[c-nsp] 2MBit leased line and dsl backup

Matthew Crocker matthew at crocker.com
Tue Mar 15 11:35:46 EST 2005


Florian

  It depends on how you are doing your DSL.  If you are using PPPoE with 
a Dialer you could do something like

ip route 0.0.0.0 0.0.0.0 Serial0
ip route 0.0.0.0 0.0.0.0 Dialer0 200

Then type 'show ip route' and you should only see the serial route.   
This will take care of your outbound failover, you'll need to have your 
carrier handle your inbound failover.  I'm assuming you will have the 
same carrier/IP subnet delivered over T1 or DSL.  If the IPs change 
then this solution won't work.

-Matt

On Mar 15, 2005, at 11:26 AM, Florian Taeger wrote:

> Hi everyone,
>
> I am looking for a config for an 2801 Router. I have one 2MBit S2M 
> leased line
> (WIC-1T) and a adsl backup (Wic-1ADSL=). Can someone tell me how to 
> configure
> the adsl line to be a backup line? It should only be used, if the 
> serial
> interface is down or the next-hop is unreachable. if this happenes, 
> the default
> router for this router should point to the dsl line.
>
> The serial line workes fine, but I have no idea how to get the dsl 
> line to be
> the backup an dial when it is needed.
>
> Best regards
>
> Florian
>
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