Hello,
I'm trying to set raw point-to-point link using openvswitch 2.0.2
(ubuntu trusty default option). By raw I mean that all packets which
are egress for the first interface should be ingress for the second
and otherwise. No other options or checks. But I see in ovs-dpctl
output that only ipv4 packets are forwarded.
I create the bridge and connect two ports to the bridge
# ovs-vsctl add-br b0002.03bb
# ovs-vsctl add-port b0002.03bb
# ovs-vsctl add-port b0002.03bb
Check it
# ovs-vsctl show
Bridge "b0002.03bb"
Port "b0002.03bb"
Interface "b0002.03bb"
type: internal
Port "t0002.0120"
Interface "t0002.0120"
Port "t0002.011f"
Interface "t0002.011f"
Set the bridge rules to forward all packets between ports
# ovs-ofctl del-flows b0002.03bb
# ovs-ofctl add-flow b0002.03bb 'table=0,in_port=1,action=output:2']
# ovs-ofctl add-flow b0002.03bb 'table=0,in_port=2,action=output:1']
Check flows in ovs-ofctl
# ovs-ofctl dump-flows b0002.03bb
NXST_FLOW reply (xid=0x4):
cookie=0x0, duration=1274.478s, table=0, n_packets=1701895,
n_bytes=187088564, idle_age=1, in_port=1 actions=output:2
cookie=0x0, duration=1274.466s, table=0, n_packets=8393232,
n_bytes=1024054033, idle_age=0, in_port=2 actions=output:1
Check flows in ovs-dpctl
# ovs-dpctl show | egrep 't0002.0120|t0002.011f'
port 394: t0002.0120
port 404: t0002.011f
# ovs-dpctl dump-flows | fgrep '(404)'
skb_priority(0),in_port(404),eth_type(0x0800),ipv4(src=172.16.0.1/0.0.0.0,dst=172.16.0.2/0.0.0.0,proto=6/0,tos=0xc0/0,ttl=64/0,frag=no/0xff),
packets:4658053, bytes:564867731, used:0.083s, flags:SP., actions:394
# ovs-dpctl dump-flows | fgrep 'actions:404'
skb_priority(0),in_port(394),eth_type(0x0800),ipv4(src=172.16.0.2/0.0.0.0,dst=172.16.0.1/0.0.0.0,proto=6/0,tos=0/0,ttl=64/0,frag=no/0xff),
packets:2092237, bytes:277216996, used:0.000s, flags:SFP., actions:404
Surprisingly I found that my openvswitch forward ipv4 traffic only:
"eth_type(0x0800)".
Is it possible to forward MPLS and IPv6 traffic too?
Thanks
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