Dear all,
Has anyone experienced this whilst running DRBD over eth1 between two
CentOS 5.7 servers?
eth1 is a private IP address, unroutable. eth0 is the public address.
CentOS will reply sometimes once every 3 days or every 14mins~ saying
"My public IP is on eth1" to arp requests when it's not, it's eth0.
This freezes traffic and causes issues. We've looked at arp*
/etc/sysctl.conf etc. and arptables, but wondered if anyone had a
recipe?
We have this already which didn't help as it happened Christmas Eve
too as we kept eth1 up for a few days to test:
# For the dual interface - 06.12.12
net.ipv4.conf.eth0.arp_filter = 1
net.ipv4.conf.eth0.arp_ignore = 1
net.ipv4.conf.eth1.arp_filter = 1
net.ipv4.conf.eth1.arp_ignore = 1
net.ipv4.conf.all.arp_filter = 1
eth0 and eth1 are on the same VLAN/broadcast domain, but eth1 is a
169.xx and eth0 is a routable public IP.
We're having to shut eth1 down and bring it up for sync at night.
Thanks,
Gavin.
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