[ovs-discuss] OVN: missing chassis and flows

Yoshio Turner yoshio at banyanops.com
Tue Dec 8 19:35:54 UTC 2015


In the OVN tutorial (
https://github.com/openvswitch/ovs/blob/master/tutorial/OVN-Tutorial.md),
the "simple two-port setup" example works fine for me from within the
sandbox environment.

I'm looking for pointers to help debug a similar setup I created outside
the sandbox, using veth interfaces for lport1 and lport2. After running the
setup.sh script, the OVN_Southbound database Chassis table is empty for
some reason. Also, flow tables 0, 32, 33, 34 are missing from br-int.
Packets sent between the two ports are dropped due to "no match". I'm
running on Ubuntu 15.10 with Ubuntu kernel 4.2.0-18-generic, and OVS master
branch fetched on Dec 4 (commit 6422372c103d280450eb400ed7fe955b74deeb2a).

# ovs-ofctl -O OpenFlow13 dump-flows br-int
OFPST_FLOW reply (OF1.3) (xid=0x2):
 cookie=0x0, duration=2852.957s, table=16, n_packets=0, n_bytes=0,
priority=100,metadata=0x1,vlan_tci=0x1000/0x1000 actions=drop
 cookie=0x0, duration=2852.957s, table=16, n_packets=0, n_bytes=0,
priority=100,metadata=0x1,dl_src=01:00:00:00:00:00/01:00:00:00:00:00
actions=drop
 cookie=0x0, duration=2812.350s, table=16, n_packets=0, n_bytes=0,
priority=50,reg6=0x1,metadata=0x1,dl_src=00:00:00:00:00:01
actions=resubmit(,17)
 cookie=0x0, duration=2805.739s, table=16, n_packets=0, n_bytes=0,
priority=50,reg6=0x2,metadata=0x1,dl_src=00:00:00:00:00:02
actions=resubmit(,17)
 cookie=0x0, duration=2852.956s, table=17, n_packets=0, n_bytes=0,
priority=0,metadata=0x1 actions=resubmit(,18)
 cookie=0x0, duration=2852.957s, table=18, n_packets=0, n_bytes=0,
priority=0,metadata=0x1 actions=resubmit(,19)
 cookie=0x0, duration=2852.957s, table=19, n_packets=0, n_bytes=0,
priority=100,metadata=0x1,dl_dst=01:00:00:00:00:00/01:00:00:00:00:00
actions=set_field:0xffff->reg7,resubmit(,32)
 cookie=0x0, duration=2834.037s, table=19, n_packets=0, n_bytes=0,
priority=50,metadata=0x1,dl_dst=00:00:00:00:00:01
actions=set_field:0x1->reg7,resubmit(,32)
 cookie=0x0, duration=2827.757s, table=19, n_packets=0, n_bytes=0,
priority=50,metadata=0x1,dl_dst=00:00:00:00:00:02
actions=set_field:0x2->reg7,resubmit(,32)
 cookie=0x0, duration=2852.957s, table=48, n_packets=0, n_bytes=0,
priority=0,metadata=0x1 actions=resubmit(,49)
 cookie=0x0, duration=2852.957s, table=49, n_packets=0, n_bytes=0,
priority=0,metadata=0x1 actions=resubmit(,50)
 cookie=0x0, duration=2852.957s, table=50, n_packets=0, n_bytes=0,
priority=100,metadata=0x1,dl_dst=01:00:00:00:00:00/01:00:00:00:00:00
actions=resubmit(,64)
 cookie=0x0, duration=2812.350s, table=50, n_packets=0, n_bytes=0,
priority=50,reg7=0x1,metadata=0x1,dl_dst=00:00:00:00:00:01
actions=resubmit(,64)
 cookie=0x0, duration=2805.739s, table=50, n_packets=0, n_bytes=0,
priority=50,reg7=0x2,metadata=0x1,dl_dst=00:00:00:00:00:02
actions=resubmit(,64)

Thanks,
Yoshio
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