On Thu, Jan 19, 2012 at 6:31 PM, Vijay Chander <vijay.chan...@gmail.com> wrote: > We are having performance issues with XEN as opposed to VMWARE. > > Pls take a look at the following cases (OVS - open vswitch, Bridge - native > linux bridging) > > Case 1 (no VM guest tagging): VM1 VNIC1 ---- (no tag) --- OVS > ---(vlan X) --- PNIC1 ------(vlan X)--------- PNIC2 ---- (vlan X) > ---- OVS --- (no tag) --- VNIC2 ---- VM2 > Case 2 (no VM guest tagging): VM1 VNIC1 ---- (no tag) --- Bridge > ------ PNIC1 ------(vlan X)--------- PNIC2 ---- (vlan X) ---- > Bridge --- (no tag) --- VNIC2 ---- VM2 > Case 3 (VM guest tagging): VM1 VNIC1 ---- (vlan X) --- OVS > ---(vlan X) --- PNIC1 ------(vlan X)--------- PNIC2 ---- (vlan X) > ---- OVS --- (vlan X) --- VNIC2 ---- VM2 > Case 4 (VM guest tagging): VM1 VNIC1 ---- (vlan X) --- Bridge > ---(vlan X) --- PNIC1 ------(vlan X)--------- PNIC2 ---- (vlan X) > ---- Bridge --- (vlan X) --- VNIC2 ---- VM2 > > Case 4 does not work. So we moved to using OVS (open vswitch) because Case 3 > works. > > But performance for Case 2 is much better than performance for Case 1. This > is making us think > about using bridging instead of open vswitch. Any reason why this is the > case ?
The was a bug in the version of Open vSwitch that shipped with XenServer 6.0. Citrix has issued a hotfix: http://support.citrix.com/article/CTX131745 _______________________________________________ discuss mailing list discuss@openvswitch.org http://openvswitch.org/mailman/listinfo/discuss
