Configuring Ipv6 Is-Is; Overview; Configuring Basic Ipv6 Is-Is; Configuration Prerequisites - HPE 5800 Series Configuration Manual

Configuring IPv6 IS-IS

This chapter describes how to configure IPv6 IS-IS, which supports all IPv4 IS-IS features except
that it advertises IPv6 routing information. For information about IS-IS, see

Overview

Intermediate System-to-Intermediate System (IS-IS) supports multiple network protocols, including
IPv6. To support IPv6, the IETF added two type-length-values (TLVs) and a new network layer
protocol identifier (NLPID).
The two TLVs are as follows:
•
IPv6 Reachability—Contains routing prefix and metric information to describe network
reachability and has a type value of 236 (0xEC).
•
IPv6 Interface Address—Same as the "IP Interface Address" TLV in IPv4 ISIS, except that the
32-bit IPv4 address is translated to the 128-bit IPv6 address.
The NLPID is an 8-bit field that identifies which network layer protocol is supported. For IPv6, the
NLPID is 142 (0x8E), which must be carried in hello packets sent by a router that supports IPv6
IS-IS.

Configuring basic IPv6 IS-IS

Basic IPv6 IS-IS configuration can implement the interconnection of IPv6 networks.

Configuration prerequisites

Before you configure basic IPv6 IS-IS, complete the following tasks:
•
Enable IPv6 globally.
•
Configure IP addresses for interfaces, and make sure that all neighboring nodes can reach
each other.
•
Enable IS-IS.

Configuration procedure

To configure basic IS-IS:
Step
Enter system view.
1.
Enable an IS-IS process and
2.
enter IS-IS view.
Configure the network entity
3.
title for the IS-IS process.
Enable IPv6 for the IS-IS
4.
process.
Return to system view.
5.
Enter interface view.
6.
Command
system-view
isis [ process-id ]
network-entity net
ipv6 enable
quit
interface interface-type
interface-number
302
"Configuring IS-IS."
Remarks
N/A
Not enabled by default.
Not configured by default.
Disabled by default.
N/A
N/A