In Linux, the routing function is enabled. in linux, the routing function is enabled.

In Linux, the routing function is enabled. in linux, the routing function is enabled.

 

There are two methods:

1. Temporarily enable (restart is invalid)

Echo 1>/proc/sys/net/ipv4/ip_forward

Or

Vim/proc/sys/net/ipv4/ip_forward, change 0 to 1, save and exit

2. Enable permanently

Sed-I's/net. ipv4.ip _ forward = 0/net. ipv4.ip _ forward = 1/'/etc/sysctl. conf

Or

Vim/etc/sysctl. conf, change net. ipv4.ip _ forward = 0 to net. ipv4.ip _ forward = 1, save and quit

Run the sysctl-p command to load kernel parameters from the/etc/sysctl. conf file to make the configuration take effect.