mirror of
https://github.com/tailscale/tailscale.git
synced 2024-11-26 19:45:35 +00:00
17 lines
591 B
Go
17 lines
591 B
Go
|
// Copyright (c) 2022 Tailscale Inc & AUTHORS All rights reserved.
|
||
|
|
// Use of this source code is governed by a BSD-style
|
||
|
|
// license that can be found in the LICENSE file.
|
||
|
|
|
||
|
|
package tstun
|
||
|
|
|
||
|
|
// DefaultMTU is the Tailscale default MTU for now.
|
||
|
|
//
|
||
|
|
// wireguard-go defaults to 1420 bytes, which only works if the
|
||
|
|
// "outer" MTU is 1500 bytes. This breaks on DSL connections
|
||
|
|
// (typically 1492 MTU) and on GCE (1460 MTU?!).
|
||
|
|
//
|
||
|
|
// 1280 is the smallest MTU allowed for IPv6, which is a sensible
|
||
|
|
// "probably works everywhere" setting until we develop proper PMTU
|
||
|
|
// discovery.
|
||
|
|
const DefaultMTU = 1280
|