Lab 4. OSPF Totally Stub Area

R2(config)#router ospf 2
R2(config-router)#no area 1 stub
R2(config-router)#area 1 stub no-summary

R3(config-router)#do sh ip route
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 23.23.23.2 to network 0.0.0.0

2.0.0.0/32 is subnetted, 1 subnets
O 2.2.2.2 [110/11] via 23.23.23.2, 00:00:16, Ethernet0/0
3.0.0.0/32 is subnetted, 1 subnets
C 3.3.3.3 is directly connected, Loopback0
23.0.0.0/24 is subnetted, 1 subnets
C 23.23.23.0 is directly connected, Ethernet0/0
30.0.0.0/32 is subnetted, 2 subnets
C 30.30.30.2 is directly connected, Loopback2
C 30.30.30.1 is directly connected, Loopback1
O*IA 0.0.0.0/0 [110/11] via 23.23.23.2, 00:00:16, Ethernet0/0

R3(config-router)#do sh ip ospf database

OSPF Router with ID (30.30.30.2) (Process ID 3)

Router Link States (Area 1)

Link ID ADV Router Age Seq# Checksum Link count
23.23.23.2 23.23.23.2 106 0x80000007 0x00EFFD 2
30.30.30.2 30.30.30.2 518 0x80000006 0x00A917 2

Net Link States (Area 1)

Link ID ADV Router Age Seq# Checksum
23.23.23.3 30.30.30.2 518 0x80000001 0x00C330

Summary Net Link States (Area 1)

Link ID ADV Router Age Seq# Checksum
0.0.0.0 23.23.23.2 618 0x80000001 0x007B7B

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