which the temporary address is }
preferred."; leaf dup-addr-detect-transmits {
reference type uint32;
"RFC 4941: Privacy Extensions for Stateless Address default 1;
Autoconfiguration in IPv6 description
- TEMP_PREFERRED_LIFETIME"; "The number of consecutive Neighbor Solicitation messages
} sent while performing Duplicate Address Detection on a
} tentative address. A value of zero indicates that
} Duplicate Address Detection is not performed on
} tentative addresses. A value of one indicates a single
transmission with no follow-up retransmissions.";
reference
"RFC 4862: IPv6 Stateless Address Autoconfiguration";
}
container autoconf {
description
"Parameters to control the autoconfiguration of IPv6
addresses, as described in RFC 4862.";
reference
"RFC 4862: IPv6 Stateless Address Autoconfiguration";
/* leaf create-global-addresses {
* Operational state data nodes type boolean;
*/ default true;
description
"If enabled, the host creates global addresses as
described in section 5.5 of RFC 4862.";
reference
"RFC 4862: IPv6 Stateless Address Autoconfiguration";
}
leaf create-temporary-addresses {
if-feature ipv6-privacy-autoconf;
type boolean;
default false;
description
"If enabled, the host creates temporary addresses as
described in RFC 4941.";
reference
"RFC 4941: Privacy Extensions for Stateless Address
Autoconfiguration in IPv6";
}
leaf temporary-valid-lifetime {
if-feature ipv6-privacy-autoconf;
type uint32;
units "seconds";
default 604800;
description
"The time period during which the temporary address
is valid.";
reference
"RFC 4941: Privacy Extensions for Stateless Address
Autoconfiguration in IPv6
- TEMP_VALID_LIFETIME";
}
leaf temporary-preferred-lifetime {
if-feature ipv6-privacy-autoconf;
type uint32;
units "seconds";
default 86400;
description
"The time period during which the temporary address is
preferred.";
reference
"RFC 4941: Privacy Extensions for Stateless Address
Autoconfiguration in IPv6
- TEMP_PREFERRED_LIFETIME";
}
}
}
}
augment "/if:interfaces-state/if:interface" { /*
description * Operational state data nodes
"Data nodes for the operational state of IP on interfaces."; */
container ipv4 { augment "/if:interfaces-state/if:interface" {
presence "Present if IPv4 is enabled on this interface"; description
config false; "Data nodes for the operational state of IP on interfaces.";
description
"Interface specific parameters for the IPv4 address family.";
leaf forwarding { container ipv4 {
type boolean; presence "Present if IPv4 is enabled on this interface";
description config false;
"Indicates if IPv4 packet forwarding is enabled or disabled description
on this interface."; "Interface specific parameters for the IPv4 address family.";
}
leaf mtu {
type uint16 {
range "68..max";
}
units octets;
description
"The size, in octets, of the largest IPv4 packet that the
interface will send and receive.";
reference
"RFC 791: Internet Protocol";
}
list address {
key "ip";
description
"The list of IPv4 addresses on the interface.";
leaf ip { leaf forwarding {
type inet:ipv4-address-no-zone; type boolean;
description description
"The IPv4 address on the interface."; "Indicates if IPv4 packet forwarding is enabled or disabled
} on this interface.";
choice subnet { }
description leaf mtu {
"The subnet can be specified as a prefix-length, or, type uint16 {
if the server supports non-contiguous netmasks, as range "68..max";
a netmask."; }
leaf prefix-length { units octets;
type uint8 { description
range "0..32"; "The size, in octets, of the largest IPv4 packet that the
} interface will send and receive.";
description reference
"The length of the subnet prefix."; "RFC 791: Internet Protocol";
} }
leaf netmask { list address {
if-feature ipv4-non-contiguous-netmasks; key "ip";
type yang:dotted-quad; description
description "The list of IPv4 addresses on the interface.";
"The subnet specified as a netmask.";
}
}
leaf origin {
type ip-address-origin;
description
"The origin of this address.";
}
}
list neighbor {
key "ip";
description
"A list of mappings from IPv4 addresses to
link-layer addresses.
