[j-nsp] GRE Tunnel - No Transit Traffic

[Dan Rautio]

Does all transit traffic not work or could it be just big packets don't
work?

Could be an mtu issue.  Maybe one of the links within the tunnel has a
small mtu size?

You could try to ping with different mtu sizes.

- Dan

> -----Original Message-----
> From: juniper-nsp-bounces at puck.nether.net 
> [mailto:juniper-nsp-bounces at puck.nether.net] On Behalf Of 
> Mellott, Eric
> Sent: Wednesday, September 06, 2006 12:56 PM
> To: Harshit Kumar; juniper-nsp at puck.nether.net
> Subject: Re: [j-nsp] GRE Tunnel - No Transit Traffic
> 
> 
> Definitely using the gr-x/y/x versus gre.  I will see what 
> can do about
> a config.
> 
> 
> Thanks,
> Eric
> 
> 
> -----Original Message-----
> From: Harshit Kumar [mailto:harshit at juniper.net] 
> Sent: Wednesday, September 06, 2006 1:50 PM
> To: Mellott, Eric; juniper-nsp at puck.nether.net
> Subject: RE: [j-nsp] GRE Tunnel - No Transit Traffic
> 
> Eric,
>         Can you provide your config ? Hope you are using
> The gr-x/y/z interface created by a tunnel or an asp pic and not
> The "gre" interface.
> 
> Thx
> Harshit
>  
> 
> -----Original Message-----
> From: juniper-nsp-bounces at puck.nether.net
> [mailto:juniper-nsp-bounces at puck.nether.net] On Behalf Of 
> Mellott, Eric
> Sent: Wednesday, September 06, 2006 8:44 AM
> To: juniper-nsp at puck.nether.net
> Subject: [j-nsp] GRE Tunnel - No Transit Traffic
> 
> Having problems with a couple M10i's running 7.3R3.6 with tunnel
> pics...I have configured GRE tunnels between the routers and 
> am able to
> get routing protocols to work over the tunnels.  However, I 
> am not able
> to get transit traffic to traverse the tunnels in either 
> direction.  The
> routes to the remote network are via the tunnel, but can't get the
> traffic to go.  When monitoring both routers' interface statistics, I
> can see input and output packets increase along with remote output
> packets, however; I can never see remote input packets increase from
> either end.   Could there be a compatibility issue with the tunnel pic
> and the version of code I am running?  Anybody see this 
> symptom before?
> 
>  
> 
> Thank you,
> 
> 
> 
> Eric Mellott
> 
>  
> 
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