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network/ifup.sh: arping for static IPv4 addresses 

(cherry picked from commit 38180271c5)
master
Harald Hoyer 2015-08-18 12:07:41 +02:00
parent 93b9885a65
commit 9ab5ddf16a
1 changed files with 4 additions and 0 deletions
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4
modules.d/40network/ifup.sh
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@ -158,6 +158,10 @@ do_static() {
ip addr add $ip/$mask ${srv:+peer $srv} dev $netif ip addr add $ip/$mask ${srv:+peer $srv} dev $netif
wait_for_ipv6_dad $netif wait_for_ipv6_dad $netif
else else
if ! arping -f -q -D -c 2 -I $netif $ip; then
warn "Duplicate address detected for $ip for interface $netif."
return 1
fi
ip addr flush dev $netif ip addr flush dev $netif
ip addr add $ip/$mask ${srv:+peer $srv} brd + dev $netif ip addr add $ip/$mask ${srv:+peer $srv} brd + dev $netif
fi fi