From 5e645ef9f5510e411eea38f4e065a065bec7f8af Mon Sep 17 00:00:00 2001
From: Jake McGinty <me@jake.su>
Date: Tue, 15 Mar 2022 11:01:26 +0900
Subject: [PATCH] shared: set default mtu of 1280

---
 shared/src/types.rs | 2 +-
 shared/src/wg.rs    | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/shared/src/types.rs b/shared/src/types.rs
index 661b158..1d9051d 100644
--- a/shared/src/types.rs
+++ b/shared/src/types.rs
@@ -471,7 +471,7 @@ pub struct NetworkOpts {
     pub backend: Backend,
 
     #[clap(long)]
-    /// Specify the desired MTU for your interface (default: 1420 for IPv4 and 1400 for IPv6).
+    /// Specify the desired MTU for your interface (default: 1280).
     pub mtu: Option<u32>,
 }
 
diff --git a/shared/src/wg.rs b/shared/src/wg.rs
index e937d2a..8429719 100644
--- a/shared/src/wg.rs
+++ b/shared/src/wg.rs
@@ -100,7 +100,7 @@ pub fn up(
         .set_private_key(wireguard_control::Key::from_base64(private_key).unwrap())
         .apply(interface, network.backend)?;
     set_addr(interface, address)?;
-    set_up(interface, network.mtu.unwrap_or(1412))?;
+    set_up(interface, network.mtu.unwrap_or(1280))?;
     if !network.no_routing {
         add_route(interface, address)?;
     }