> Victor Sudakov
> Sent: Saturday, January 23, 2016 7:06 AM
>
> Dear Colleagues,
>
> There is an IP MPLS network with MTU=1600 on all routers' interfaces.
> There are plans to add some backup Ethernet links whose maximum frame
> size cannot exceed 1500 (hardware limit).
>
> Is there any way those links can be put to any good use in the MPLS
> network?
>
> Thanks in advance for any input.
>
Dear Victor,
If you are using MPLS routers that perform forwarding in SW you can test in the
lab if they would be able to handle the fragmentation so during the failure of
primary link they would have to fragment.
Otherwise the fragmentation would have to be done on CE routers which is
something that some customers might not be happy about.
adam
Adam Vitkovsky
IP Engineer
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