[c-nsp] multiple routes to same destinations prefix differen lengths

[Joe Maimon]

Joe Maimon wrote:

> I had a situation where a /24 routed to a customer direct connection 
> needed to be more specific than the ebgp route.
> 
> So I removed the /24 and put in 2 /25
> 
> However, there was another /24 with a higher admin distance (radius 
> peruser route).
> 
> So a show ip route x.x.x.x showed the /24 to the "backup" connection and 
> both /25 to the primary customer connection.
> 
> This caused the customer all sorts of issues that went away as soon as I 
> added back in the /24. I suspect that the "backup" line doesnt quite 
> function correctly, but I want to know how that would become an issue 
> since (either of) the /25 route would be the more specific route.
> 
> What am I missing?
>

Apparently I was missing the other /32 peruser route. Odds are only this 
was at issue. (basing off of customer trouble reports).