Cisco Systems Route Maps

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Posted by Bobby Brady on October 9, 2007, 2:00 pm
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I am using an access list to define certain traffic.  Then based on that
access list, I am sending the matched traffic out a dailer interface with
DSL using a route map.  The goal is to take some of the load off the
existing T1.

If the DSL fails, will the route map still take precedence and attempt to
send traffic out the DSL or will the default route (using the T1) start
carrying the traffic.

Thanks,
Bobby



Posted by Darren Green on October 9, 2007, 4:22 pm
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Bobby,

I would paste the relevant part of your config just so it is clear
what you have and what you are doing. If you have say static routes
pointing to your destination out of your Dialer0 interface, these
won't be removed if the ADSL goes down and the traffic may be black
holed.

Reading between the lines I take it that this a single router with 2 x
connections, 1 x T1 and 1 x DSL. Furthermore, depending on your ACL
you are setting the interface and perhaps other parameters in your
route map.

I have done this a number of times, however, to ensure that the route-
map didn't black hole the traffic I used the IP SLA commands.

There are sure to be lots of different ways to achieve what you want
but for clarity send your config in and I am sure someone will point
you in the right direction.

Regadrs

Darren


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Subject Author Date
Route Maps Bobby Brady 10-09-07
`--> Re: Route Maps Darren Green10-09-07
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