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use scope host when adding the interface to loopback so we dont respond to ARPs for this ip

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(This used to be ctdb commit fcd6226a6c00cf657532aa76804bfe029df21ba6)
This commit is contained in:
Ronnie Sahlberg 2009-05-14 08:55:05 +10:00
parent 016b37f1e2
commit be7137faa9
1 changed files with 8 additions and 1 deletions
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9
ctdb/config/events.d/11.natgw
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@ -28,6 +28,13 @@ delete_all() {
}
case $cmd in
startup)
# do not respond to ARPs that are for ip addresses with scope 'host'
echo 3 > /proc/sys/net/ipv4/conf/all/arp_ignore
# do not send out arp requests from loopback addresses
echo 2 > /proc/sys/net/ipv4/conf/all/arp_announce
;;
recovered)
MYPNN=`ctdb pnn | cut -d: -f2`
NATGWMASTER=`ctdb natgwlist | head -1`
@ -50,7 +57,7 @@ case $cmd in
# We do this so that the ip address will exist on a
# non-loopback interface so that samba may send it along in the
# KDC requests.
ip addr add $CTDB_NATGW_PUBLIC_IP_HOST dev lo
ip addr add $CTDB_NATGW_PUBLIC_IP_HOST dev lo scope host
ip route add 0.0.0.0/0 via $NATGWIP metric 10
fi