I changed the NIC teaming policy from "beacon" to "link status" without any interruption to guests or applications. Guest migrations still fail because the security policy for promiscuous mode is set to accept. Not sure why, possibly to troubleshoot some network connection issue long ago. All other hosts outside this cluster are configured to reject promiscuous traffic. There are no VLANs defined on the vSwitch side. Would I be able to safely change the promiscuous configuration to reject without entering maintenance mode or disabling the vmnics ? Thanks.
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