Redundant/backup ISP - PPPoE setroute dynamic next-hop

Unanswered Question
Jan 19th, 2009

ASA55xxx

I understand how to configure redundant/backup ISP connection using static route tracking.

How do you accomplish this with a dynamic next-hop route on the backup connection such as with cheap DSL?

Thx - Phil

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celiocarreto Tue, 01/20/2009 - 02:53

Hi,

in my opinion it doesn't work. The Problem is, that in pppoe you are getting the default-route from the ISP. So you cannot apply any track to this route.

The only solution I see, is to use a router for pppoe and a tranfer net between Router and ASA, doing static NAT on the Router.

Then you can apply a default-route with a track statement in direction to the pppoe router.

Regards, Celio

alig.norbert Thu, 09/03/2009 - 08:21

How about static PPPoE IP on the backup interface with a static default route entry to the public-ip from the own ASA backup-interface?

kwillacey Thu, 09/03/2009 - 10:37

As long as you can set the back up route and poison it then you should be fine.

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