[ovs-discuss] Getting OpenFlow Set Up

Jesse Gross jesse at nicira.com
Mon Oct 18 02:11:21 UTC 2010


On Sun, Oct 17, 2010 at 6:21 PM, Derek Cormier
<derek.cormier at lab.ntt.co.jp> wrote:
> On 10/18/2010 09:36 AM, Justin Pettit wrote:
>>
>> On Oct 17, 2010, at 5:28 PM, Derek Cormier wrote:
>>
>>
>>>
>>> When you add ports to a virtual bridge, should you still be able to ping
>>> them? For some reason, I cannot ping the interface on the switch that a host
>>> connects to. Yet, I can ping another host.
>>>
>>
>> Do you mean, for example, if you add eth0 to br0, you can't ping the
>> address assigned to eth0?  If so, then, no, you cannot ping the addresses of
>> attached devices.  You can assign the IP address to br0, though, and that
>> should work.
>>
>> --Justin
>>
>>
>
> Yep, that's exactly what I meant. I tried giving my bridge, vbr0 an IP
> address using:
>
>  ifconfig vbr0 192.168.100.1,
>
> But I am unable to ping it. In order to get ping working before, when I was
> pinging from host to host, I had to set up the default entry on each host to
> be their outgoing interface, because it wouldn't work with the routers
> incoming interface. Should the default entry for the hosts be vbr0's new IP
> address?

Yes, all configuration should use the bridge interface's IP/MAC
address.  The underlying Ethernet adapters become owned by the switch
and it will take all traffic before it hits the IP stack.




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