A Linux administrator is using a Linux system as a router. During the tests, the administrator discovers that IP packets are not being sent between the configured interfaces. Which of the following commands enables this feature for IPv4 networks?
A) cat /proc/sys/net/ipv4/ip_route 1
B) echo "1" /proc/sys/net/ipv4/ip_forward
C) echo "1" /proc/sys/net/ipv4/ip_route
D) echo "1" /proc/sys/net/ipv4/ip_net

Question

A Linux administrator is using a Linux system as a router. During the tests, the administrator discovers that IP packets are not being sent between the configured interfaces. Which of the following commands enables this feature for IPv4 networks?
A) cat /proc/sys/net/ipv4/ip_route > 1
B) echo "1" > /proc/sys/net/ipv4/ip_forward
C) echo "1" > /proc/sys/net/ipv4/ip_route
D) echo "1" > /proc/sys/net/ipv4/ip_net

Quizplus · Accepted Answer

The command `echo "1" > /proc/sys/net/ipv4/ip_forward` enables IP forwarding on a Linux system, allowing it to route packets between interfaces for IPv4 networks.

A Linux Administrator Is Using a Linux System as a Router