From: Reinhold Fischer (Reinhold.Fischer@xxxxxxx)
Date: Mon Dec 03 2001 - 12:33:41 GMT-3
You are totally right, a mapping problem between layer 2 and layer 3.
What results does a 'show arp' give ? Do a 'debug arp' and look if it is
related. Maybe the host does not respond to the ARP request because
it has a wrong IP address or something similar.
HTH
Reinhold
On Mon, 3 Dec 2001, Jason Gardiner wrote:
> I've had some issues where I have been unable to ping a local/remote
> router interface. Ordinarily this has occured with Frame and Dialer
> interfaces. A debug ip packet shows encapsulation failed, which would
> indicate that there is no mapping between the layer 2 and 3. Once the
> mapping is in place, everything works as it should.
>
> Okay, now does anyone know why I would see this on an Ethernet
> interface? Both the local and remote interfaces are on the same VLAN
> (and are the only devices on it) and everything looks okay from the
> switch perspective as far as I can tell (i.e. neither port is disabled
> and are showing pretty normal status operationally). Any pointers would
> be appreciated.
> --
> Thanks,
>
> Jason Gardiner
> Supervisor, Engineering Services
> Sprint <Insert Division Name>
>
> "You can swim all day in the Sea of Knowledge and
> still come out completely dry. Most people do."
>
> - Norton Juster
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