Hi ALL, I am trying to understand CFM functionality in OVS, I made the setup in a Ubuntu host, But I am unable to see any CCM/CFM packets on tap ports, but these ports showing cfm_fault : false and cfm_fault_status : []. I made setup as follows: 1. Created two OVS bridges and two tap ports in a host [I am using Ubuntu 14.04] ovs-vsctl add-br br0 ovs-vsctl add-br br1 ip tuntap add mode tap p0 ip tuntap add mode tap p1 ifconfig p0 up ifconfig p1 up
2. Added the tap ports to bridges and connected these ports by patch ovs-vsctl add-port br1 p1 -- set Interface p1 type=patch options:peer=p0 -- add-port br0 p0 -- set Interface p0 type=patch options:peer=p1 3. Configured cfm_mpid, cfm_interval, cfm_extended=true and cfm_demand=true on ports. ovs-vsctl set Interface p0 cfm_mpid=1 ovs-vsctl set Interface p1 cfm_mpid=2 ovs-vsctl set Interface p0 other_config:cfm_interval=300 other_config:cfm_extended=true other_config:cfm_demand=true ovs-vsctl set Interface p1 other_config:cfm_interval=300 other_config:cfm_extended=true other_config:cfm_demand=true 4. ovs-appctl cfm/show p0 ---- p0 ---- MPID 1: extended average health: 100 opstate: up remote_opstate: up interval: 300ms next CCM tx: 86ms next fault check: 537ms Remote MPID 2 recv since check: true opstate: up 5. ovs-appctl cfm/show p1 ---- p1 ---- MPID 2: extended average health: 100 opstate: up remote_opstate: up interval: 300ms next CCM tx: 57ms next fault check: 1607ms Remote MPID 1 recv since check: true opstate: up Please suggest me correct setup to test CFM in OVS. Thanks & Regards, Anudattu. =====-----=====-----===== Notice: The information contained in this e-mail message and/or attachments to it may contain confidential or privileged information. If you are not the intended recipient, any dissemination, use, review, distribution, printing or copying of the information contained in this e-mail message and/or attachments to it are strictly prohibited. If you have received this communication in error, please notify us by reply e-mail or telephone and immediately and permanently delete the message and any attachments. Thank you
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