Hi Yiannis, and thanks for the reply.
With only one switch, I can ping between hosts on different ports/subnets
without having any static flows (I believe that is because I have the learning
switch and forwarding modules enabled in the controller, which is desirable in
my case because I don't want to have to handle ARPs etc, I just want to focus
on controlling the routing decisions).
But if I push down static flows (match on packet destination subnet address and
send to the correct port) I see matches for those flows when I ping. I also see
packet in / packet out messages to the controller, but these are for ARP
messages.
Thanks,
Tim
Date: Wed, 26 Jun 2013 10:04:47 -0700
Subject: Re: [openflow-discuss] Pantou on WRT54GL not matching flows
From: yiann...@stanford.edu
To: timba...@hotmail.co.uk
CC: openflow-discuss@lists.stanford.edu
Hi Tim,
Can you try with a single switch first, pinging two hosts attached in two
ports? Do you see the stats being updated? If not, do you see packet-ins in
your controller?
Regards,Y.
On Wed, Jun 26, 2013 at 3:51 AM, Tim Bauge <timba...@hotmail.co.uk> wrote:
Hi all,
I've got a couple of Linksys WRT54GL Openflow enabled switches (Pantou on
OpenWRT). The controller is Floodlight with learning switch and forwarding
enabled When I push down simple static flows to the switches, I find that the
switches do not enforce them. So with the topology subnet1-S1-S2-subnet2, S1
has a rule dest=subnet2;action=send_to_s2 and S2 a rule
dest-subnet1;action=send_to_s1, then I can't ping between hosts on subnet1 and
subnet2. I can see the flow descriptions on the switches using the dpctrl
dump-flows command, so I know the switches have got the rules. But the
statistics on the switches show there are no matches for the flows despite the
pings.
My main question is a sanity check: am I right in thinking this should work ?
do these symptoms point to something obvious ?
Many thanks,
Tim
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