This list represents the ARP Cache."; leaf ip {
reference type inet:ipv4-address-no-zone;
"RFC 826: An Ethernet Address Resolution Protocol"; description
"The IPv4 address on the interface.";
}
choice subnet {
description
"The subnet can be specified as a prefix-length, or,
if the server supports non-contiguous netmasks, as
a netmask.";
leaf prefix-length {
type uint8 {
range "0..32";
}
description
"The length of the subnet prefix.";
}
leaf netmask {
if-feature ipv4-non-contiguous-netmasks;
type yang:dotted-quad;
description
"The subnet specified as a netmask.";
}
}
leaf origin {
type ip-address-origin;
description
"The origin of this address.";
leaf ip { }
type inet:ipv4-address-no-zone; }
description list neighbor {
"The IPv4 address of the neighbor node."; key "ip";
} description
leaf link-layer-address { "A list of mappings from IPv4 addresses to
type yang:phys-address; link-layer addresses.
description
"The link-layer address of the neighbor node.";
}
leaf origin {
type neighbor-origin;
description
"The origin of this neighbor entry.";
}
}
} This list represents the ARP Cache.";
reference
"RFC 826: An Ethernet Address Resolution Protocol";
container ipv6 { leaf ip {
presence "Present if IPv6 is enabled on this interface"; type inet:ipv4-address-no-zone;
config false; description
description "The IPv4 address of the neighbor node.";
"Parameters for the IPv6 address family."; }
leaf link-layer-address {
type yang:phys-address;
description
"The link-layer address of the neighbor node.";
}
leaf origin {
type neighbor-origin;
description
"The origin of this neighbor entry.";
}
}
leaf forwarding { }
type boolean;
default false;
description
"Indicates if IPv6 packet forwarding is enabled or disabled
on this interface.";
reference
"RFC 4861: Neighbor Discovery for IP version 6 (IPv6)
Section 6.2.1, IsRouter";
}
leaf mtu {
type uint32 {
range "1280..max";
}
units octets;
description
"The size, in octets, of the largest IPv6 packet that the
interface will send and receive.";
reference
"RFC 2460: IPv6 Specification
Section 5";
} container ipv6 {
list address { presence "Present if IPv6 is enabled on this interface";
key "ip"; config false;
description description
"The list of IPv6 addresses on the interface."; "Parameters for the IPv6 address family.";
leaf ip { leaf forwarding {
type inet:ipv6-address-no-zone; type boolean;
description default false;
"The IPv6 address on the interface."; description
} "Indicates if IPv6 packet forwarding is enabled or disabled
leaf prefix-length { on this interface.";
type uint8 { reference
range "0..128"; "RFC 4861: Neighbor Discovery for IP version 6 (IPv6)
} Section 6.2.1, IsRouter";
mandatory true; }
description leaf mtu {
"The length of the subnet prefix."; type uint32 {
} range "1280..max";
leaf origin { }
type ip-address-origin; units octets;
description description
"The origin of this address."; "The size, in octets, of the largest IPv6 packet that the
} interface will send and receive.";
leaf status { reference
type enumeration { "RFC 2460: IPv6 Specification
enum preferred { Section 5";
description }
"This is a valid address that can appear as the list address {
destination or source address of a packet."; key "ip";
} description
enum deprecated { "The list of IPv6 addresses on the interface.";
description
"This is a valid but deprecated address that should
no longer be used as a source address in new
communications, but packets addressed to such an
address are processed as expected.";
}
enum invalid {
description
"This isn't a valid address and it shouldn't appear
as the destination or source address of a packet.";
}
enum inaccessible {
description
"The address is not accessible because the interface
to which this address is assigned is not
operational.";
} leaf ip {
enum unknown { type inet:ipv6-address-no-zone;
description description
"The status cannot be determined for some reason."; "The IPv6 address on the interface.";
} }
enum tentative { leaf prefix-length {
description type uint8 {
"The uniqueness of the address on the link is being range "0..128";
verified. Addresses in this state should not be }
used for general communication and should only be mandatory true;
used to determine the uniqueness of the address."; description
} "The length of the subnet prefix.";
enum duplicate { }
description leaf origin {
"The address has been determined to be non-unique on type ip-address-origin;
the link and so must not be used."; description
} "The origin of this address.";
enum optimistic { }
description leaf status {
"The address is available for use, subject to type enumeration {
restrictions, while its uniqueness on a link is enum preferred {
being verified."; description
} "This is a valid address that can appear as the
} destination or source address of a packet.";
description }
"The status of an address. Most of the states correspond enum deprecated {
to states from the IPv6 Stateless Address description
Autoconfiguration protocol."; "This is a valid but deprecated address that should
reference no longer be used as a source address in new
"RFC 4293: Management Information Base for the communications, but packets addressed to such an
Internet Protocol (IP) address are processed as expected.";
- IpAddressStatusTC }
RFC 4862: IPv6 Stateless Address Autoconfiguration"; enum invalid {
} description
} "This isn't a valid address and it shouldn't appear
list neighbor { as the destination or source address of a packet.";
key "ip"; }
description enum inaccessible {
"A list of mappings from IPv6 addresses to description
link-layer addresses. "The address is not accessible because the interface
to which this address is assigned is not
operational.";
}
enum unknown {
description
"The status cannot be determined for some reason.";
}
enum tentative {
description
"The uniqueness of the address on the link is being
verified. Addresses in this state should not be
used for general communication and should only be
used to determine the uniqueness of the address.";
}
enum duplicate {
description
"The address has been determined to be non-unique on
the link and so must not be used.";
}
enum optimistic {
description
"The address is available for use, subject to
restrictions, while its uniqueness on a link is
being verified.";
}
}
description
"The status of an address. Most of the states correspond
to states from the IPv6 Stateless Address
Autoconfiguration protocol.";
reference
"RFC 4293: Management Information Base for the
Internet Protocol (IP)
- IpAddressStatusTC
RFC 4862: IPv6 Stateless Address Autoconfiguration";
}
}
list neighbor {
key "ip";
description
"A list of mappings from IPv6 addresses to
link-layer addresses.
