When a leg of the network resumes connectivity, causing expired host ping...

We have vSwitch0 configured with two groups of ports:

VMotion and network management

There are two natachasery (vmnic0 & vmnic1) associated with vSwitch0 and the setting for the collection of network adapters is all the default settings.

(Active - Active/vmnic1 - vmnic0) / load balancing - based on the port

The problem:

I have the continuous Ping ping to the host.

If I DISCONNECT one cable network of the physical network adapter, I see may be 1 or 2 drops of the ping, b/c the other Teddy resumes the connection so no problems here.

but if I BRANCH this cable back into network, after 2 or 3 seconds, I'll see about 7-request-expired for the ping, then again after the ping.

It's about 21 seconds and it's long enough to trigger a host isolation (?)

I understand that I can go to HA Advanced Options to change the das.failureInterval to a larger value,

but my question is why, when connectivity resumes, this would cause long delays for the host to become to pings...

is - this delay normal behavior?

I tried to set nic teaming RESTORATION no, but that doesn't seem to help...

the cluster I have is a two node esxi 4.0u1 w / vCenter 4.0u1

Thank you

This may be caused by the spanning tree relearning your network connectivity of bringing the second network card. I've seen similar problems.

Tags: VMware

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