[ovs-discuss] Bridge does not specify output ; ignoring? (OVS-DPDK Ubuntu)
Lax Clarke
lax.clarke at gmail.com
Tue Dec 6 17:20:35 UTC 2016
Hi,
I'm having trouble with 2 OVS bridges I've configured (sitting on top of
OVS-DPDK):
2e18698f-9583-4c59-972c-72c2c32cfc7d
Bridge "flat-br-1"
Port "stack-1-pts-1-internet-1"
Interface "stack-1-pts-1-internet-1"
type: dpdkvhostuser
Port "flat-br-1"
Interface "flat-br-1"
type: internal
Port "dpdk1"
Interface "dpdk1"
type: dpdk
options: {n_rxq="2"}
Bridge "flat-br-0"
Port "flat-br-0"
Interface "flat-br-0"
type: internal
Port "stack-1-pts-1-subscribers-1"
Interface "stack-1-pts-1-subscribers-1"
type: dpdkvhostuser
Port "dpdk0"
Interface "dpdk0"
type: dpdk
options: {n_rxq="2"}
ovs_version: "2.6.0"
I have these OF rules (nothing special):
root at terago-2:/home/sandvine/svauto# ovs-ofctl dump-flows flat-br-0
NXST_FLOW reply (xid=0x4):
cookie=0x0, duration=231.086s, table=0, n_packets=9853, n_bytes=591180,
idle_age=1, priority=0 actions=NORMAL
root at terago-2:/home/sandvine/svauto# ovs-ofctl dump-flows flat-br-1
NXST_FLOW reply (xid=0x4):
cookie=0x0, duration=234.638s, table=0, n_packets=9984, n_bytes=599040,
idle_age=2, priority=0 actions=NORMAL
The traffic is reaching the bridges themselves (i.e., ovs-tcpdump on
bridges shows the traffic), but not reaching the endpoints (VMs).
The error I see in ovs switch log says:
2016-12-06T17:14:41.170Z|00092|bridge|ERR|bridge flat-br-0: mirror
m_flat-br-0 does not specify output; ignoring
2016-12-06T17:14:41.170Z|00093|bridge|ERR|bridge flat-br-0: mirror
m_flat-br-0 does not specify output; ignoring
2016-12-06T17:14:41.170Z|00094|bridge|ERR|bridge flat-br-0: mirror
m_flat-br-0 does not specify output; ignoring
2016-12-06T17:14:41.171Z|00095|bridge|ERR|bridge flat-br-1: mirror
m_flat-br-1 does not specify output; ignoring
2016-12-06T17:14:41.171Z|00096|bridge|ERR|bridge flat-br-1: mirror
m_flat-br-1 does not specify output; ignoring
2016-12-06T17:14:41.171Z|00097|bridge|ERR|bridge flat-br-1: mirror
m_flat-br-1 does not specify output; ignoring
What does this mean?
I browsed code here
https://github.com/osrg/openvswitch/blob/master/vswitchd/bridge.c#L3641
It seems to suggest that I need either an output port or an output vlan.
How do I configure this? I am a bit lost, any help will be useful.
Thanks, Lax
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