Dear Luca, You can use: ovs-vsctl list bridge "bridge_name" to see ports plugged to this bridge. If both VM's NICs are plugged, they should ping each other.
Cheers, 2013/10/11 Luca Salvatore <l...@ninefold.com> > I'm trying to test how GRE isolation works in cloudstack 4.2 > I have deployed two VMs In a single zone on two different hosts. > The first VM works fine, however the second VM does not receive an IP > address from the virtual router. It seems the GRE tunnel is not build > between the two XenServers so when the second VM boots it is unable to > contact the virtual router since it is running on a different host. > > The way I have configured the XenServer networking is: > Two physical NICs > One NIC for the Public,Management and storage network, using VLAN isolation > The other NIC for the guest network using GRE. > The guest NIC on the XenServers have an IP and the XenServers can talk to > each other over that NIC. > > It just seems as though OVS on the XenServers is not building the GRE > tunnel, not sure how to troubleshoot this. > Any suggestions? > -- > Luca Salvatore > Senior Network & Security Engineer > > [cid:7482C0C1-36E7-4CCB-8CA5-720ACD9C856C] > > > > > > Direct +61 2 8221 7132 | Mobile +61 414 700 383 > Email l...@ninefold.com<mailto:l...@ninefold.com> | Twitter @ninefold< > http://www.twitter.com/ninefold> > > Australia's Cloud | Ninefold<http://www.ninefold.com/> > Sign up in seconds. Start using in minutes. Benefit for years > > -- N.g.U.y.e.N.A.n.H.t.U
