I was under the impression that the total bandwidth available per four-port group was 40G, so the limiting factor on the 6708 was backplane connectivity (2x20G), but perhaps that has more to do with multicast replication capacity. What is this 16G limit you're referring to?
John On Tue, Mar 22, 2011 at 10:28 AM, Mack McBride <mack.mcbr...@viawest.com> wrote: > I had forgotten about that break out session but it does correspond with what > I thought. > The over-subscription per four port group is 10G on the 6716 as opposed to > 16G on the 6708. > > Mack > > -----Original Message----- > From: cisco-nsp-boun...@puck.nether.net > [mailto:cisco-nsp-boun...@puck.nether.net] On Behalf Of Sergey Nikitin > Sent: Tuesday, March 22, 2011 1:17 AM > To: D B > Cc: cisco-nsp@puck.nether.net > Subject: Re: [c-nsp] Understanding 10G line card oversubscription > > Try to look at this: > > http://depositfiles.com/ru/files/j2b46xu52 > > or google BRKARC-3465, page 33/34. > > D B wrote: >> I'm looking for in-depth documentation on switch fabric oversubscription for >> these two 10G line cards: >> WS-X6708-10GE >> WS-X6716-10GE >> >> I'd like to understand its design and operation regarding these cards. Also, >> how to identify/quantify instances where oversubscription is nearing/hitting >> thresholds that will cause packet drops (SNMP?). >> _______________________________________________ >> cisco-nsp mailing list cisco-nsp@puck.nether.net >> https://puck.nether.net/mailman/listinfo/cisco-nsp >> archive at http://puck.nether.net/pipermail/cisco-nsp/ >> > _______________________________________________ > cisco-nsp mailing list cisco-nsp@puck.nether.net > https://puck.nether.net/mailman/listinfo/cisco-nsp > archive at http://puck.nether.net/pipermail/cisco-nsp/ > > _______________________________________________ > cisco-nsp mailing list cisco-nsp@puck.nether.net > https://puck.nether.net/mailman/listinfo/cisco-nsp > archive at http://puck.nether.net/pipermail/cisco-nsp/ > _______________________________________________ cisco-nsp mailing list cisco-nsp@puck.nether.net https://puck.nether.net/mailman/listinfo/cisco-nsp archive at http://puck.nether.net/pipermail/cisco-nsp/
