[c-nsp] Policy based routing and redndancy

[Arturo Servin]

Kristofer Sigurdsson wrote:

>Hi,
>
>On Sun, 2005-08-07 at 12:02 -0700, Ashe Canvar wrote:
>  
>
>>Hi All,
>>
>>I currently use policy based routing to set the next hop for traffic
>>originating from certain subnets. This works great until the next hop
>>fails or goes down.
>>
>>What are some of the stratergies I might employ to create a "standby"
>>next hop that takes over if the primary one fails (I have 3 ISPs
>>connected to the same 6509) ?
>>    
>>
>
>Is putting this subnet in a seperate VRF (either through interface 
>config or policy) an option?  In that case, you could customize the
>routing table of that VRF according to your needs, eg. via routing
>protocols or route metrics...
>
>  
>

  A couple of links.
    
http://www.cisco.com/en/US/products/sw/iosswrel/ps1835/products_configuration_guide_chapter09186a00800c75d2.html#wp1000904
http://www.cisco.com/en/US/customer/products/sw/iosswrel/ps5207/products_feature_guide09186a00801d1e95.html

Hope it helps.

-as


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