[nsp] ESR 10008 MPLS Tunnel woe

Gert Doering gert at greenie.muc.de
Sun Apr 25 12:39:08 EDT 2004


Hi,

On Sat, Apr 24, 2004 at 09:47:17PM +0100, Nic McCartney wrote:
> When I send traffic from 7513a -> 7513c then I see my pings go OK but the
> traffic does not appear to be going over the tunnel ESR10K->7513b. By this I
> mean the stats do not show anything. The tunnel stats are all
> zeros. Funny thing is this, if I am on ESR10K and ping to 7513c then the
> Tunnel stats *do* increment.

Not having any experience with ESR10Ks, I can assume that it's one of the
"CEF tunnel" bugs.  The packets actually go through the tunnel, but 
the CEF switching path doesn't update the counters (or decrement the
packet TTL - so traceroute will be weird as well).

gert
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Gert Doering - Munich, Germany                             gert at greenie.muc.de
fax: +49-89-35655025                        gert at net.informatik.tu-muenchen.de


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