[ovs-discuss] Bitmask

Ben Pfaff blp at ovn.org
Wed Jan 9 20:34:04 UTC 2019

On Mon, Jan 07, 2019 at 07:45:05PM +0200, George Papathanail wrote:
> I have instantiate a topology in Mininet with 2hosts and 3 switches.
> I have to encode the output ports of the switches on packet header in order
> to reduce the state of the switches.
> For example if the output ports are 3 , 5 , 4 the mac is 03:05:04:00:00:00.
> (if i understand well).
> The second step is to create a pointer that show to the next hop output
> port.

OVS has an action to output to a port taken from some of the bits in a
field.  Search the ovs-ofctl(8) manpage for "output:src" for a

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