R1#sh ip ospf database
OSPF Router with ID (1.1.1.1) (Process ID 100)
Router Link States (Area 0)
Link ID ADV Router Age Seq# Checksum Link count
1.1.1.1 1.1.1.1 412 0x80000003 0x006C0D 2
2.2.2.2 2.2.2.2 417 0x80000004 0x000A69 2
Summary Net Link States (Area 0)
Link ID ADV Router Age Seq# Checksum
10.0.0.0 1.1.1.1 513 0x80000001 0x00E050
10.0.0.0 2.2.2.2 92 0x80000003 0x00C861
10.0.0.4 1.1.1.1 513 0x80000001 0x00B874
10.0.0.4 2.2.2.2 372 0x80000005 0x009C87
20.0.0.0 1.1.1.1 376 0x80000001 0x0068BD
20.0.0.0 2.2.2.2 561 0x80000001 0x0040E2
20.0.0.4 1.1.1.1 97 0x80000004 0x003AE4
20.0.0.4 2.2.2.2 561 0x80000001 0x001807
Router Link States (Area 100)
Link ID ADV Router Age Seq# Checksum Link count
1.1.1.1 1.1.1.1 101 0x80000006 0x00B91F 2
2.2.2.2 2.2.2.2 564 0x80000010 0x00B3EA 2
11.11.11.11 11.11.11.11 104 0x8000000B 0x00581E 2
22.22.22.22 22.22.22.22 386 0x8000000A 0x0022FC 2
Net Link States (Area 100)
Link ID ADV Router Age Seq# Checksum
10.0.0.1 1.1.1.1 103 0x80000001 0x00D225
10.0.0.5 1.1.1.1 382 0x80000001 0x00D2F4
20.0.0.1 2.2.2.2 1493 0x80000005 0x007441
20.0.0.5 2.2.2.2 1493 0x80000005 0x0024B9
Summary Net Link States (Area 100)
Link ID ADV Router Age Seq# Checksum
0.0.0.0 1.1.1.1 424 0x80000001 0x001B17
0.0.0.0 2.2.2.2 565 0x80000001 0x00FC31
Type-7 AS External Link States (Area 100)
Link ID ADV Router Age Seq# Checksum Tag
172.28.48.90 11.11.11.11 1698 0x80000002 0x0040F1 0
172.28.48.90 22.22.22.22 1468 0x80000003 0x002BD5 0
Type-5 AS External Link States
Link ID ADV Router Age Seq# Checksum Tag
172.28.48.90 2.2.2.2 179 0x80000002 0x0058E5 0
******************************************************************
R1# sh ip route 172.28.48.90
Routing entry for 172.28.48.90/32
Known via "ospf 100", distance 110, metric 10, type extern 2, forward metric 1
Last update from 10.0.0.6 on FastEthernet0/1, 00:03:35 ago
Routing Descriptor Blocks:
* 10.0.0.6, from 2.2.2.2, 00:03:35 ago, via FastEthernet0/1
Route metric is 10, traffic share count is 1
******************************************************************
R1#sh ip route ospf
20.0.0.0/30 is subnetted, 2 subnets
O 20.0.0.4 [110/2] via 10.0.0.2, 00:07:08, FastEthernet0/0
O 20.0.0.0 [110/2] via 10.0.0.6, 00:07:08, FastEthernet0/1
172.28.0.0/32 is subnetted, 1 subnets
O E2 172.28.48.90 [110/10] via 10.0.0.6, 00:07:08, FastEthernet0/1
******************************************************************
R1#sh ip ospf neighbor
Neighbor ID Pri State Dead Time Address Interface
2.2.2.2 0 FULL/ - 00:00:31 12.0.0.2 Serial0/0.12
22.22.22.22 0 FULL/DROTHER 00:00:35 10.0.0.6 FastEthernet0/1
11.11.11.11 0 FULL/DROTHER 00:00:38 10.0.0.2 FastEthernet0/0
#####################################################################
R2#sh ip ospf database
OSPF Router with ID (2.2.2.2) (Process ID 100)
