[c-nsp] 3560 vrf unwanted leaking when using tracked static route

Wouter Prins wp at null0.nl
Fri Feb 6 05:52:53 EST 2009


Can you try to specify the outgoing interface in your static vrf route and
test again?

2009/2/6 <jcovini at free.fr>

> Hey,
>
> Got a strange behavior on a C3560 12.2(35)SE5.
>
> I am locally attached interface to 9.9.9.0/24 network where my next hop
> 9.9.9.9
> is. This interface is member of vrf Internet
>
> I have a vrf static route, working perfect :
> ip route vrf Internet 192.168.0.0 255.255.255.0 9.9.9.9
>
>
> As soon as I remove and replace this route by a tracked one, the IOS adds
> the
> "global" keyword.
> I input this :
> ip route vrf Internet 192.168.0.0 255.255.255.0 9.9.9.9 track 2
> and got this in the show run output :
> ip route vrf Internet 192.168.0.0 255.255.255.0 9.9.9.9 global track 2
>
> Leaking then occurs, traffic is not reaching next-hop 9.9.9.9, but rather
> goes
> to some router defined in the global routing table, which has a 9.0.0.0/8entry.
> My tracker object is correctly defined inside the vrf Internet and is
> flagged
> UP.
>
> I rollback to a non-tracked route : no global keayword added, no leaking,
> everything is fine.
>
> Have no idea what's happening here. Got the same config on a 6509
> 12.2.33sxh,
> works like a charm. What error did I do ?
>
> Jerome Covini
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