Note: "permalinks" may not be as permanent as we would like,
direct links of old sources may well be a few messages off.
> 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. Couldn't get this to work so have had to bin DRBD. Shame. Thanks.