diff options
Diffstat (limited to 'sysconfig/network-scripts')
| -rwxr-xr-x | sysconfig/network-scripts/ifup-aliases | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/sysconfig/network-scripts/ifup-aliases b/sysconfig/network-scripts/ifup-aliases index 15673e47..91071d8b 100755 --- a/sysconfig/network-scripts/ifup-aliases +++ b/sysconfig/network-scripts/ifup-aliases @@ -257,6 +257,12 @@ function new_interface () fi if [ "$setup_this" = "yes" ] ; then + [ "${REALDEVICE}" != "lo" ] && \ + if ! /sbin/arping -q -c 2 -w 3 -D -I ${parent_device} ${$IPADDR} ; then + net_log $"Error, some other host already uses address ${IPADDR}." + return 1 + fi + /sbin/ip addr add ${IPADDR}/${PREFIX} brd ${BROADCAST} dev ${parent_device} label ${DEVICE} if [ "$NO_ALIASROUTING" != yes ]; then |