[ovs-discuss] noflood port override

Ben Pfaff blp at nicira.com
Sun Oct 20 04:15:53 UTC 2013


On Sat, Oct 19, 2013 at 10:29:05PM -0500, Faisal Ali wrote:
> Hello,
> 
> I setup a GRE tunnel (connected to switchport 4) and put a noflood option
> to prevent broadcast storms as below
> 
> ovs-ofctl mod-port test-br 4 noflood
> 
> But I need the broadcasts from VMs to be forwarded over the GRE tunnel so I
> put the following command
> 
> ovs-ofctl add-flow test-br 'priority=1900 in_port=13
> dl_dst='ff:ff:ff:ff:ff:ff' actions='normal''
> ovs-ofctl add-flow test-br 'priority=1900 in_port=13 nw_dst='224.0.0.0/24'
> actions='normal''
> 
> However, I am not seeing broadcasts on the ovs bridge on the other end of
> the gre tunnel. But if I remove the noflood option from GRE port 4, the
> broadcasts is received.

"normal" respects noflood.



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