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Jeff Amaral wrote:
Agreed. However, after reading over the howto, I'm not sure how to
proceed. I'd like to confirm that this is the problem and then apply one
of the solutions, but I'm not sure which one is appropriate.
These servers are running SUSE enterprise 9 (thus SUSE's custom kernel
2.6.5) and I've set the virtual IP address as an alias on the loopback
device (lo:0).
Are any of the solutions specifically recommended for my setup? Is it
enough to disable arp when setting up the loopback alias, like so:
# ifconfig lo:0 10.1.31.150 netmask 255.255.255.255 -arp up
On my desktop (kernel 2.6.10) that command is NOT sufficient to surpress
ARPs on eth0. See here for 2.6 info:
http://www.austintek.com/LVS/LVS-HOWTO/HOWTO/LVS-HOWTO.arp_problem.html#2_6_arp_announce
Cliff's notes version:
echo 1 > /proc/sys/net/ipv4/conf/eth0/arp_ignore (provided, of course,
you are trying to disable ARPs on eth0). You can also use
/etc/sysctl.conf to have this set at boot time.
-Bryan
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