r2507#sh ip protocols
Routing Protocol is "nhrp"
Maximum path: 0
Routing Information Sources:
Gateway Distance Last Update
Distance: (default is 0)
Routing Protocol is "ospf 1"
Outgoing update filter list for all interfaces is not set
Incoming update filter list for all interfaces is not set
Router ID 192.168.255.1
It is an autonomous system boundary router
Redistributing External Routes from,
static, includes subnets in redistribution
Number of areas in this router is 1. 1 normal 0 stub 0 nssa
Maximum path: 4
Routing for Networks:
172.17.1.0 0.0.0.255 area 0
Reference bandwidth unit is 100 mbps
Routing Information Sources:
Gateway Distance Last Update
192.168.255.5 110 06:40:23
192.168.255.3 110 00:00:07
192.168.255.2 110 00:00:23
Distance: (default is 110)