[c-nsp] Layer Two tunneling question (advice needed)

[John Neiberger]

On Tue, Jan 4, 2011 at 3:32 AM, Gert Doering <gert at greenie.muc.de> wrote:
> Hi,
>
> On Mon, Jan 03, 2011 at 05:23:27PM -0700, John Neiberger wrote:
>> DeviceA ------ [6500] -------(fiber run to different site)--------
>> [6500] ------- DeviceB
>
> With 6500s, you have two options:
>
>  - make the "fiber run" a trunk, having the existing routed link as
>   "just one vlan" on the trunk, add the legacy-device VLAN as switched
>   vlan onto the trunk
>
>  - run EoMPLS  (ethernet briding over MPLS)
>   requirements:
>     - Sup32 or Sup720 (PFC3B or PFC3C) [simplified]
>     - advanced IP services
>     - larger-than-1500 MTU on the routed interconnect (mpls mtu 1526
>       or 1530 minimum)
>

It looks like EoMPLS might solve our problem in the simplest way and I
have verified that MPLS is in the code we're running. I'll check into
that some more.

Thanks for everyone's help!

John