[c-nsp] EoMPLS issue between 3750-ME and 7600-ES card

[Ivan Gasparik]

Hi

You can set the MTU on each subinterface separately:

interface GigabitEthernet1/0/0.1
 encapsulation dot1Q 1
  xconnect 1.2.3.4 10 encapsulation mpls
   mtu 1998

The same applies for PW configured inside service instance.
You'll need at least 12.2(33)SRC on the 7600 to support that feature.

Ivan


On Thursday 15 October 2009, samuel vuillaume wrote:
> Hi guys,
>
> here's my diagram:
>
>
> 6500-----(ES40 card) 7600------------------- (ES port)
> 3750ME(FastEthernet 1 port)---------------
>
> I'm currently running a PW between the ES card and the 3750ME (FE
> port), and it doesn;t work due to an MTU issue:
>
> ES Card : 9000 bytes
> FastEthernet on 3750: 1998 bytes max
>
> MPLS is up and running, but my PW doesn't come up if i don't drop
> the MTU on the ES Card to 1998 bytes. I'd like to keep 9K bytes on
> the ES, and don't burn my gigabitport on the 3750.
>
> Is there a way of bringing up this PW, ignoring the MTU negociation
> between the ES card and the 3750 FE1 port? i've tried to play with
> mpls mtu on the 3750 FE port, but nothing...
>
> tks
> Sam
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