On Thu, Nov 23, 2006 at 09:45:20AM +0100, Bertho Stultiens wrote: > Darryl Bond wrote: > > I managed to get it to work something along the lines of your first > > method before I read your email. I was also unsuccessful using your > > second method. > > It still eludes me why the second method does not work, but the first > seems to be ok too. Users cannot change set setup, so there is no real > risk involved. > > > [snip] > > I found that if I used VLANs on the Dom0 on eth0 then the trunk would > > not pass through to the guests, Hence why Dom0 is not using VLANs on eth0. > > I did not do much research to discover why except that the instant I > > removed the VLANs from Dom0 eth0 the VLAN networks started working on > > the guest. > > You have to take care here because in Dom0 you have ethX and pethX. > Vlans on ethX(dom0) will work whereas those on peth0 apparently do not > as expected. My current setup is like this: > > peth0 -> xenbr0 -> vif0.0 -> eth0(Dom0)+IP-> eth0.42+IP > -> vif1.0 -> eth0(Guest1) -> eth0.42+IP > -> vif2.0 -> eth0(Guest2) -> eth0.42+IP > -> ... > > Dom0 is part of vlan 42 and my management (no routing between them > enabled though). The uplink peth0 is a trunk with management untagged > and vlan 42 tagged. > > My guess why the other setup has problems lies in several parts. > Firstly, the management MAC address (default fe:ff:ff:ff:ff:ff) of the > second bridge must be different. I forgot to change that and have had > problems with that before with STP enabled (bridge can otherwise not be > uniquely identified). And secondly, juggling with peth0.X can only be > done after xen has remapped the interfaces. The remapping occurs after > the original network is brought up. I need to go through the xen scripts > to get that right, I guess. > > I'll have to do some more experimenting to get this pinned down because > it actually is interesting to have bridges that can swap/map/juggle vlan > tags. > Hi! Did you figure out the correct way to do this? (set up bridge per vlan interface in dom0, and export/bridge only untagged frames to domU's). -- Pasi -- Fedora-xen mailing list Fedora-xen@xxxxxxxxxx https://www.redhat.com/mailman/listinfo/fedora-xen