[Bridge] [PATCH 0/2] net: Set maximum receive packet size on veth interfaces

Stephen Hemminger stephen at networkplumber.org
Tue May 9 15:49:28 UTC 2017


On Tue,  9 May 2017 14:44:36 +0200
Fredrik Markstrom <fredrik.markstrom at gmail.com> wrote:

> Currently veth drops all packets larger then the mtu set on the receiving
> end of the pair. This is inconsistent with most hardware ethernet drivers.

There is no guarantee that packets larger than MTU + VLAN tag will be received
by hardware drivers. So why is this necessary for veth? What is your special
use case which makes this necessary?


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