[c-nsp] L2TPv3 tunnel - one-way only

Rodney Dunn rodunn at cisco.com
Tue Jul 1 16:54:03 EDT 2008


What boxes?

I saw this once with the 3845 (I think it was) where the LAN interface
was not going in to promiscuous mode to rx all mac frames.

Check the VC and see if you only see tx or rx counters and on which
box.

Also check 'sh controller' to see if there is a promiscuous mode in it.

Rodney


On Tue, Jul 01, 2008 at 04:39:44PM -0400, Steven Pfister wrote:
> I've got an L2TPv3 tunnel set up between our central location and one of our remote sites. Everything looks OK, but data is only flowing one way (from the central side to the remote side, it looks like). Has anyone seen anything like this?
> 
> Thanks!
> 
> Steve Pfister
> Technical Coordinator, 
> The Office of Information Technology
> Dayton Public Schools
> 115 S. Ludlow St. 
> Dayton, OH 45402
>  
> Office (937) 542-3149
> Cell (937) 673-6779
> Direct Connect: 137*131747*8
> Email spfister at dps.k12.oh.us
> 
> 
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