wg-webclient/wg_device: set mtu to 1392 to encouter ds-lite in combination with pppoe and routers that silently drop packages that exceed this limit.

ffreddow · ffreddow · commit d58050b719d3 · 2024-11-11T14:44:24.000+01:00
diff --git a/wg-webclient/src/wg_device.rs b/wg-webclient/src/wg_device.rs
@@ -410,7 +410,7 @@ impl phy::Device for WgTunDevice {
 
     fn capabilities(&self) -> DeviceCapabilities {
         let mut caps = DeviceCapabilities::default();
-        caps.max_transmission_unit = 1500;
+        caps.max_transmission_unit = 1392;
         caps.medium = Medium::Ip;
         caps
     }

Original file line number	Diff line number	Diff line change
`@@ -410,7 +410,7 @@ impl phy::Device for WgTunDevice {`
`410`	`410`
`411`	`411`	`fn capabilities(&self) -> DeviceCapabilities {`
`412`	`412`	`let mut caps = DeviceCapabilities::default();`
`413`		`- caps.max_transmission_unit = 1500;`
	`413`	`+ caps.max_transmission_unit = 1392;`
`414`	`414`	`caps.medium = Medium::Ip;`
`415`	`415`	`caps`
`416`	`416`	`}`