This list represents the Neighbor Cache."; This list represents the Neighbor Cache.";
reference reference
"RFC 4861: Neighbor Discovery for IP version 6 (IPv6)"; "RFC 4861: Neighbor Discovery for IP version 6 (IPv6)";
leaf ip { leaf ip {
type inet:ipv6-address-no-zone; type inet:ipv6-address-no-zone;
description description
"The IPv6 address of the neighbor node."; "The IPv6 address of the neighbor node.";
} }
leaf link-layer-address { leaf link-layer-address {
type yang:phys-address; type yang:phys-address;
description description
"The link-layer address of the neighbor node."; "The link-layer address of the neighbor node.";
} }
leaf origin { leaf origin {
type neighbor-origin; type neighbor-origin;
description description
"The origin of this neighbor entry."; "The origin of this neighbor entry.";
} }
leaf is-router { leaf is-router {
type empty; type empty;
description description
"Indicates that the neighbor node acts as a router."; "Indicates that the neighbor node acts as a router.";
} }
leaf state { leaf state {
type enumeration { type enumeration {
enum incomplete { enum incomplete {
description description
"Address resolution is in progress and the link-layer "Address resolution is in progress and the link-layer
address of the neighbor has not yet been address of the neighbor has not yet been
determined."; determined.";
} }
enum reachable { enum reachable {
description description
"Roughly speaking, the neighbor is known to have been "Roughly speaking, the neighbor is known to have been
reachable recently (within tens of seconds ago)."; reachable recently (within tens of seconds ago).";
} }
enum stale { enum stale {
description description
"The neighbor is no longer known to be reachable but "The neighbor is no longer known to be reachable but
until traffic is sent to the neighbor, no attempt until traffic is sent to the neighbor, no attempt
should be made to verify its reachability."; should be made to verify its reachability.";
} }
enum delay { enum delay {
description description
"The neighbor is no longer known to be reachable, and "The neighbor is no longer known to be reachable, and
traffic has recently been sent to the neighbor. traffic has recently been sent to the neighbor.
Rather than probe the neighbor immediately, however, Rather than probe the neighbor immediately, however,
delay sending probes for a short while in order to delay sending probes for a short while in order to
give upper-layer protocols a chance to provide give upper-layer protocols a chance to provide
reachability confirmation."; reachability confirmation.";
} }
enum probe { enum probe {
description description
"The neighbor is no longer known to be reachable, and "The neighbor is no longer known to be reachable, and
unicast Neighbor Solicitation probes are being sent unicast Neighbor Solicitation probes are being sent
to verify reachability."; to verify reachability.";
} }
} }
description description
"The Neighbor Unreachability Detection state of this "The Neighbor Unreachability Detection state of this
entry."; entry.";
reference reference
"RFC 4861: Neighbor Discovery for IP version 6 (IPv6) "RFC 4861: Neighbor Discovery for IP version 6 (IPv6)
Section 7.3.2"; Section 7.3.2";
} }
} }
} }
} }
} }
<CODE ENDS> <CODE ENDS>
5. IANA Considerations 5. IANA Considerations
This document registers a URI in the IETF XML registry [RFC3688]. This document registers a URI in the IETF XML registry [RFC3688].
Following the format in RFC 3688, the following registration is Following the format in RFC 3688, the following registration is
requested to be made. requested to be made.
URI: urn:ietf:params:xml:ns:yang:ietf-ip URI: urn:ietf:params:xml:ns:yang:ietf-ip
 End of changes. 59 change blocks. 
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