Hi All, I am trying to test CFM Link monitoring in the openvswitch.
My Test Setup is given Below: Linux_Machine_1 -----------OVS_switch_1 ----------------------OVS-switch_2 --------------------------------Linux_machine_2 In this, I am using four Machines having Openvswitch installed in it. Here are My scenarios : 1. Firstly run the CFM in the linux_machine_1 and Linux_machine_2 using the command : Linux_machine_1 : ovs-vsctl set Interface eth0 cfm_mpid=4000 Linux_machine_2 : ovs-vsctl set Interface eth0 cfm_mpid=5000 And I am using Unique MPID on all the machines. So ,In this case if the link between the OVS_switch_1 and OVS_switch_2 goes down then it shows a message on both the linux machine that link is down in the network. It shows like this : Received no CCM from RMP 2000 in the last 6954ms 2013-10-02T05:50:52Z|00031|cfm|INFO|eth0: CFM faults changed from [] to [recv]. This is fine. 2. Secondly run the CFM on both the linux machine and both the OVS-switches using the same command having different MPIDS. Then if the link between the OVS_switch_1 and OVS_switch_2 goes down then the message not goes to the both Linux machines.It Means that the ENdpoints are not aware of the Link failure . I think it should not happen or it is some configuration error. Or it may be that the OVS switches should act as MIP Maintenance Intermediate point.If yes then what is the configuration for the same. And in this CCM packets only goes to the next connected port of the machine.So how the last endpoint gets aware about the link failure in the network. Please solve my query regarding this. Thanks for help in advance. Thanks & regards Aman Sharma
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