rayvd wrote:
Any way to adjust this to 4500? Would 9000 work and just auto-drop down to 4500 at the TCP/IP level thanks to MSS?
If the remote side supports only 4500 then this will be negotiated for each TCP session. Both sides will automatically use the lowest common TCP Maximum Segment Size.
http://rickardnobel.se/different-jumbo-frames-settings-on-the-same-vlan
You should not have to tweak this by lowering the ESXi side.