[nsp] MTU >1500 on 2900XL

Ezequiel Carson ezequiel at ifxnw.com.ar
Sun Sep 21 02:14:29 EDT 2003


Thanks.
       i was able to run frames bigger than 1500 on 2924-XL, im passing
MPLS VPN  frames thru a dot1q trunk. Everything is running well, there
is no drops with 1500 bytes DF=>YES, but the ports is still counting
giants error. May be this is a BUG.

ezequiel.

On Wed, 2003-09-03 at 10:55, jlewis at lewis.org wrote:
> The only MPLS we're doing is MPLS VPN.  In a few places, we're doing MPLS 
> VPN and dot1q VLANs through 2924xl-en's.
> 
> On Wed, 3 Sep 2003, Ezequiel Carson wrote:
> 
> > Hi Jon,
> > 	Are you passing MPLS Frames with 2 labels? like VPN's frames?
> > 
> > Thanks
> > Ezequiel.
> > 
> > On Tue, 2003-09-02 at 22:06, jlewis at lewis.org wrote:
> > > On Tue, 2 Sep 2003, Ezequiel Carson wrote:
> > > 
> > > > Hello,
> > > > 	i would like to know if Cisco 29xx (i.e 2924) supports frames bigger
> > > > than 1500 bytes. Example, 1508.
> > > 
> > > AFAIK, only the XL-EN models, and you may need an IOS upgrade.  Then you 
> > > can
> > > 
> > > (config-if)#mtu ?
> > >   <1500-2018>  MTU size in bytes
> > > 
> > > I've got several 2924XL-EN's passing MPLS tagged packets >1500 octets.  
> > > c2900xl-c3h2s-mz.120-5.WC5.bin can definitely do it.
> > > 
> > > ----------------------------------------------------------------------
> > >  Jon Lewis *jlewis at lewis.org*|  I route
> > >  System Administrator        |  therefore you are
> > >  Atlantic Net                |  
> > > _________ http://www.lewis.org/~jlewis/pgp for PGP public key_________
> > > 
> > > _______________________________________________
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> > > 
> > > 
> > 
> > 
> 
> ----------------------------------------------------------------------
>  Jon Lewis *jlewis at lewis.org*|  I route
>  System Administrator        |  therefore you are
>  Atlantic Net                |  
> _________ http://www.lewis.org/~jlewis/pgp for PGP public key_________
> 
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