[c-nsp] Route redirection issues

[Rodney Dunn]

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Controlling traffic in a failover in bi-directional format
can be pretty tricky.

Rodney

On Sun, Oct 29, 2006 at 04:34:14PM +0100, Vibesku wrote:

> Hi all,
> 
>  
> 
> I need help to confiugure the next scenario:
> 
>  
> 
>             |--ATM0/0.0--|                     |- ATM0/0.0--|
> 
> Router--|                   |--ATM Cloud--|                   |--Cisco
> Switch
> 
>       |     |--ATM0/0.1--|                     |--ATM0/0.1--|
> 
>       |
> 
>       | FastEthernet
> 
>     [ LAN]
> 
>  
> 
> I need to route traffic from LAN to the Cisco Switch using two interfaces
> 
> (ATM0/0.0 and ATM0/0.1), one PVC in each sub-interface, ATM0/0.0 as the
> 
> principal interface and ATM0/0.1 as the back-up (only working if the
> 
> other fails).
> 
>  
> 
> The Cisco Router has more interfaces so I need to re-route traffic from
> 
> the LAN Fast Ethernet to the ATM ones.
> 
>  
> 
> I can use route-maps to redirect the traffic from FasEthernet to one ATM
> 
> sub-interface but how can I use another ATM sub-interface as backup
> 
> redirecting traffic from the FE to this backup if the principal fails?
> 
>  
> 
> Best regards,
> 
>  
> 
>    Dario D.
> 
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