MPLS/MEF Switches and NIDs

Mark Tinka mark at
Mon May 31 05:04:32 UTC 2021

On 5/29/21 04:17, Patrick Cole wrote:

> We ran a medium sized mpls network using ciena 3900 and 5000 series 
> boxes on our microwave network.
> Nothing but problems, the mpls code was just not mature enough and our 
> radio network had the boxes falling apart at the seams as storms 
> rolled through.  At that time they didn't support FRR or proper CSPF 
> so everything had to be manually engineered active standby LSPs. Not 
> sure if things have changed now. These boxes have Nortel vintage and 
> they seemed best delloyed using PBB TE as it was mature.

Yep, same issues we heard from our last mile partner here in South Africa.

As a DWDM system, Ciena are great (we use them both on the dry and wet 

As a packet box, I have no experience, but this is likely due to 
instinctive reasons :-).


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