Signed-off-by: Wenzhuo Lu <wenzhuo...@intel.com> --- doc/guides/nics/ixgbe.rst | 9 +++++++++ 1 file changed, 9 insertions(+)
diff --git a/doc/guides/nics/ixgbe.rst b/doc/guides/nics/ixgbe.rst index 05ecc2a..aceeb13 100644 --- a/doc/guides/nics/ixgbe.rst +++ b/doc/guides/nics/ixgbe.rst @@ -233,6 +233,15 @@ be calculated as follows: In order to ensure valid results, it is recommended to poll every 4 minutes. +MTU setting +~~~~~~~~~~~ + +Although the user can set the MTU separately on PF and VF ports, the ixgbe NIC +only supports one global MTU per physical port. +So when the user sets different MTUs on PF and VF ports in one physical port, +the real MTU for all these PF and VF ports is the largest value set. +This behavior is based on the kernel driver behavior. + Supported Chipsets and NICs --------------------------- -- 1.9.3
