=~=~=~=~=~=~=~=~=~=~=~= PuTTY log 2024.04.27 20:14:18 =~=~=~=~=~=~=~=~=~=~=~=
show ip ospf inter brie

R4#show ip ospf neigh

R4#show ip route 20.20.20.1
Routing entry for 20.20.20.1/32
  Known via "connected", distance 0, metric 0 (connected, via interface)
  Routing Descriptor Blocks:
  * directly connected, via Loopback4
      Route metric is 0, traffic share count is 1

R4#show ip route 20.20.20.1          
Codes: C - connected, S - static, R - RIP, M - mobile, B - BGP
       D - EIGRP, EX - EIGRP external, O - OSPF, IA - OSPF inter area 
       N1 - OSPF NSSA external type 1, N2 - OSPF NSSA external type 2
       E1 - OSPF external type 1, E2 - OSPF external type 2
       i - IS-IS, su - IS-IS summary, L1 - IS-IS level-1, L2 - IS-IS level-2
       ia - IS-IS inter area, * - candidate default, U - per-user static route
       o - ODR, P - periodic downloaded static route

Gateway of last resort is 10.1.24.2 to network 0.0.0.0

     20.0.0.0/32 is subnetted, 1 subnets
C       20.20.20.1 is directly connected, Loopback4
     10.0.0.0/24 is subnetted, 1 subnets
C       10.1.24.0 is directly connected, FastEthernet0/0
S*   0.0.0.0/0 [1/0] via 10.1.24.2
R4#