Linux Router – Network Table Overflow

To solve linux network table overflow issue, enlarge ARP table –
edit /etc/sysconf.ctl

 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 = 30
 net.ipv4.neigh.default.gc_stale_time = 30

After done exec –

sysctl -p