You have configured an IP-IP tunnel between Router A and Router B
Which Junos operational mode command is used to verify that the tunnel interface is up and operational?
A.
show chassis tunnel status
B.
show tunnel interface
C.
show interfaces terse
D.
show interfaces tunnel
C
Keep in mind that a GRE tunnel will automatically show up/up just like a loopback interface. You should use gre oam keepalives to determine if the tunnel is up and passing traffic.