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| author | Lukas Nykryn <lnykryn@redhat.com> | 2014-07-24 14:55:55 +0200 |
|---|---|---|
| committer | Lukas Nykryn <lnykryn@redhat.com> | 2014-07-24 14:56:02 +0200 |
| commit | 34a84d9e9db6b1732d35f0752b2d7e833ce6b338 (patch) | |
| tree | 07dc8be7c5573edb18640d3e77d0363b59d8bbcd | |
| parent | 0a56b2cc22e7ee4e2e8ea926fc0ff81cbc299d34 (diff) | |
| download | initscripts-34a84d9e9db6b1732d35f0752b2d7e833ce6b338.tar initscripts-34a84d9e9db6b1732d35f0752b2d7e833ce6b338.tar.gz initscripts-34a84d9e9db6b1732d35f0752b2d7e833ce6b338.tar.bz2 initscripts-34a84d9e9db6b1732d35f0752b2d7e833ce6b338.tar.xz initscripts-34a84d9e9db6b1732d35f0752b2d7e833ce6b338.zip | |
ifup-aliases: improve duplicate address detection
| -rwxr-xr-x | sysconfig/network-scripts/ifup-aliases | 14 |
1 files changed, 8 insertions, 6 deletions
diff --git a/sysconfig/network-scripts/ifup-aliases b/sysconfig/network-scripts/ifup-aliases index c92a431d..b821eee8 100755 --- a/sysconfig/network-scripts/ifup-aliases +++ b/sysconfig/network-scripts/ifup-aliases @@ -257,13 +257,15 @@ function new_interface () fi if [ "$setup_this" = "yes" ] ; then - [ "${parent_device}" != "lo" ] && [ "${ARPCHECK}" != "no" ] && \ + if [ "${parent_device}" != "lo" ] && [ "${ARPCHECK}" != "no" ] && \ is_available ${parent_device} && \ - grep -qswi "up" /sys/class/net/${parent_device}/operstate && \ - if ! /sbin/arping -q -c 2 -w ${ARPING_WAIT:-3} -D -I ${parent_device} ${IPADDR} ; then - net_log $"Error, some other host already uses address ${IPADDR}." - return 1 - fi + ( grep -qswi "up" /sys/class/net/${parent_device}/operstate || grep -qswi "1" /sys/class/net/${parent_device}/carrier ) ; then + echo $"Determining if ip address ${IPADDR} is already in use for device ${parent_device}..." + if ! /sbin/arping -q -c 2 -w ${ARPING_WAIT:-3} -D -I ${parent_device} ${IPADDR} ; then + net_log $"Error, some other host already uses address ${IPADDR}." + return 1 + fi + fi /sbin/ip addr add ${IPADDR}/${PREFIX} brd ${BROADCAST} dev ${parent_device} label ${DEVICE} |