Thomas Dukes wrote: > > > *From:* centos-bounces at centos.org [mailto:centos-bounces at centos.org] > *On Behalf Of *chloe K > *Sent:* Thursday, November 27, 2008 9:10 PM > *To:* CentOS mailing list > *Subject:* Re: [CentOS] Neighbour table overflow > > what is your netmask? > > eth0 = 255.255.240.0 That is 4096 addresses (256*16). > eth1 = 255.255.255.0 > lo = 255.0.0.0 lo is correct. The 'whole' net127. Of which 4 addresses have ever been used (that I have encountered).... > > These don't look right except for eth1. I have made no changes to > these in about 4 years. > > Thanks > > */Thomas Dukes <tdukes at sc.rr.com>/* wrote: > > Just started getting this. I tried the following by adding it to my > etc/sysctl.conf: > > net.ipv4.neigh.default.gc_thresh1 = 4096 > net.ipv4.neigh.default.gc_thresh2 = 8192 > net.ipv4.neigh.default.gc_thresh3 = 8192 > net.ipv4.neigh.default.base_reachable_time = 86400 > net.ipv4.neigh.default.gc_stale_time = 86400 > > That pretty much locked things up. > > Then I tried another googled solution: > > echo 256 > /proc/sys/net/ipv4/neigh/default/gc_thresh1 > > echo 512 > /proc/sys/net/ipv4/neigh/default/gc_thresh2 > > echo 1024 > /proc/sys/net/ipv4/neigh/default/gc_thresh3 > > And adding it also to etc/sysctl.conf: > > net.ipv4.neigh.default.gc_thresh1 = 256 > net.ipv4.neigh.default.gc_thresh2 = 512 > net.ipv4.neigh.default.gc_thresh3 = 1024 > > Still not working. > > Any ideas? > > TIA > > > _______________________________________________ > CentOS mailing list > CentOS at centos.org > http://lists.centos.org/mailman/listinfo/centos > > > *Yahoo! Canada Toolbar :* Search from anywhere on the web and bookmark > your favourite sites. Download it now! <http://ca.toolbar.yahoo.com/> > > ------------------------------------------------------------------------ > > _______________________________________________ > CentOS mailing list > CentOS at centos.org > http://lists.centos.org/mailman/listinfo/centos >