Do you have any span sessions enabled? Dale
Thus spake Matthew Huff ([email protected]) on Fri, Dec 09, 2011 at 01:48:35PM -0500: > We have a multicast data stream (real-time ticker data) that by its nature is > very bursty. > > When we connect a source server via gigabit Ethernet to our 6500/sup720 > switch via a 6748 module and a destination server via gigabit to the same or > different module in the same switch, everything works fine. If the > destination server is on a different switch connected by a layer3 10GB > connection then we have significant output drops on the Ethernet connected to > the destination server. > > All switches are 6509/sup720 with 6748 line cards. QoS is disabled globally. > The servers are identical. The output drops only occur on the Ethernet drop > connected to the server. > > The only thing I can think is happening is that by routing the traffic via > the 10gb L3 interface, something is causing the traffic burst to amplify, > overrunning the output port. Has anyone seen this, and does anyone know how > to mitigate this? > > ---- > Matthew Huff | 1 Manhattanville Rd > Director of Operations | Purchase, NY 10577 > OTA Management LLC | Phone: 914-460-4039 > aim: matthewbhuff | Fax: 914-460-4139 > > _______________________________________________ > cisco-nsp mailing list [email protected] > https://puck.nether.net/mailman/listinfo/cisco-nsp > archive at http://puck.nether.net/pipermail/cisco-nsp/ _______________________________________________ cisco-nsp mailing list [email protected] https://puck.nether.net/mailman/listinfo/cisco-nsp archive at http://puck.nether.net/pipermail/cisco-nsp/
