Thanks for confirmation. So i have to investigate instead with iptables rules that were in place with standard bridges and now I have to translate them with Open vSwitch and brcompat Il giorno 10/ago/2012 18:15, "Ben Pfaff" <[email protected]> ha scritto:
> On Fri, Aug 10, 2012 at 12:58:31PM +0200, Gianluca Cecchi wrote: > > Hello, > > having two nodes with CentOS 6.3, each one with Open vSwitch 1.6.1. > > On each node there is a vm and I want to make an RHCS cluster between > > these two virtual machines cross hosts. > > > > At this moment I have on each host something like this > > Bridge "br0" > > Port "brvlan65" > > tag: 65 > > Interface "brvlan65" > > type: internal > > Port "vnet2" > > tag: 65 > > Interface "vnet2" > > Port "vnet0" > > tag: 66 > > Interface "vnet0" > > Port "brvlan66" > > tag: 66 > > Interface "brvlan66" > > type: internal > > Port "bond0" > > trunks: [65, 66] > > Interface "eth3" > > Interface "eth2" > > Port "br0" > > Interface "br0" > > type: internal > > > > Where: > > vnet0 is the network adapter of the VM on production network (eth0 for > the VM) > > vnet6 is the network adapter of the VM on intracluster network (eth1 for > the VM) > > > > virtual machines are able to ping each other through the intracluster > > interface (using -I option of ping), but are not able to make the > > cluster. > > I suspect it could depend on multicast messages not passing between them. > > What makes you suspect that? > > Open vSwitch treats multicast the same as broadcast. ARP uses > broadcast, so if the machines can talk to each other over IP (without > statically configured MAC addresses) then it's unlikely that OVS is > causing trouble with multicast. >
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