R3721-F3210-F3171-HP High-End Firewalls Network Management Command Reference-6PW101

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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.
If a filter policy is configured, only routes passing it can be advertised into the Level-1 area.
If no topology is specified, the Level-2 routes of the base topology will be advertised to Level-1.
Related commands: import-route.
Examples
# Enable route leaking from Level-2 to Level-1.
<Sysname> system-view
[Sysname] isis 1
[Sysname-isis-1] import-route isis level-2 into level-1
import-route limit (IS-IS view)
Syntax
import-route limit number
undo import-route limit
View
IS-IS view
Default level
2: System level
Parameters
number: Maximum number of redistributed Level 1/Level 2 IPv4 routes, in the range of 1 to 500000.
Description
Use import-route limit to configure the maximum number of redistributed Level 1/Level 2 IPv4 routes.
Use undo import-route limit to restore the default.
By default, the maximum number of redistributed Level 1/Level 2 IPv4 routes is 500000.
Examples
# Configure IS-IS process 1 to redistribute up to 1000 Level 1/Level 2 IPv4 routes.
<Sysname> system-view
[Sysname] isis 1
[Sysname-isis-1] import-route limit 1000
isis
Syntax
isis [ process-id ] [ vpn-instance vpn-instance-name ]
undo isis [ process-id ]
View
System view