Linux Users Group @ MTU
Nov 15, 2010 · The MTU in networking terminologies is the Maximum Transmission Unit in bytes that protocol data can send over the wire. MTU is configured per interface and needs (er, prefers) the network infrastructure to match about the same MTU sizes. By default, eth0 … Continue reading Enable Jumbo Frames in Ubuntu Server 10 the MTU in your enviroment is being set automatically via the DHCP, in your configuration you have this setting: DEVICE=eth0. BOOTPROTO=dhcp. So the DHCP is actually setting the MTU size. In Ubuntu, you can edit the following file: /etc/dhcp/dhclient.conf. Just BEFORE the request line set this two commands: default interface-mtu 1500; I have some Ubuntu 14.04 machines running in an Amazon VPC. When they start, they have an MTU of 9001, but this appears to cause some problems when communicating with other servers which have an MTU of 1500. When I use ip link set dev eth0 mtu 1500 these problems go away. The problem is I can't seem to hit upon the correct way to make this I am triyng to set an MTU of 9000 on my NICs but I don't seem to be able to get netplan to set them. If I manually do it with "sudo ip link set ens160 mtu 9000" then everything is fine and it works, but obviously doesn't stick after a reboot.
Path MTU discovery in practice - The Cloudflare Blog
Netplan not applying MTU : Ubuntu I am triyng to set an MTU of 9000 on my NICs but I don't seem to be able to get netplan to set them. If I manually do it with "sudo ip link set ens160 mtu 9000" then everything is fine and it works, but obviously doesn't stick after a reboot. This is my current netplan config:
Mar 09, 2020
Aug 20, 2018