[ovs-discuss] Grouping GRE interfaces' flow with tun_id

el05682 el05682 at mail.ntua.gr
Wed Jun 22 01:46:12 UTC 2011

 Thanx for the quick reply. Got that, but I still haven't solved my 
 problem though.

 Is there any way to group the packet flow without sacrificing the L2 
 I think that the flows to multiple ports (i.e. ovs-ofctl add-flow br0 
 skip this lookup.
 I was thinking to add a fake bridge, remove the tag value,
 and add the ports there. Would this provided the desired result?
 Are there other alternatives?

 On Mon, 20 Jun 2011 20:09:51 -0700, Jesse Gross wrote:
> On Mon, Jun 20, 2011 at 8:05 PM, el05682 <el05682 at mail.ntua.gr> 
> wrote:
>> While the connectivity works fine I was considering to add a flow 
>> based on
>> the gre key. I actually
>> want to group the ifaces with the same gre key so I was thinking 
>> something
>> like
>> #ovs-ofctl add-flow br0
>> tun_id=1,idle_timeout=0,priority=1,actions=set_tunnel:1,normal
>> (I want normal action in order to preserve L2 lookups)
>> The rule is created but there are no packets "caught". They always 
>> "fall
>> into" to the default rule.
>> Am i doing something wrong? I, also, noticed a message NXST_FLOW 
>> reply
>> (xid=0x4) when I run dump-flows.
>> Is it related to the problem?
> You need to set the key on the port to be "flow", otherwise the key 
> is
> considered to be a property of the port itself and the tun_id is
> zeroed.

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