| 1 | ||Sysctl variable ||Default 2.6 ||Suggested|| |
| 2 | ||net.ipv4.conf.all.arp_filter ||0 ||1|| |
| 3 | ||net.ipv4.conf.all.rp_filter ||0 ||1|| |
| 4 | ||net.ipv4.tcp_max_syn_backlog ||1024 ||4096|| |
| 5 | ||net.ipv4.ipfrag_low_thresh ||196608 ||262144|| |
| 6 | ||net.ipv4.ipfrag_high_thresh ||262144 ||393216|| |
| 7 | ||net.core.netdev_max_backlog ||300 ||2000|| |
| 8 | ||net.core.rmem_default ||135168 ||262144|| |
| 9 | ||net.core.rmem_max ||131071 ||8388608|| |
| 10 | ||net.core.wmem_default ||135168 ||262144|| |
| 11 | ||net.core.wmem_max ||131071 ||8388608|| |
| 12 | ||net.ipv4.ip_local_port_range ||32768 61000 ||1024 65535|| |
| 13 | ||net.ipv4.ip_no_pmtu_disc ||0 ||0|| |
| 14 | ||net.ipv4.tcp_rmem ||4096 87380 174760 ||8192 262144 4194304|| |
| 15 | ||net.ipv4.tcp_sack ||1 ||0|| |
| 16 | ||net.ipv4.tcp_syncookies ||1 ||0|| |
| 17 | ||net.ipv4.tcp_timestamps ||1 ||0|| |
| 18 | ||net.ipv4.tcp_window_scaling ||1 ||1|| |
| 19 | ||net.ipv4.tcp_wmem ||4096 16384 131072 ||8192 262144 4194304|| |