The vCenter adapter provides alert definitions that generate alerts on the vSphere Distributed Switch objects in your environment.

Health/Critical

These alert definitions have the following impact and criticality information.

Impact

Health

Criticality

Critical

Alert Definition

Symptom

Recommendations

Network traffic is blocked for one or more ports.

Network traffic is blocked for one or more ports.

Check the security policy on the port groups as well as any ACL rule configuration.

Health/Warning

These alert definitions have the following impact and criticality information.

Impact

Health

Criticality

Warning

Alert Definition

Symptom

Recommendations

Distributed Switch configuration is out of sync.

Distributed Switch configuration is out of sync with the vCenter Server.

Change the distributed switch configuration to match the host. Identify the distributed switch properties that are out of sync. If these properties were changed locally on the host in order to maintain connectivity, update the distributed switch configuration in the vCenter Server. Otherwise, re-apply the the vCenter Server configuration to this host.

One or more VLANs are unsupported by the physical switch.

One or more VLANs are unsupported by the physical switch.

Ensure the VLAN configuration on the physical switch and the distributed port groups are consistent.

Teaming configuration does not match the physical switch.

Teaming configuration does not match the physical switch.

Ensure the teaming configuration on the physical switch and the distributed switch are consistent.

The MTU on the Distributed Switch is not allowed by one or more VLANs on the host.

The MTU on the Distributed Switch is not allowed by one or more VLANs on the host.

Ensure the MTU configuration on the physical switch and the distributed switch are consistent.

There is an MTU mismatch between the host and a physical switch.

There is an MTU mismatch between the host and a physical switch.

Adjust the MTU configuration on the host to match the physical switch. Change the MTU configuration on the physical switch.

Risk/Warning

These alert definitions have the following impact and criticality information.

Impact

Risk

Criticality

Warning

Alert Definition

Symptom

Recommendations

The distributed switch configuration is incorrect.

Host without redundant physical connectivity to the distributed switch.

Verify that at least two NICs on each host is connected to the distributed switch.