[c-nsp] Multicast over VPLS
alaerte.vidali at nsn.com
alaerte.vidali at nsn.com
Fri Nov 30 07:29:16 EST 2007
Hi and thanks,
>>Other way is to make circuit loop on R3 and establish vc-lsps between R2 and R3 then R3 and R4
If I establish VC-LSP from R2---R3, and VC-LSP from R3---R4, how would R3 switch what it received from R2 to R4?
Throught layer 3?
Br,
Alaerte
-----Original Message-----
From: ext Zitouni Rachid [mailto:rzitouni at prosodie.com]
Sent: Friday, November 30, 2007 7:39 AM
To: Vidali Alaerte (NSN - BR/Rio de Janeiro); cisco-nsp at puck.nether.net
Subject: RE: [c-nsp] Multicast over VPLS
No solution within a single vpls domain wich is by definition a broadcast domain.
If you have a vc-lsp between R2 and R3 and a vc-lsp between R2 and R4 You can optimize using igmp snooping on vc-lsp avoiding unnecessary multicast replication.
Other way is to make circuit loop on R3 and establish vc-lsps between R2 and R3 then R3 and R4
HiH
Rachid
-----Message d'origine-----
De : cisco-nsp-bounces at puck.nether.net [mailto:cisco-nsp-bounces at puck.nether.net] De la part de alaerte.vidali at nsn.com Envoyé : jeudi 29 novembre 2007 19:30 À : cisco-nsp at puck.nether.net Objet : [c-nsp] Multicast over VPLS
Hi,
Any information about what draft Cisco is considering/will adopt to solve bandwidth waste issue with Multicast over VPLS?
Besides standard, do you see any solution currently available to avoid PE to send several flows of the same multicast over a single link on ring topology?
Topology:
VPLS between R2/R3/R4/R5
user user
| |
Multicast_Server------R1-----R2-----R3-----R4----R5
By default, R2 will send 3 times the same flow on link R2---R3.
Tks a lot,
Alaerte
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