@@ -1,7 +1,7 @@

 Summary:       Set of scripts and tools to get compatbility with other distributions.

 Name:          distrib-compat

 Version:       0.1

-Release:       5%{?dist}

+Release:       6%{?dist}

 License:       GPLv2

 URL:           http://photon.org

 Group:         System Environment/Base

@@ -35,6 +35,8 @@ ln -s sysctl.d/99-compat.conf %{buildroot}/%{_sysconfdir}/sysctl.conf

 %{_sysconfdir}/*

 /sbin/*

 %changelog

+*    Tue Mar 29 2016 Vinay Kulkarni <kulkarniv@vmware.com> 0.1-6

+-    Do arping only for IPv4 addresses.

 *    Thu Feb 11 2016 Mahmoud Bassiouny <mbassiouny@vmware.com> 0.1-5

 -    Move ifup and ifdown outside the sources tar.gz

 *    Wed Feb 10 2016 Priyesh Padmavilasom <ppadmavilasom@vmware.com> 0.2-2

@@ -64,12 +64,16 @@ ip addr flush $interface || fail "Cannot flush IP address for $interface"

 ip link set dev $interface up || fail "Cannot bring $interface up"

 if [[ -n  $address ]] ; then

-    #Check for duplicates

-    arping -D -q -I $interface -c 2 $address

-    retval=$?

-    [ $retval -eq 1 ] && success "IP already exists in the network, will exit gracefully"

-    [ $retval -eq 2 ] && fail "Cannot procceed. $interface is down"

-    [ $retval -ne 0 ] && fail "Unknown error!"

+    if [[ $address =~ ^[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}$ ]]; then

+        echo "Performing duplicate address check for IPv4 address $address"

+        arping -D -q -I $interface -c 2 $address

+        retval=$?

+        [ $retval -eq 1 ] && success "IP already exists in the network, will exit gracefully"

+        [ $retval -eq 2 ] && fail "Cannot procceed. $interface is down"

+        [ $retval -ne 0 ] && fail "Unknown error!"

+    else

+        echo "Skipping duplicate address check for IPv6 address $address"

+    fi

 fi

 print_message "Everything is good, IP is not assigned elsewhere, will restart systemd-networkd"