On Sat, Jan 28, 2012 at 11:03 PM, Tod Hansmann <[email protected]> wrote: > I'm guessing this has to do with VLAN tagging, and I'm not entirely sure > how all that works in virtual hosts let alone kvm/libvirt which I've > never used thus far. The VLAN tagging could be working on Set X > specifically because it has the 3rd interface. I don't know what that > 3rd interface translates into on the wire, and on which of the 3 host's > wires, but it's probably more telling than you're giving it credit for.
I don't know... when pinging from a virt guest that works to another that doesn't, the packets shouldn't even hit the switch. Everything is untagged until then. More ascii flowcharting follows: virt-guest-x NIC => virt-host NIC => bridge-x => virt-host NIC virt-guest-x NIC So, no CAT5, VLAN or switch in that case. Just the bridge and virtual interfaces. > Sorry I don't have more specific ideas on this. I'm kind of hoping a > sounding board effect will be beneficial for you here, as your situation > is very specific. Call me if you want to keep bouncing ideas back and > forth. You're kind to offer; if it gets bad, I just might :) Best, Gabe /* PLUG: http://plug.org, #utah on irc.freenode.net Unsubscribe: http://plug.org/mailman/options/plug Don't fear the penguin. */
