Refer to the exhibit.
        
Tunnel100 is up, line protocol is up
 Hardware is Tunnel
 Internet address is 192.168.200.1/24
 MTU 17912 bytes, BW 100 Kbit/sec, DLY 50000 usec,
  reliability 255/255, txload 1/255, rxload 1/255
 Encapsulation TUNNEL, loopback not set
 Keepalive set (10 sec), retries 3
 Tunnel source 209.165.202.129 (GigabitEthernet0/1)
  Tunnel Subblocks:
   src-track:
    Tunnel100 source tracking subblock associated with GigabitEthernetO/1
    Set of tunnels with source GigabitEthernet0/1, 1 members (includes iterators), on interface 
  Tunnel protocol/transport GRE/IP
   Key disabled, sequencing disabled
   Checksumming of packets disabled
  Tunnel TTL 255, Fast tunneling enabled
  Tunnel transport MTU 1476 bytes
      
      
      A network engineer configures a GRE tunnel and enters the show interface tunnel command. What does the output confirm about the configuration?