Configuring Is-Is Route Leaking; Tuning And Optimizing Is-Is Networks; Specifying Intervals For Sending Is-Is Hello And Csnp Packets - 3Com S7906E Configuration Manual

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...
Enter system view
Enter IS-IS view
Enable IS-IS route
leaking
If a filter policy is specified, only routes passing it can be advertised into Level-1 area.
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.

Tuning and Optimizing IS-IS Networks

Configuration Prerequisites
Before the configuration, accomplish the following tasks:
Configure IP addresses for interfaces, and make adjacent nodes reachable to each other at the
network layer.
Enable IS-IS.

Specifying Intervals for Sending IS-IS Hello and CSNP Packets

Follow these steps to configure intervals for sending IS-IS hello and CSNP packets:
To do...
Enter system view
Enter interface view
Specify the interval for sending
hello packets
Specify the interval for sending
CSNP packets on the DIS of a
broadcast network
Use the command...
system-view
isis [ process-id ] [ vpn-instance
vpn-instance-name ]
import-route isis level-2 into level-1 [ filter-policy
{ acl-number | ip-prefix ip-prefix-name |
route-policy route-policy-name } | tag tag ] *
Use the command...
system-view
interface interface-type
interface-number
isis timer hello seconds
[ level-1 | level-2 ]
isis timer csnp seconds
[ level-1 | level-2 ]
1-24
Remarks
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Required
Disabled by
default
Remarks
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Optional
10 seconds by default
Optional
10 seconds by default