The manpage for dhclient-script says:
Before actually configuring the address, dhclient-script should
somehow ARP for it and exit with a nonzero status if it receives a
reply.
By using arping in dracut this is very easy, since arping has a
specific option to do just that.
---
modules.d/40network/dhclient-script | 1 +
1 files changed, 1 insertions(+), 0 deletions(-)
diff --git a/modules.d/40network/dhclient-script b/modules.d/40network/dhclient-script
index 6df630d..3fb8da6 100755
--- a/modules.d/40network/dhclient-script
+++ b/modules.d/40network/dhclient-script
@@ -64,6 +64,7 @@ case $reason in
sleep 1
;;
BOUND)
+ arping -q -D -c 2 -I $netif $new_ip_address || exit 1
setup_interface
set | while read line; do
[ "${line#new_}" = "$line" ] && continue
--
1.6.0.4
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