Network becomes unavailable with ntg3 driver on ESXi 6.5
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Network becomes unavailable with ntg3 driver on ESXi 6.5

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Article ID: 318459

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Updated On:

Products

VMware vSphere ESXi

Issue/Introduction

Symptoms:
  • Network becomes unavailable with full passthrough devices
  • If a native ntg3 driver is used on a passthrough Broadcom Gigabit Ethernet Adapter, the network connection will become unavailable.
  • Running below command, you see ntg3 driver in use.

    # esxcfg-nics -l

 

 


Environment

VMware vSphere ESXi 6.5
VMware vSphere ESXi 6.7

Resolution

To resolve this issue, use any one of these options:

Option 1:Run the ntg3 driver in legacy mode

 

  1. To run the ntg3 driver in legacy mode, run the following command on host:

    # esxcli system module parameters set -m ntg3 -p intrMode=0
     
  2. Reboot the host.

 

Option 2:
 

  1. Use the tg3 vmklinux driver as the default driver, instead of the native ntg3 driver by running below commands:

    esxcli system module set --enabled=false --module=ntg3
    esxcli system module set --enabled=true --module=tg3

     
  2. Reboot the host.

 

 


Additional Information

ESXi 6.5 中的网络因 ntg3 驱动程序变得不可用