HP 4500G PWR 24-Port, Руководство по настройке

Страница: 529 / 1968

1-22
To do… Use the command… Remarks
Filter routes calculated
from received LSPs
filter-policy
{
acl-number
|
ip-prefix
ip-prefix-name | route-policy
route-policy-name
}
import
Required
No filtering is configured
by default.
Filtering redistributed routes
IS-IS can redistribute routes from other routing protocols or other IS-IS processes, add them into the
IS-IS routing table and advertise them in LSPs.
By reference a configured ACL, IP prefix list or routing policy, you can filter redistributed routes and only
the routes matching the filter can be added into the IS-IS routing table and advertised to neighbors.
Follow these steps to configure the filtering of redistributed routes:
To do… Use the command… Remarks
Enter system view
system-view
––
Enter IS-IS view
isis
[
process-id
] [
vpn-instance
vpn-instance-name
]
––
Configure the filtering of routes
redistributed from another
routing protocol or IS-IS
process
filter-policy
{
acl-number
|
ip-prefix
ip-prefix-name | route-policy
route-policy-name
}
export
[
protocol
[
process-id
] ]
Required
Not configured by
default
Configuring IS-IS Route Leaking
With IS-IS route leaking enabled, the Level-1-2 router can advertise the routing information of other
Level-1 areas and Level-2 area routing information to Level-1 routers.
Follow these steps to configure IS-IS route leaking:
To do… Use the command… Remarks
Enter system view
system-view
––
Enter IS-IS view
isis
[
process-id
] [
vpn-instance
vpn-instance-name
]
––
Enable IS-IS route
leaking
import-route isis level-2 into level-1
[
filter-policy
{
acl-number
|
ip-prefix ip-prefix-name
|
route-policy route-policy-name
} |
tag tag
] *
Required
Disabled by
default
z
If a filter policy is specified, only routes passing it can be advertised into Level-1 area.
z
You can specify a routing policy in the
import-route isis level-2 into level-1
command to filter
routes from Level-2 to Level-1. Other routing policies specified for route reception and
redistribution does not affect the route leaking.