[c-nsp] Policy based routing and redndancy

[Kristofer Sigurdsson]

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...

-- 
Kristófer Sigurðsson           Tel: +354 414 1600
Netrekstur/Network Operations  IP Fjarskipti ehf.