[ovs-discuss] Flow to forward LLDP/STP packets
Jesse Gross
jesse at nicira.com
Wed May 29 23:34:18 UTC 2013
On Wed, May 29, 2013 at 11:29 PM, Padmanabhan Krishnan <kprad1 at yahoo.com> wrote:
> Thanks for the reply. Sure, i can submit a patch sometime next week.
Ben already wrote one and you were CC'ed:
http://openvswitch.org/pipermail/dev/2013-May/027811.html
> I am learning the code, so didn't know which one has more precedence.
> Looking at:
>
> http://openvswitch.org/pipermail/git/2011-August/001692.html
>
> I was of the opinion that flows cannot be installed for special Mcast
> packets (like LLDP, STP), where in i can give the action as flood or forward
> to all ports. Are you saying that's not the case?
The man page for those two actions says:
flood Outputs the packet on all switch physical ports other
than the port on which it was received and any ports on
which flooding is disabled (typically, these would be
ports disabled by the IEEE 802.1D spanning tree proto‐
col).
all Outputs the packet on all switch physical ports other
than the port on which it was received.
> And, i am aware of the 5sec ageout in kernel datapath, so i was sending
> packets every sec and monitoring the kernel flow.
Are any counters going up that would indicate that OVS is actually
receiving the frames?
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