406
Step Command
Remarks
8.
Enable IPv6 for an IS-IS
process on the interface.
isis ipv6 enable
[
process-id
]
The default setting is disabled.
Configuring IPv6 IS-IS route control
Before you configure IPv6 IS-IS route control, complete basic IPv6 IS-IS configuration.
To configure IPv6 IS-IS route control:
Step Command
Remarks
1.
Enter system view.
system-view
N/A
2.
Enter IS-IS view.
isis
[
process-id
] [
vpn-instance
vpn-instance-name
]
N/A
3.
Enter IS-IS IPv6 address
family view.
address-family ipv6
[
unicast
]
N/A
4.
Specify a preference for
IPv6 IS-IS routes.
preference
{
route-policy
route-policy-name
|
preference
} *
By default, the default
setting is 15.
5.
Configure an IPv6 IS-IS
summary route.
summary
ipv6-prefix prefix-length
[
avoid-feedback
|
generate_null0_route
|
[
level-1
|
level-1-2
|
level-2
] |
tag
tag
] *
By default, no IPv6 IS-IS
summary route is
configured.
6.
Generate an IPv6 IS-IS
default route.
default-route-advertise
[
avoid-learning
|
[
level-1
|
level-1-2
|
level-2
] |
route-policy
route-policy-name
|
tag
tag
] *
By default, no IPv6 default
route is generated.
7.
Configure IPv6 IS-IS to
filter redistributed routes.
filter-policy
{
acl6-number
|
prefix-list
prefix-list-name
|
route-policy
route-policy-name
}
export
[
protocol
[
process-id
]
]
By default, IPv6 IS-IS does
not filter redistributed
routes.
This command is usually
used together with the
import-route
command.
8.
Configure IPv6 IS-IS to
filter received routes.
filter-policy
{
acl6-number
|
prefix-list
prefix-list-name
|
route-policy
route-policy-name
}
import
By default, IPv6 IS-IS does
not filter received routes.
9.
Configure IPv6 IS-IS to
redistribute routes from
another routing protocol.
import-route
protocol
[
process-id
]
[
allow-ibgp
] [
allow-direct
|
cost
cost
|
[
level-1
|
level-1-2
|
level-2
] |
route-policy
route-policy-name
|
tag
tag
] *
By default, IPv6 IS-IS does
not redistribute routes from
any other routing protocol.
10.
Configure the maximum
number of redistributed
Level 1/Level 2 IPv6
routes.
import-route limit
number
By default, the maximum
number of redistributed
Level 1/Level 2 IPv6 routes
is 500000.
11.
Configure route
advertisement from Level-2
to Level-1.
import-route isisv6 level-2 into level-1
[
filter-policy
{
acl6-number
|
prefix-list
prefix-list-name
|
route-policy
route-policy-name
} |
tag
tag
] *
By default, IPv6 IS-IS does
not advertise routes from
Level-2 to Level-1.
