6.7

Table Of Contents
15
Configuring Protocol Profiles for Virtual Machine Networking 236
Add a Network Protocol Profile 237
Select the Network Protocol Profile Name and Network 237
Specify Network Protocol Profile IPv4 Configuration 237
Specify Network Protocol Profile IPv6 Configuration 238
Specify Network Protocol Profile DNS and Other Configuration 239
Complete the Network Protocol Profile Creation 239
Associate a Port Group with a Network Protocol Profile 239
Configure a Virtual Machine or vApp to Use a Network Protocol Profile 240
16
Multicast Filtering 241
Multicast Filtering Modes 241
Enable Multicast Snooping on a vSphere Distributed Switch 242
Edit the Query Time Interval for Multicast Snooping 243
Edit the Number of Source IP Addresses for IGMP and MLD 243
17
Stateless Network Deployment 245
18
Networking Best Practices 247
19
Troubleshooting Networking 249
Guidelines for Troubleshooting 250
Identifying Symptoms 250
Defining the Problem Space 250
Testing Possible Solutions 251
Troubleshooting with Logs 251
Troubleshooting MAC Address Allocation 253
Duplicate MAC Addresses of Virtual Machines on the Same Network 253
Attempt to Power On a Virtual Machine Fails Due to a MAC Address Conflict 256
Unable to Remove a Host from a vSphere Distributed Switch 257
Hosts on a vSphere Distributed Switch Lose Connectivity to vCenter Server 258
Hosts on vSphere Distributed Switch 5.0 and Earlier Lose Connectivity to vCenter Server 259
Alarm for Loss of Network Redundancy on a Host 261
Virtual Machines Lose Connectivity After Changing the Uplink Failover Order of a Distributed Port
Group 261
Unable to Add a Physical Adapter to a vSphere Distributed Switch That Has Network I/O Control
Enabled 263
Troubleshooting SR-IOV Enabled Workloads 263
SR-IOV Enabled Workload Cannot Communicate After You Change Its MAC Address 264
A Virtual Machine that Runs a VPN Client Causes Denial of Service for Virtual Machines on the
Host or Across a vSphere HA Cluster 265
Low Throughput for UDP Workloads on Windows Virtual Machines 267
vSphere Networking
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