One added note is that there are port pairs on the 6708 line card and those port pairs are 16G to connect to the next layer ASIC. That means that a pair of ports can only handle 16G of traffic where they could receive or send 20G.
See my post from 2011. http://www.gossamer-threads.com/lists/cisco/nsp/145906 Mack McBride | Senior Network Architect | ViaWest, Inc. O: 720.891.2502 | C: 303.720.2711 | mack.mcbr...@viawest.com | www.viawest.com -----Original Message----- From: cisco-nsp [mailto:cisco-nsp-boun...@puck.nether.net] On Behalf Of Saku Ytti Sent: Thursday, June 02, 2016 10:26 AM To: Ben Hammadi, Kayssar (Nokia - TN/Tunis) Cc: cisco-nsp@puck.nether.net Subject: Re: [c-nsp] 6509 weird pps value On 2 June 2016 at 17:43, Ben Hammadi, Kayssar (Nokia - TN/Tunis) <kayssar.ben_hamm...@nokia.com> wrote: Hey, > On the 6708 linecard The fabric asic has 20G and these combine two > pairs: 1,4,5,7 and 2,4,6,8 Traffic between ports in these groups does not go > over the fabric and is not counted against that BW, what about traffic > between groups exemple from port 1 to port 2 in same linecard does go over > the fabric ? Exactly. Inside fabric channel they use local switching and never leave linecard. Between fabric channels (Same card or not) they use fabric. -- ++ytti _______________________________________________ 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/ This message contains information that may be confidential, privileged or otherwise protected by law from disclosure. It is intended for the exclusive use of the addressee(s). Unless you are the addressee or authorized agent of the addressee, you may not review, copy, distribute or disclose to anyone the message or any information contained within. If you have received this message in error, please contact the sender by electronic reply and immediately delete all copies of the message. _______________________________________________ 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/
