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VEM modules get added but then disappear from the VSM. What might be the problem?

April 26, 2017added disappear modules problem VEM vsm

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VEM modules get added but then disappear from the VSM. What might be the problem?

1 Answer

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Check for loopguard on the upstream Catalyst switch show run |include loopguard show spanning-tree vlan “control-vlanid” and look for ports with LOOP_inc and ports disabled.