Tuesday, August 25, 2009

Jumbo Frames on VMware ESX

From the Service Console:
  1. Change the MTU on the vSwitch "esxcfg-vswitch -m 9000 "
  2. Do an "esxcfg-vswitch -l" and a "esxcfg-nics -l" to make sure the vSwitch and the physical NICs associated with it are now set to an MTU of 9000.
  3. Create the port group and add it to the vSwitch "esxcfg-vswitch -a "
  4. Create a VMkernel interface and associated port group "esxcfg-vmknic -a -i -n -m 9000 "
  5. Test it "vmkping -s 9000"
[ trackback ]