From 80280b8b3b5caa422ae9d79aec1085f27317c849 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=E6=BA=90=E6=96=87=E9=9B=A8?=
 <41315874+fumiama@users.noreply.github.com>
Date: Fri, 13 May 2022 23:36:22 +0800
Subject: [PATCH] chk mtu

---
 gold/link/peer.go | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/gold/link/peer.go b/gold/link/peer.go
index a4caa76..e48a97d 100644
--- a/gold/link/peer.go
+++ b/gold/link/peer.go
@@ -28,7 +28,7 @@ func (m *Me) AddPeer(cfg *PeerConfig) (l *Link) {
 	if ok {
 		return
 	}
-	if cfg.MTU == 0 || cfg.MTU == 65535 {
+	if cfg.MTU == 0 || cfg.MTU == 65535 || cfg.MTU > m.mtu {
 		panic("invalid mtu for peer " + cfg.PeerIP)
 	}
 	l = &Link{