From: Roy Marples <roy@marples.name>
Date: Wed, 13 May 2009 18:49:49 +0000 (+0000)
Subject: The smallest MTU we can work with is 576, so don't set less.
X-Git-Tag: v5.0.4~2
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=f2dab1db9d623f5c8455e6dd0441f6c0bc79fec8;p=thirdparty%2Fdhcpcd.git

The smallest MTU we can work with is 576, so don't set less.
---

diff --git a/dhcpcd-hooks/10-mtu b/dhcpcd-hooks/10-mtu
index 167d6467..e4bb651c 100644
--- a/dhcpcd-hooks/10-mtu
+++ b/dhcpcd-hooks/10-mtu
@@ -1,5 +1,8 @@
 # Configure the MTU for the interface
 
 if [ -n "$new_interface_mtu" ]; then
-	ifconfig "$interface" mtu "$new_interface_mtu"
+	# The smalled MTU dhcpcd can work with is 576
+	if [ "$new_interface_mtu" -ge 576 ]; then
+		ifconfig "$interface" mtu "$new_interface_mtu"
+	fi
 fi