[c-nsp] BGP Signalled VPLS

[Adam Vitkovsky]

> advertisement and the use of a split-horizon label appended to
multi-destination packets. 
Or in case of the PBB overlay simply by common b-mac source address. 

Aaron there are plenty of presentations from Cisco, Juniper and even IETF I
suggest to read them all. 
What I have noticed in Cisco presentations is that they get slides regarding
EVPN added over time as the topic gets more and more profound. 

adam
-----Original Message-----
From: Aaron [mailto:aaron1 at gvtc.com] 
Sent: Tuesday, April 23, 2013 7:42 PM
To: bep at whack.org
Cc: 'Caillin Bathern'; cisco-nsp at puck.nether.net; adam.vitkovsky at swan.sk;
'Saku Ytti'
Subject: RE: [c-nsp] BGP Signalled VPLS

Well why didn't you just say so!  Haha, Seriously, thanks a bunch bep.  I'll
begin reading up on this.

Aaron

-----Original Message-----
From: Bruce Pinsky [mailto:bep at whack.org]
Sent: Tuesday, April 23, 2013 12:19 PM
To: Aaron
Cc: 'Caillin Bathern'; cisco-nsp at puck.nether.net; adam.vitkovsky at swan.sk;
Saku Ytti
Subject: Re: [c-nsp] BGP Signalled VPLS

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Aaron wrote:
> Thanks Caillin/Saku/Adam, this differentiation of VPLS LDP Sig 
> compared to BGP Sig as it relates to loop prevention during redundant 
> pe/ce at edge is of interest to me...(I actually had a l2 forwarding 
> loop scare me to death and had to shut down backside c-to-c during 
> maintenance window a few months ago)....i walked away from that with a 
> big question in my head as to how does customer spanning tree feed 
> into the loop prevention of split horizon groups within a vpls as how 
> pw forwarding treatment occurs...and I thought to myself , it probably 
> doesn't... which has had me wondering about this for a few months....
> 
> BUT, now y'all mention that bgp signaled vpls as it relates to 
> redundant pe/ce avoids this.... correct?  I have adam's link, thanks 
> adam, but does anyone have more links related to understanding all that?
> 
> Adam's implementation link....
> 
> http://www.cisco.com/en/US/docs/routers/asr9000/software/asr9k_r4.3/lx
> vpn/co
> nfiguration/guide/lesc43pbb.html#wp1183684
> 

By the selection of a Designated Forwarder via the Ethernet AD route
advertisement and the use of a split-horizon label appended to
multi-destination packets.

- --
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bep

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