[ovs-discuss] Applying Regex to the flow_entry

Ben Pfaff blp at nicira.com
Sat Nov 16 02:22:06 UTC 2013


Open vSwitch doesn't support what you're trying to do.
On Nov 15, 2013 5:45 PM, "Jayanth Silesh" <sileshsu at usc.edu> wrote:

> Hey All,
>
> I am trying to have a regular expression in my flow entry,
>
> My topology is something like this,
>
> host1 ———OVS ———host2
>
> My objective is basically , host1 is constantly sending packets and host2
> has to only receive half of the packets.
>
> So, what I have thought of doing is , I will have 2 tables in my OVS, the
> first table matches the in_port and adds a metadata to the packet and
> pipelines to the table2.
> Table2 decides the action according to the metadata of the packet.
>
> But what the table1’s objective is to, check if the n_packets of that flow
> entry is divisible by 2 and add metadata 1 or 2 respectively.
> Is there a way to write a Regex for for from the controller or ofctl
> command?
>
> I have tried searching for the Regex insertion documentation but there’s
> no documentation on this.
>
>
>
>
>
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