myITmicroblog

In this 5th post about OSPF variations I will present NSSA with default information originate option. R8 and R9 can see area 0 prefixes and default gateway from R7 (O* N2 0.0.0.0/0) R6#sh ip route ... Gateway of last resort is not set       10.0.0.0/8 is variably subnetted, 6 subnets, 2 masks C        10.0.0.0/24 is directly connected, FastEthernet0/0 L        10.0.0.6/32 is directly connected, FastEthernet0/0 O IA     10.1.0.0/24 [110/2] via 10.0.0.7, 00:26:45, FastEthernet0/0 O IA     10.2.0.0/24 [110/3] via 10.0.0.7, 00:00:08, FastEthernet0/0 C        10.10.10.0/24 is directly connected, Loopback0 L        10.10.10.6/32 is directly connected, Loopback0       172.16.0.0/24 is subnetted, 2 subnets O E2     172.16.3.0 [110/200] via 10.0.0.7, 00:00:07, FastEthernet0/0 O E2     172.16.4.0 [110/200] via 10.0.0.7, 00:00:07, FastEthernet0/0 R6#sh ip ospf database database-summary             OSPF Router with ID (10.10.10.6) (Process ID 10) Area 0 database summary   LSA Type      Coun

In this fourth post I present Not-So-Stubby Area: R6#sh ip route ... Gateway of last resort is not set       10.0.0.0/8 is variably subnetted, 6 subnets, 2 masks C        10.0.0.0/24 is directly connected, FastEthernet0/0 L        10.0.0.6/32 is directly connected, FastEthernet0/0 O IA     10.1.0.0/24 [110/2] via 10.0.0.7, 00:26:45, FastEthernet0/0 O IA     10.2.0.0/24 [110/3] via 10.0.0.7, 00:00:08, FastEthernet0/0 C        10.10.10.0/24 is directly connected, Loopback0 L        10.10.10.6/32 is directly connected, Loopback0       172.16.0.0/24 is subnetted, 2 subnets O E2     172.16.3.0 [110/200] via 10.0.0.7, 00:00:07, FastEthernet0/0 O E2     172.16.4.0 [110/200] via 10.0.0.7, 00:00:07, FastEthernet0/0 R6#sh ip ospf database database-summary             OSPF Router with ID (10.10.10.6) (Process ID 10) Area 0 database summary   LSA Type      Count    Delete   Maxage   Router        2        0        0   Network       1        0        0   Summary Net   2        0        0