Drops after vMotion network

Hi all

I have a problem with vMotion in vSphere and I was wondering if someone could help.

I currently have 2 hosts which were entirely patches. I have 2 vSwitches. One for management (SC and VMK) and the other for the Virtual Machine. Each vSwtich has 2 adapters physical 1000FDX assigned. The cluster has active HA but DRS not activated and I don't use of FT.

When I vMotion machines among hosts I loose the customary ping of the virtual machine, but also intermittently the VM gets disconnected for about 2-3 minutes. Probably to about 30% of my vMotions not this way. During this period, you cannot ping the server or anything from the ping server.

I tried setting the port speed on the network cards on the vSwitch to 1000FDX, tried different vNIC on virtual machines (VMXNET2 and VMXNET3) but still the same problem, but not all the time and it doesn't seem to follow all of the grounds.

At any come across this before, and how can I solve this problem.

John

Could be a problem with your physical switches?

Can you try to enable RSTP or FastPort?

You have a single switch or more?

André

Tags: VMware

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