Re: gretap default MTU question

2016-03-10 Thread Jonathan Thibault
On 09/03/16 12:25 PM, Jonathan Thibault wrote: > Hello good people of netdev, > > When setting up gretap devices like so: > > ip link add mydev type gretap remote 1.1.1.1 local 2.2.2.2 nopmtudisc > > I'm observing two different behavior: > > - On system A, the MTU

gretap default MTU question

2016-03-09 Thread Jonathan Thibault
Hello good people of netdev, When setting up gretap devices like so: ip link add mydev type gretap remote 1.1.1.1 local 2.2.2.2 nopmtudisc I'm observing two different behavior: - On system A, the MTU of 'mydev' is set to the MTU of the 'parent' interface (currently 1600) minus 38. All other int