[c-nsp] Simple NAT based IOS failover between providers

[Cory Ayers]

> -----Original Message-----
> From: cisco-nsp-bounces at puck.nether.net [mailto:cisco-nsp-
> bounces at puck.nether.net] On Behalf Of Eric Helm
> Sent: Monday, September 26, 2005 11:04 AM
> To: Robert Boyle
> Cc: cisco-nsp
> Subject: Re: [c-nsp] Simple NAT based IOS failover between providers
> 
> Robert Boyle wrote:
> 
> > However, it doesn't work like that with IOS. I need it to fail over
from
> > the primary to the secondary and simply changing the routes doesn't
> > accomplish that with IOS NAT in the test configs we have used. The
$79
> > consumer router actively monitors the primary link for end to end
> > connectivity and switches when connectivity is lost. This is what I
need
> > from the IOS based router as well.
> 
> See if this is what you are looking for:
>
http://www.cisco.com/en/US/products/sw/iosswrel/ps5413/products_feature_
gu
> ide09186a00801d862d.html
> 
> /Eric

You will likely also need to use route-maps with NAT to specify which
pool/interface to use:
http://www.cisco.com/en/US/customer/tech/tk648/tk361/technologies_tech_n
ote09186a0080093fca.shtml