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PIX routing

gsebok
Level 1
Level 1

Hi all!

I have configured a PIX with two outside interfaces

nameif ethernet0 outside security0

nameif ethernet2 outside2 security0

On one interface the network 172.16.1.0/24, on the other the network 172.16.2.0/24 can be reached. The PIX can communicate with the destination through both network (gateway redundancy). If I configure two default routes with different metric

route outside 0 0 172.16.1.1 1

route outside2 0 0 172.16.2.1 2

and I pull out the ethernet cable from the outside interface, the PIX keeps trying to send packet through this interface and doesn't switch to the other.

How can I force the PIX to do this?

Anyway is there any other solution to handle the redundant gateways?

I have tried the RIP2 but the timeout of a RIP entry is too long, I need FASTER switching over.

Gabor

3 Replies 3

tvanginneken
Level 4
Level 4

Hi,

the two gateways, are they cisco routers? If they are, I should choose to implement HSRP (hot standby routing protocol) on the two gateways.

Kind Regards,

Tom

Yes, the two gateways are CISCO routers and we have already used HSRP, but anyway I would like to find out why the PIX behaves itselves such 'abnormal' way. The PIX is a 506, the sw is 6.2.

cheers

Gabor

Can you adjust RIP timers for faster switching.

Thanks.

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