カーネル・パラメータ設定

[演習] 1 の実行結果

# cat /proc/sys/net/ipv4/ip_forward
0
# sysctl net.ipv4.ip_forward
net.ipv4.ip_forward = 0

[演習] 2 の実行結果

# sysctl -w net.ipv4.ip_forward=1
net.ipv4.ip_forward = 1

[演習] 3 の実行結果

# sysctl net.ipv4.ip_forward
net.ipv4.ip_forward = 1