diff --git a/xos/configurations/cord/README-VTN.md b/xos/configurations/cord/README-VTN.md
index b3c0c61..a3c4e69 100644
--- a/xos/configurations/cord/README-VTN.md
+++ b/xos/configurations/cord/README-VTN.md
@@ -112,7 +112,12 @@
     ovs-vsctl del-br br-flat-lan-1
     ifconfig eth2 10.123.0.1
     iptables --table nat --append POSTROUTING --out-interface br-ex -j MASQUERADE
-    arp -s 10.123.0.3 fa:16:3e:ea:11:0a
+    #arp -s 10.123.0.3 fa:16:3e:ea:11:0a
+    sysctl net.ipv4.conf.all.send_redirects
+    sysctl net.ipv4.conf.all.send_redirects=0
+    sysctl net.ipv4.conf.default.send_redirects=0
+    sysctl net.ipv4.conf.eth0.send_redirects=0
+    sysctl net.ipv4.conf.br-ex.send_redirects=0
     
 Substitute for your installation: