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FAQ: OSPF Configuration on a NetScaler Appliance

  • CTX110495
  • Created On  Feb 04, 2010
  • Updated On  Feb 19, 2010
  • 1 found this helpful
  • Article
  • Topic : Networking

Q: Is it possible to configure multiple Open Shortest Path First (OSPF) on a NetScaler appliance?

A: No. The NetScaler appliance supports type 1, type 2, and type 3 Link State Advertisement (LSA). Starting NetScaler software release, type 7 LSA for Not-So-Stubby-Areas (NSSAs) is also supported. However, the NetScaler appliance does not support the inter area and external link advertisements, which as type 4 and type 5 LSAs, respectively. As a result, you can configure the appliance only for a single area.

More Information

You can configure OSPF on the NetScaler appliance by using the vtysh shell. However, starting NetScaler software release 9.0, you can run the OSPF commands directly from the command line interface of the appliance. When you configure OSPF from the vtysh shell, the configuration is not available in the running configuration of the appliance. However, if configured appropriately, then the routes are available in the routing table of the appliance.

The following is a sample of configuring OSPF on a NetScaler appliance from the vtysh shell:

> vtysh
NS#config t
NS(config)#router ospf 12
NS(config-router)#network area 0
NS#sh ip route
Codes: C - connected, S - static, R - RIP, B – BGP
       O - OSPF, IA - OSPF inter area
       N1 - OSPF NSSA external type 1, N2 - OSPF NSSA external type 2
       E1 - OSPF external type 1, E2 - OSPF external type 2
       i - IS-IS, L1 - IS-IS level-1, L2 - IS-IS level-2, ia - IS-IS inter area
       * - candidate default

Gateway of last resort is to network

K* via, 1/1
C is directly connected, 1/1
C is directly connected, lo0

### Configuring the MD5 for the OSPF ###

NS#conf t
Enter configuration commands, one per line.  End with CNTL/Z.
NS(config)#router ospf 12
NS(config-router)#area 12 authentication message-digest

NS(config)#interface 1/1
NS(config-if)#ip ospf message-digest-key 1 md5 nsroot

## Redistributing the static routes into OSPF ###

NS(config)#router ospf 12
NS(config-router)#redistribute connected

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