From: "R. Parameswaran"
Date: Wed, 5 Apr 2017 17:05:49 -0700 (PDT)
>
> Existing L2TP kernel code does not derive the optimal MTU for Ethernet
> pseudowires and instead leaves this to a userspace L2TP daemon or
> operator. If an MTU is not specified, the existing kernel code chooses
> an MTU that
Existing L2TP kernel code does not derive the optimal MTU for Ethernet
pseudowires and instead leaves this to a userspace L2TP daemon or
operator. If an MTU is not specified, the existing kernel code chooses
an MTU that does not take account of all tunnel header overheads, which
can lead to unwant
