From 8faaec7b1b9bd034449348b693c5216e349a04ec Mon Sep 17 00:00:00 2001
From: John Southworth <john.southworth@vyatta.com>
Date: Thu, 30 Aug 2012 17:32:44 -0700
Subject: Bugfix 6967: Test if an address is already applied to an interface
 before attempting to apply it

---
 scripts/vyatta-address | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/scripts/vyatta-address b/scripts/vyatta-address
index 94fb1c59..a0c374e6 100755
--- a/scripts/vyatta-address
+++ b/scripts/vyatta-address
@@ -18,9 +18,13 @@ case $1 in
             exec /opt/vyatta/sbin/vyatta-dhcpv6-client.pl --start -ifname "$2"
 	elif [[ "$3" =~ ":" ]]
 	then # Ipv6 address
-	    exec ip -6 addr add "$3" dev "$2"
+		if ! ip -6 addr list dev $2 | grep -q $3; then
+			exec ip -6 addr add "$3" dev "$2"
+		fi
 	else
-	    exec ip addr add "$3" broadcast + dev "$2"
+		if ! ip addr list dev $2 | grep -q $3; then
+			exec ip addr add "$3" broadcast + dev "$2"
+		fi
 	fi ;;
 
  delete)
-- 
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