[c-nsp] label-allocation-mode per-ce Operational experience

[Adam Vitkovsky]

So basically,
Per-prefix = per "destination prefix"
Per-ce = per next hop

The only scenario I can imagine that would benefit form the default behavior
of per-prefix label allocation is

PE connects to multiple CEs via one link to a L2 switch and the CEs run IGP
with the PE

adam

-----Original Message-----
From: cisco-nsp-bounces at puck.nether.net
[mailto:cisco-nsp-bounces at puck.nether.net] On Behalf Of Adam Vitkovsky
Sent: Wednesday, November 14, 2012 5:36 PM
To: 'Saku Ytti'; cisco-nsp at puck.nether.net
Subject: Re: [c-nsp] label-allocation-mode per-ce Operational experience

>If your options are 'per-ce' and 'per-prefix' I don't understand 
>difference

How I understood it is as follows:
per-prefix = if my ebgp peer in vrf sent me 3 prefixes each will get a
unique label -which sounds pointless per-ce = if my ebgp peer in vrf sent me
3 prefixes each will get the same label per-vrf = I will allocate single
label to represent all prefixes received from all ebgp neighbours -thus
requirement for additional lookup


adam

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