462 CHAPTER 35: IPV6 IS-IS CONFIGURATION
Configuration
Prerequisites
Before the configuration, accomplish the following tasks first:
■ Enable IPv6 globally
■ Configure IP addresses for interfaces, and make sure all neighboring nodes are
reachable.
■ Enable IS-IS
Configuration Procedure Follow these steps to configure the basic functions of IPv6 IS-IS:
Configuring IPv6 IS-IS
Routing Information
Control
Configuration
Prerequisites
You need to complete the IPv6 IS-IS basic function configuration before
configuring this task.
Configuration Procedure Follow these steps to configure IPv6 IS-IS routing information control:
To do… Use command to... Remarks
Enter system view system-view --
Enable an IS-IS process and
enter IS-IS view
isis [ process-id ] Required
Not enabled by default
Configure the network entity
title for the IS-IS process
network-entity net Required
Not configured by default
Enable IPv6 for the IS-IS
process
ipv6 enable Required
Disabled by default
Return to system view quit --
Enter interface view interface interface-type
interface-number
--
Enable IPv6 for an IS-IS
process on the interface
isis ipv6 enable [ process-id ] Required
Disabled by default
To do… Use command to... Remarks
Enter system view system-view --
Enter IS-IS view isis [ process-id ] --
Define the priority for IPv6
IS-IS routes
ipv6 preference { route-policy
route-policy-name | preference } *
Optional
15 by default
Configure an IPv6 IS-IS
summary route
ipv6 summary ipv6-prefix prefix-length
[ avoid-feedback |
generate_null0_route | [ level-1 |
level-1-2 | level-2 ] | tag tag ] *
Optional
Not configured by
default
Generate an IPv6 IS-IS
default route
ipv6 default-route-advertise
[[level-1 | level-2 | level-1-2 ] |
route-policy route-policy-name ]*
Optional
No IPv6 default route
is defined by default.
Configure IPv6 IS-IS to
filter incoming routes
ipv6 filter-policy { acl6-number |
ipv6-prefix ipv6-prefix-name |
route-policy route-policy-name }
import
Optional
No filtering policy is
defined by default
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