Hi David,

I have not thought through the entire solution space, but you would
need to handle the Ethernet addresses too?  I suspect you can achieve
the solution by changing only the controller.  The solution would be
cool.  Hope to see someone put something out.  Even a rough solution
would be cool.

Regards
KK

On 20 September 2011 13:49, danderson415 <danderson...@gmail.com> wrote:
> I see. So if I set up ARP entries statically using arp command, the ping
> should work, right?
> Thanks for your prompt reply.
> David
> On Tue, Sep 20, 2011 at 4:30 AM, kk yap <yap...@stanford.edu> wrote:
>>
>> Hi David,
>>
>> AFAIK the information on the mailing list has been fairly consistent.
>> The answers then to differ depending on what you mean by a basic
>> router.  So your confusion is understandable.
>>
>> If you want to "route" between two points in the network, i.e.,
>> inserting all the flow rules on the affected switches at one go, then
>> NOX does okay as long as there is no loop.  The problem with loops is
>> not with routing but a broadcast storm will result due to the way
>> broadcast packets are handled.
>>
>> If your basic router need to bridge subnets, then you are asking for a
>> lot more.  One important item is of course responding to ARPs
>> appropriately.  All of which are not implemented in the default
>> distribution to the best of my knowledge.
>>
>> Hope this information is clear.
>>
>> Regards
>> KK
>>
>> On 19 September 2011 23:38, danderson415 <danderson...@gmail.com> wrote:
>> > Hi Kok-Kiong,
>> > I hope this email is not too abrupt for you. I planed to send the
>> > question
>> > to nox-dev@ email list. Before my subscription is approved, I would like
>> > to
>> > ask you as you are an expert in this area.
>> > Basically I want to make OVS a basic router. Is routing component in NOX
>> > distribution good enough? After search in the Internet, I get two
>> > conflicting information: someone said routing is working as long as
>> > there is
>> > no loop; someone said routing is not working because there is no ARP
>> > support
>> > in OVS. Which one is right? What is the easiest way to get a functional
>> > OVS
>> > based router so two hosts in different subnets can ping each other?
>> > Thanks a lot!
>> > Best,
>> > David
>
>
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