This doesn't seem to work with an IPIP tunnel created using the "ip tunnel add" command.
This is what I did on both machines: ip tunnel add net1 mode ipip remote <remote_addr> local <local_addr> ttl 255 ifconfig net1 192.168.255.12/24 up # on machine 1 ifconfig net1 192.168.255.13/24 up # on machine 2 I was able to ping machine1 from machine2 and ssh into either machine. On doing ifconfig net1 0.0.0.0 up ovs-vsctl add-port br0 net1 ifconfig br0 192.168.255.12/24 up # on machine 1 After doing this, route -n showed Destination Gateway Genmask Flags Metric Ref Use Iface 192.168.255.0 0.0.0.0 255.255.255.0 U 0 0 0 br0 After this, I wasn't able to ping the machines any more. Am I going wrong somewhere? Thanks. On Tue, Jul 12, 2011 at 11:49 PM, Justin Pettit <[email protected]> wrote: > On Jul 12, 2011, at 11:34 PM, Nicholas Bastin wrote: > > > On Wed, Jul 13, 2011 at 02:31, Aniruddha Laud <[email protected]> > wrote: > >> I am following the cookbook at http://openvswitch.org/?page_id=146 . I > don't > >> want to create one single bridge, but I want to be able to have open > >> vswitches running on different hosts and still be able to talk to each > >> other. In short, I want to remove the eth0 - eth0 connection mentioned > in > >> the cookbook and replace it with a tunnel if possible, so that a VM on > host1 > >> can communicate with a VM on host2. > > > > It probably depends on the type of tunnel, but I don't see any problem > > with this. Ben or Justin might have more input on what kinds of > > interfaces you can use, but I would think that if you create any > > tunnel that creates an interface, you're ok - just add that interface > > to the bridge (instead of, or in addition to, eth0). > > > Sounds about right to me. OVS supports a couple different tunnel types, > but here's a command to attach a GRE tunnel to a bridge: > > ovs-vsctl add-port br0 gre0 -- set interface gre0 type=gre > options:remote_ip=192.168.128.2 > > The physical interface (e.g., eth0) doesn't need to be attached to the > bridge, since the host's IP stack will be used. > > --Justin > > >
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