From 693d4344a3d72589b260f184983b4d169a170eac Mon Sep 17 00:00:00 2001
From: joka <johannes.kampmeyer@uni-paderborn.de>
Date: Wed, 23 Nov 2016 18:15:45 +0100
Subject: [PATCH] fix for cross datacenter chaining.

---
 src/emuvim/dcemulator/net.py | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/src/emuvim/dcemulator/net.py b/src/emuvim/dcemulator/net.py
index 15bb6f1..531e5f1 100755
--- a/src/emuvim/dcemulator/net.py
+++ b/src/emuvim/dcemulator/net.py
@@ -447,7 +447,8 @@ class DCNetwork(Containernet):
                     action = {}
                     action['type'] = 'SET_FIELD'
                     action['field'] = 'vlan_vid'
-                    action['value'] = vlan
+                    # ryu expects the field to be masked
+                    action['value'] = vlan | 0x1000
                     flow['actions'].append(action)
                 elif path.index(current_hop) == len(path) - 1:  # last node
                     match += ',dl_vlan=%s' % vlan
-- 
2.25.1