On Tue, Jun 29, 2010 at 22:58, Patrick Cable <[email protected]> wrote: > Other notes: > - Each subnet is it's own VLAN and has it's own router. I think we can > best think of these as separate networks that are routed. Also, > Solaris and RHEL5 don't have this problem. > - I have seen this behavior strictly on Ubuntu 9.10 and later. > - This is running in a VM - however, I've replicated this behavior on > a physical machine too. > - I tweaked some sysctl arp settings (arp_ignore, arp_announce, > something with arp_filter) to no avail. ip_forwarding as well. > - Another server of mine that runs Debian has a similar problem but > it's "fixed" by keeping it's ARP entry fresh in the switches that each > interface lives on (pings the router once a minute). Gross solution > but it works. > > Any thoughts? I'm out of ideas here.
Have you tried disabling rp_filter on the server? (not to be confused with arp_filter) sysctl net.ipv4.conf.ethX.rp_filter=0 _______________________________________________ Tech mailing list [email protected] http://lopsa.org/cgi-bin/mailman/listinfo/tech This list provided by the League of Professional System Administrators http://lopsa.org/
