Unable to increase rx ring buffer on ixgben driver
book
Article ID: 324498
calendar_today
Updated On:
Products
VMware vSphere ESXi
Issue/Introduction
Symptoms: -> unable to increase rx ring buffer size for ixgben driver with "ethtool --G rx 4096" command -> unable to increase rx ring buffer size for ixgben driver with "esxcli network nic ring current set" command
Resolution
Use the following command to increase rx ring buffer:
esxcfg-module -s “RxDesc=8192” ixgben
Reboot ESXi host to apply the change.
Note: These changes impact network adapter performance and must be validated by the hardware vendor who supplies the network adapter.