[ovs-discuss] Connection problem between VMs and the Openvswitch

Justin Pettit jpettit at nicira.com
Sat Apr 28 21:20:38 UTC 2012


Based on the output, it looks like you only have tap0 attached to your bridge.

--Justin


On Apr 28, 2012, at 1:22 PM, Anisha Kolasani wrote:

> Thank you for your reply.
> My settings are:
> $ ovs-vsctl show
> 12681540-b7fe-4f22-8c25-8371ae195eb5
> Bridge "br0"
>     Port "tap0"
>        Interface "tap0"
> Port "br0"
>        Interface "br0"
>        type: internal
> Port "eth1"
>         Interface "eth1"
> Port "tap1"
>         Interface "tap1" 
> 
> anisha at ll-OptiPlex-380:~$ sudo ovs-ofctl dump-flows br0
> NXST_FLOW reply (xid=0x4):
> cookie=0x0, duration=3573.533s, table=0, n_packets=1119, n_bytes=203327, priority=0 actions=NORMAL
> 
> 
> I have an interface 'virbr0', added to my PC. 
> virbr0 Link encap:Ethernet HWaddr 8a:2a:72:7f:6f:91
> inet addr:192.168.122.1 Bcast:192.168.122.255 Mask:255.255.255.0
> UP BROADCAST MULTICAST MTU:1500 Metric:1
> RX packets:0 errors:0 dropped:0 overruns:0 frame:0
> TX packets:0 errors:0 dropped:0 overruns:0 carrier:0
> collisions:0 txqueuelen:0
> RX bytes:0 (0.0 B) TX bytes:0 (0.0 B)
> 
> 
> Thank you,
> Anisha.
> 
> 
> On Sat, Apr 28, 2012 at 7:34 AM, Sergio Kviato <sergius_kvantos at yahoo.co.uk> wrote:
> 
> On Apr 28, 2012, at 3:47 AM, Anisha Kolasani wrote:
> 
> > I am trying to experiment with OpenvSwitch. I have instalation of Openvswitch 1.4.0. I have used KVM to bring up 2 guest VMs.
> > tap0 and tap1 interfaces are getting added to the br0 bridge instance that I added to the OpenVswitch. vswitchd deamon is running.
> > But, the guest VMs are not communicating with each other.
> > Could anybody let me know if you have any pointers with regard to this?
> 
> Can you post your settings?
> 
> #ovs-vsctl show
> # ovs-ofctl dump-flows br0
> 
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