On Fri, 2011-01-14 at 12:28 -0600, Dan Letkeman wrote: > 3560 or 3560G. > > (C3560-IPSERVICESK9-M), Version 12.2(53)SE2
There have been extensive dialogue about (the lack of) buffering on that platform on this very list many times. Search the archives or Google to find out. > Interface config: > > interface Port-channel2 > switchport trunk encapsulation dot1q > switchport trunk native vlan 3009 > switchport trunk allowed vlan 8,10,1008,1101,3009 > switchport mode trunk > end > > I see more output drops during higher traffic, but I still see drops > during low traffic rates. Always more on one interface. > > I do have auto qos enabled for some of the phones I have connected to > the switches, but I don't have any qos on the etherchannel trunks. > > I'm just using the default etherchannel load balancing algorithm. You can't configure QoS on the port-channels on the 3560, so the interesting part is the physical interfaces. Auto-QoS is IMHO a very bad idea on this platform; you carve your buffers up in a very non-optimal fashion that way. -- Peter _______________________________________________ cisco-nsp mailing list [email protected] https://puck.nether.net/mailman/listinfo/cisco-nsp archive at http://puck.nether.net/pipermail/cisco-nsp/
