[Feature][task-view-306]merge P56U08(patch6) version

Only Configure: No
Affected branch: master
Affected module: unknow
Is it affected on both ZXIC and MTK: only ZXIC
Self-test: Yes
Doc Update: No

Change-Id: I8e809511ac30c97228dd110c304b4a08f4af36d7
diff --git a/ap/app/Script/scripts/psext_updown_ipv6.sh b/ap/app/Script/scripts/psext_updown_ipv6.sh
index 83d471c..06bee36 100755
--- a/ap/app/Script/scripts/psext_updown_ipv6.sh
+++ b/ap/app/Script/scripts/psext_updown_ipv6.sh
@@ -151,7 +151,11 @@
         brctl addbr $br_if
         brctl setfd $br_if 0.1
         nv set $br_if"_ipv6_ip"=$br_ip
-        ifconfig $br_if up 2>>$test_log
+		if [ "$eth_if" != "zvnet"$c_id ]; then
+		ifconfig $br_if up 2>>$test_log
+		else
+		ifconfig $br_if -arp up 2>>$test_log
+		fi
 		if [ $? -ne 0 ];then
             echo "Error: ifconfig $br_if up failed." >> $test_log
         fi