Router Link States (Area 0)
Link ID ADV Router Age Seq# Checksum Link count
1.1.1.1 1.1.1.1 458 0x80000003 0x006C0D 2
2.2.2.2 2.2.2.2 462 0x80000004 0x000A69 2
Summary Net Link States (Area 0)
Link ID ADV Router Age Seq# Checksum
10.0.0.0 1.1.1.1 558 0x80000001 0x00E050
10.0.0.0 2.2.2.2 137 0x80000003 0x00C861
10.0.0.4 1.1.1.1 558 0x80000001 0x00B874
10.0.0.4 2.2.2.2 417 0x80000005 0x009C87
20.0.0.0 1.1.1.1 423 0x80000001 0x0068BD
20.0.0.0 2.2.2.2 606 0x80000001 0x0040E2
20.0.0.4 1.1.1.1 143 0x80000004 0x003AE4
20.0.0.4 2.2.2.2 606 0x80000001 0x001807
Router Link States (Area 100)
Link ID ADV Router Age Seq# Checksum Link count
1.1.1.1 1.1.1.1 149 0x80000006 0x00B91F 2
2.2.2.2 2.2.2.2 607 0x80000010 0x00B3EA 2
11.11.11.11 11.11.11.11 150 0x8000000B 0x00581E 2
22.22.22.22 22.22.22.22 429 0x8000000A 0x0022FC 2
Net Link States (Area 100)
Link ID ADV Router Age Seq# Checksum
10.0.0.1 1.1.1.1 150 0x80000001 0x00D225
10.0.0.5 1.1.1.1 430 0x80000001 0x00D2F4
20.0.0.1 2.2.2.2 1536 0x80000005 0x007441
20.0.0.5 2.2.2.2 1536 0x80000005 0x0024B9
Summary Net Link States (Area 100)
Link ID ADV Router Age Seq# Checksum
0.0.0.0 1.1.1.1 471 0x80000001 0x001B17
0.0.0.0 2.2.2.2 608 0x80000001 0x00FC31
Type-7 AS External Link States (Area 100)
Link ID ADV Router Age Seq# Checksum Tag
172.28.48.90 11.11.11.11 1741 0x80000002 0x0040F1 0
172.28.48.90 22.22.22.22 1513 0x80000003 0x002BD5 0
Type-5 AS External Link States
Link ID ADV Router Age Seq# Checksum Tag
172.28.48.90 2.2.2.2 224 0x80000002 0x0058E5 0
******************************************************************
R2#sh ip route 172.28.48.90
Routing entry for 172.28.48.90/32
Known via "ospf 100", distance 110, metric 10, type NSSA extern 2, forward metric 2
Last update from 20.0.0.6 on FastEthernet0/1, 00:04:15 ago
Routing Descriptor Blocks:
* 20.0.0.2, from 22.22.22.22, 00:04:15 ago, via FastEthernet0/0
Route metric is 10, traffic share count is 1
20.0.0.6, from 11.11.11.11, 00:04:15 ago, via FastEthernet0/1
Route metric is 10, traffic share count is 1
******************************************************************
R2#sh ip ospf neighbor
Neighbor ID Pri State Dead Time Address Interface
1.1.1.1 0 FULL/ - 00:00:30 12.0.0.1 Serial0/0.12
11.11.11.11 0 FULL/DROTHER 00:00:35 20.0.0.6 FastEthernet0/1
22.22.22.22 0 FULL/DROTHER 00:00:37 20.0.0.2 FastEthernet0/0
******************************************************************
R2#sh ip route ospf
172.28.0.0/32 is subnetted, 1 subnets
O N2 172.28.48.90 [110/10] via 20.0.0.2, 00:01:08, FastEthernet0/0
[110/10] via 20.0.0.6, 00:01:08, FastEthernet0/1
10.0.0.0/30 is subnetted, 2 subnets
O 10.0.0.0 [110/2] via 20.0.0.6, 00:01:08, FastEthernet0/1
O 10.0.0.4 [110/2] via 20.0.0.2, 00:01:08, FastEthernet0/0