From 9463ceb87395f7faceb6a2ef471b62dc224ff51b Mon Sep 17 00:00:00 2001
From: Matthias Radestock <matthias.radestock@gmail.com>
Date: Mon, 13 Jul 2015 10:31:20 +0100
Subject: [PATCH] test that large packets can be transmitted over weave

---
 test/100_cross_hosts_test.sh | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/test/100_cross_hosts_test.sh b/test/100_cross_hosts_test.sh
index 4ea28f74..a2f77068 100755
--- a/test/100_cross_hosts_test.sh
+++ b/test/100_cross_hosts_test.sh
@@ -27,4 +27,10 @@ start_container $HOST2 net:$SUBNET_2 --name=c6
 C6=$(container_ip $HOST2 c6)
 assert_raises "exec_on $HOST1 c5 $PING $C6"
 
+# check large packets get through. The first attempt typically fails,
+# since the PMTU hasn't been discovered yet. The 2nd attempt should
+# succeed.
+exec_on $HOST1 c1 $PING -s 65000 $C2 2>&1 1>/dev/null || true
+assert_raises "exec_on $HOST1 c1 $PING -s 65000 $C2"
+
 end_suite