Jason Dixon wrote: > On Thu, Jun 11, 2009 at 10:11:05PM -0400, Steffen Weiberle wrote: >> On 06/11/09 20:58, Jason Dixon wrote: >>> Description >>> Duplicate packets are generated whenever an aggregate is introduced >>> into the network configuration. We've ruled out switch ports and >>> physical bge interfaces as problematic. It only manifests when an >>> aggregation datalink exists in the configuration, regardless of whether >>> it aggregates multiple physical interfaces (e.g. bge0 and bge1) or a >>> single physical interface (e.g. bge0). >>> >>> The duplicates are only generated by the OpenSolaris host. There are no >>> inbound duplicates. The duplicates always come from the same physical >>> interface. Tested with ICMP (ping) and TCP (http) connections. >>> >>> Steps to Reproduce >>> Create aggr0 consisting of one or more bge interfaces. Create a >>> global0 vnic on top of aggr0. Plumb global0 and configure it on the >>> network. Ping the address for global0. >> can't speak for the bug status. >> >> so you are saying that if you create a VNIC on top of the aggr you see >> the system send duplicates, and when you plumb and use the aggr directly >> you don't? and only on bge. > > Best to give examples: > > bge0 in global: no duplicates > bge1 in global: no duplicates > global0 (vnic) on bge0: no duplicates > global0 (vnic) on bge01 no duplicates > vlan2000 (vlan) on bge0: no duplicates > vlan2001 (vlan) on bge1: no duplicates > global0 (vnic) on aggr0 (aggr) on bge0: duplicates > global0 (vnic) on aggr0 (aggr) on bge1: duplicates > global0 (vnic) on aggr0 (aggr) on bge0,bge1: duplicates > > I don't think I attempted to plumb and configure aggr0 directly. I can > attempt this tomorrow if you feel it's necessary.
Yes that would be interesting to know. Also can you confirm that you are seeing only duplication of packets sent by the host, not in the inbound direction? Also do you see all unicast + multicast packets duplicated? Nicolas. -- Nicolas Droux - Solaris Kernel Networking - Sun Microsystems, Inc. nicolas.droux at sun.com - http://blogs.sun.com/droux
