Refer to the exhibit. A network engineer configures a GRE tunnel and enters the show Interface tunnel command. What does the output confirm about the configuration?
A. The keepalive value is modified from the default value.
B. Interface tracking is configured.
C. The tunnel mode is set to the default.
D. The physical interface MTU is 1476 bytes.
Answer:C
Refer to the exhibit. A network engineer configures a GRE tunnel and enters the show Interface tunnel command. What does the output confirm about the configuration?
A. The keepalive value is modified from the default value. B. Interface tracking is configured. C. The tunnel mode is set to the default. D. The physical interface MTU is 1476 bytes.
Explanation: From the “Tunnel protocol/transport GRE/IP” line, we can deduce this tunnel is using the default IPv4 Layer-3 tunnel mode. We can return to this default mode with the tunnel mode gre ip command.