[ovs-discuss] GRE port mirroring in OVS

[Endre Karlson]

# General
modprobe dummy
ip link set up dummy0

ovs-vsctl add-br br-dist
ovs-vsctl -- --may-exist add-port br-dist dummy0

ovs-vsctl -- --id=@dest_port get port dummy0 -- --id=@mirror create mirror
name=mirror0 -- add bridge br-dist mirrors @mirror -- set mirror mirror0
output_port=@dest_port select_all=1



# Solution 1 - OVS GRE
 ovs-vsctl add-port br-dist gre-term -- set Interface gre-term type=gre --
set Interface gre-term options:local_ip=192.168.5.120

# Solution 2 - GRE interface with select_all
ip tunnel add gre-term mode gre remote 0.0.0.0 local 192.168.5.120

Now the funny thing is when I do a tcpdump -vvv -i dummy0 it's not giving
any traffic, though if I add eth1 as a port it's working fine?

Endre.
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