[j-nsp] MX80 port-mirror on MPLS interface

[Leigh Porter]

> > Ethernet, IP, CCC, VPLS etc all seems supported, but when I specify
> family in any filter of forwarding-options for port-mirroring there is
> no family mpls available.
> 
> I think we need ERSPAN IETF draft, so you can export the original l2,
> regardless what headers you have afterwards.
> Why you cannot do this today, is because GRE wants ethertype, and there
> isn't ethertype for 'the original L2 frame'. Cisco has reserved 0x88be
> and 0x22eb for this. This is just too useful feature to be proprietary.
> There probably should be two version of this standard, one with shim
> header (like ERSPAN) and one without shim header (if that will allow it
> to be implemented by more currently shipping hardware)

It would be lovely if I could just do a simple Layer 2 port mirror to another port..

Oh well! I'll have to switch it through another box I suppose.

--
Leigh



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