6.0.1

Troubleshooting Networking 8
The troubleshooting topics about networking in vSphere provide solutions to potential problems that you
might encounter with the connectivity of ESXi hosts, vCenter Server and virtual machines.
This chapter includes the following topics:
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“Troubleshooting MAC Address Allocation,” on page 78
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“The Conversion to the Enhanced LACP Support Fails,” on page 81
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“Unable to Remove a Host from a vSphere Distributed Switch,” on page 82
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“Hosts on a vSphere Distributed Switch 5.1 and Later Lose Connectivity to vCenter Server,” on
page 83
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“Hosts on vSphere Distributed Switch 5.0 and Earlier Lose Connectivity to vCenter Server,” on
page 84
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“Alarm for Loss of Network Redundancy on a Host,” on page 85
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“Virtual Machines Lose Connectivity After Changing the Uplink Failover Order of a Distributed Port
Group,” on page 86
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“Unable to Add a Physical Adapter to a vSphere Distributed Switch That Has Network I/O Control
Enabled,” on page 87
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“Troubleshooting SR-IOV Enabled Workloads,” on page 87
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“A Virtual Machine that Runs a VPN Client Causes Denial of Service for Virtual Machines on the Host
or Across a vSphere HA Cluster,” on page 89
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“Low Throughput for UDP Workloads on Windows Virtual Machines,” on page 91
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“Virtual Machines on the Same Distributed Port Group and on Different Hosts Cannot Communicate
with Each Other,” on page 92
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“Attempt to Power On a Migrated vApp Fails Because the Associated Protocol Profile Is Missing,” on
page 93
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“Networking Configuration Operation Is Rolled Back and a Host Is Disconnected from vCenter
Server,” on page 94
VMware, Inc.
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