diff --git a/systemvm/patches/debian/config/etc/rc.local b/systemvm/patches/debian/config/etc/rc.local
index 6119497596b..fd3488e6f5e 100755
--- a/systemvm/patches/debian/config/etc/rc.local
+++ b/systemvm/patches/debian/config/etc/rc.local
@@ -14,5 +14,16 @@ do
    service $svc stop
 done
 
+CMDLINE=$(cat /var/cache/cloud/cmdline)
+router=$(echo "$CMDLINE" | grep -o  type=router)
+vpcrouter=$(echo "$CMDLINE" | grep -o  type=vpcrouter)
+
+if [ "$router" != "" ] ||  [ "$vpcrouter" != "" ]
+then
+   echo 1000000 > /proc/sys/net/ipv4/netfilter/ip_conntrack_max
+   echo 1000000 > /proc/sys/net/netfilter/nf_conntrack_max
+   echo 1000000 > /proc/sys/net/nf_conntrack_max
+fi
+
 date > /var/cache/cloud/boot_up_done
 logger -t cloud "Boot up process done"