[nsp] policy routing / CEF-IP-POLICY: fib for address 10.209.254.254 is with flag 0

[Steve Francis]

Gert Doering wrote:

>Hi,
>
>another interesting challenge...
>
>The problem:
>
>Policy-Routing doesn't want to policy-route if the "set ip next-hop"
>address is not directly adjacent.
>
>
>So the idea was "policy-route towards that loopback IP.  If X/Y/Z work,
>packets will travel that way.  If it doesn't work, packets take the
>ISDN leased line for backup".
>
>Yes, this is ugly (and I told them that it is, but there's a Telco 
>involved in managing X, Y, and Z, so this cannot be fixed quick enough
>for their needs).
>
>Any other suggestions to sort this out:
>
>  10.209.0.0/24 -> via ISDN, if available, X/Y/Z otherwise
>  10.209.1.0/24 -> via X/Y/Z, if available, ISDN otherwise
>
>are welcome.
>
>
>  
>
How about creating a tunnel from A to B, having the tunnel a less 
preferred route for your IGP, but use the tunnel far-end point as the 
destination for policy routing?
Alternatively, use VRFs for the different classes of traffic...