telnet 192.168.1.1
echo 30 > /proc/sys/net/ipv4/tcp_fin_timeout
echo 1024 > /proc/sys/net/ipv4/tcp_max_syn_backlog
echo 2500 > /proc/sys/net/core/netdev_max_backlog
echo 2048 > /proc/sys/net/core/somaxconn
save << ok
reboot
after reboot
all changes not saved
