ospf的选路及汇总

R2#sho ip route 4.4.4.4
Routing entry for 4.4.4.4/32
 Known via "ospf 100", distance 110, metric 21, type intra area
 Last update from 192.168.24.4 on Ethernet1/4, 00:02:55 ago
 Routing Descriptor Blocks:
 * 192.168.24.4, from 4.4.4.4, 00:02:55 ago, via Ethernet1/4
     Route metric is 21, traffic share count is 1

 

R3

area 1 range 4.4.4.0 255.255.255.0

R3#sho ip route 4.4.4.0
Routing entry for 4.4.4.0/24
 Known via "ospf 100", distance 110, metric 0, type intra area
 Routing Descriptor Blocks:
 * directly connected, via Null0
     Route metric is 0, traffic share count is 1