[pve-devel] Process to submit patches

Dietmar Maurer dietmar at proxmox.com
Thu Apr 18 06:19:11 CEST 2013


> Linux does not clearly differentiate between L2 (interface) and L3 (IP) MTU, and
> also has a hidden 4 byte allowance on the interface MTU, making it confusing.
> When running QinQ the parent physical interface needs a MTU of at least 1504
> bytes (allows a 1508 byte frame), any sub vlan's and bridges will then inherit this
> MTU allowing for the "inner" tag to pass externally correctly.

And what are the correct settings for jumbo frames (MTU 9000)?



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