R2#sh run int tu 0
Building configuration...

Current configuration : 141 bytes
!
interface Tunnel0
 ip address 24.24.24.2 255.255.255.0
 ip pim sparse-dense-mode
 tunnel source Loopback1
 tunnel destination 4.4.4.4
end

R2#
RACK5AS>4
[Resuming connection 4 to r4 ... ]

R4#sh run int tu 0
Building configuration...

Current configuration : 141 bytes
!
interface Tunnel0
 ip address 24.24.24.4 255.255.255.0
 ip pim sparse-dense-mode
 tunnel source Loopback0
 tunnel destination 2.2.2.2
end

R4#sh run | i ip mroute
ip mroute 0.0.0.0 0.0.0.0 Tunnel0
R4#