Marco C. Coelho wrote: > I've got a linux router pushing 600-1000 pppoe connections through > it. I'm getting a screen error "Neighbor Table Overflow" after this > box has been up for between 1 week and 1 month. When this is > happening, routing slows to a crawl if at all. Then dies. I've added: > > # Added to stop "neighbor table overflow" messages in the kernel > net.ipv4.neigh.default.gc_thresh1=512 > net.ipv4.neigh.default.gc_thresh2=2048 > net.ipv4.neigh.default.gc_thresh3=4096 > # Added to increase IP contrack number (was getting to max) > net.ipv4.ip_conntrack_max=99999 > > to sysctl.conf to increase the size, but this only seems to delay the > problem. > > Any thoughts? > > Marco > _______________________________________________ > LARTC mailing list > LARTC@xxxxxxxxxxxxxxx > http://mailman.ds9a.nl/cgi-bin/mailman/listinfo/lartc What about checking your routing table? you may have link routes for massive subnets (like 85.0.0.0/8 or 140.20.0.0/16). Some programs prefer to use "standard" netmask of classes A and B. # ip rou |grep link _______________________________________________ LARTC mailing list LARTC@xxxxxxxxxxxxxxx http://mailman.ds9a.nl/cgi-bin/mailman/listinfo/lartc