Hi,
As it turns out, use of NXM extensions is missing from the Ryu docs. For
the sake of completeness, you can indeed match and set tunnel fields using
OFPActionSetField and OFPMatch. Keywords are:
tun_ipv4_src
tun_ipv4_dst
Full list can be found here
https://github.com/osrg/ryu/blob/7a9b1be5d6874933fdfbf4e610992dd302915ed9/ryu/ofproto/nx_match.py
As for flow persistence on ovs, you have change the failure mode to
'secure'.
cheers
Evelio
On Sat, Jan 9, 2016 at 1:01 PM, Evelio Vila <[email protected]> wrote:
> Hello list,
>
> I'm using Ryu with several ovs devices over OF13.
>
> I've noticed that after the Ryu app drops the connection to ovs, flows
> disappear from the ovs flow table after a few seconds. Is there a way to
> persist those entries with some kind of OF message? I'm mainly using the
> controller for proactive instantiation, I don't need process any PACKET-IN
> messages.
>
> My second question is related to GRE tunnels. How can I match/modify
> tun_dst and tun_src ? Can it be done with
> ofproto_v1_3_parser.OFPActionSetField
> and ofproto_v1_3_parser.OFPMatc ?
> and if so, how?
>
> Thanks,
> Evelio
>
>
>
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