Cannot increase VMware vmxnet3 ring buffer over 4032 but max is 4096
Issue
- Cannot increase VMware
vmxnet3
ring buffer over 4032 but max is 4096 ethtool -G eth1 rx 4096
thenethtool -g eth1
shows:
Ring parameters for eth1:
Pre-set maximums:
RX: 4096
RX Mini: 0
RX Jumbo: 2048
TX: 4096
Current hardware settings:
RX: 4032
RX Mini: 0
RX Jumbo: 128
TX: 512
Environment
- Red Hat Enterprise Linux 6
- Red Hat Enterprise Linux 7
- VMware virtual machine
vmxnet3
network driver- Jumbo Frames aka large MTU like 9000 bytes
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