R1#sh run int tu 0
Building configuration...

Current configuration : 181 bytes
!
interface Tunnel0
 ip address 71.71.71.1 255.255.255.0
 ip router isis
 isis hello-multiplier 4
 isis hello-interval 20
 tunnel source Loopback0
 tunnel destination 7.7.7.7
end

R1#
RACK16AS>7
[Resuming connection 7 to r7 ... ]

*
R7#sh run int tu 0
Building configuration...

Current configuration : 181 bytes
!
interface Tunnel0
 ip address 71.71.71.7 255.255.255.0
 ip router isis
 isis hello-multiplier 4
 isis hello-interval 20
 tunnel source Loopback0
 tunnel destination 1.1.1.1
end

R7#