| Sysctl variable | Default 2.6 | Suggested
|
| net.ipv4.conf.all.arp_filter | 0 | 1
|
| net.ipv4.conf.all.rp_filter | 0 | 1
|
| net.ipv4.tcp_max_syn_backlog | 1024 | 4096
|
| net.ipv4.ipfrag_low_thresh | 196608 | 262144
|
| net.ipv4.ipfrag_high_thresh | 262144 | 393216
|
| net.core.netdev_max_backlog | 300 | 2000
|
| net.core.rmem_default | 135168 | 262144
|
| net.core.rmem_max | 131071 | 8388608
|
| net.core.wmem_default | 135168 | 262144
|
| net.core.wmem_max | 131071 | 8388608
|
| net.ipv4.ip_local_port_range | 32768 61000 | 1024 65535
|
| net.ipv4.ip_no_pmtu_disc | 0 | 0
|
| net.ipv4.tcp_rmem | 4096 87380 174760 | 8192 262144 4194304
|
| net.ipv4.tcp_sack | 1 | 0
|
| net.ipv4.tcp_syncookies | 1 | 0
|
| net.ipv4.tcp_timestamps | 1 | 0
|
| net.ipv4.tcp_window_scaling | 1 | 1
|
| net.ipv4.tcp_wmem | 4096 16384 131072 | 8192 262144 4194304
|
