Virtual Distributed Switch Health Check details pane displays invalid or incorrect information

Products

• VMware vCenter Server
• VMware vSphere ESXi

Issue/Introduction

Symptoms:
When using the Virtual Distributed Switch Monitor Health window with VLAN and MTU checking enabled via the vSphere Web Client, you experience these issues:

• The VLAN Health Status field next to a host shows an ? Unknown state information or invalid information
• The MTU Health Status field next to a host shows an ? Unknown state information or invalid information
• The Teaming and Failover Health Status field next to a host shows an ? Unknown state information or invalid information
• Under the Health Status Detail, uplinks may report Not Supported although they are configured correctly
• The Health Status Details section does not display at all

Resolution

This issue is resolved in vCenter Server 5.1 Update 2.

For more information, see the vCenter Server 5.1 Update 2 Release Notes. To download vCenter Server 5.1 Update 2, see the VMware Download Center.

Additional Information

Depending on the options that you select, vSphere Distributed Switch Health Check can generate a significant number of MAC addresses for testing teaming policy, MTU size, VLAN configuration, resulting in extra network traffic. For more information, see Network health check feature limitations in vSphere 5.1 and 5.5 (2034795).

After you disable vSphere Distributed Switch Health Check, the generated MAC addresses age out of your physical network environment according to your network policy.分散仮想スイッチの [健全性チェック] 詳細ペインに無効または間違った情報が表示される