R1-
		Type-7 AS External Link States (Area 4)

Link ID         ADV Router      Age         Seq#       Checksum Tag
10.255.10.0     10.251.191.46   1701        0x80000056 0x0019CE 100
10.255.30.0     10.251.191.46   1701        0x80000056 0x003C97 100
10.255.31.0     10.251.191.46   1701        0x80000056 0x0031A1 100
10.255.32.0     10.251.191.46   1701        0x80000056 0x0026AB 100
192.168.80.0    10.251.191.46   1701        0x80000056 0x00BA8E 100
192.168.80.16   10.251.191.46   1701        0x80000056 0x001A1F 100

                Type-5 AS External Link States

Link ID         ADV Router      Age         Seq#       Checksum Tag
10.252.40.0     10.250.255.50   1206        0x80002023 0x001F58 0
10.252.41.0     10.250.255.50   1206        0x80002023 0x001462 0
10.252.42.0     10.250.255.50   1206        0x80002023 0x00096C 0
10.252.43.0     10.250.255.50   1206        0x80002023 0x00FD76 0
10.252.53.0     10.250.255.50   1206        0x80002023 0x008FDA 0
10.252.90.0     10.250.255.50   1206        0x80002023 0x0026B9 0


R2- 


                Type-7 AS External Link States (Area 4)

Link ID         ADV Router      Age         Seq#       Checksum Tag
10.255.10.0     10.251.191.46   1863        0x80000056 0x0019CE 100
10.255.30.0     10.251.191.46   1863        0x80000056 0x003C97 100
10.255.31.0     10.251.191.46   1863        0x80000056 0x0031A1 100
10.255.32.0     10.251.191.46   1863        0x80000056 0x0026AB 100
192.168.80.0    10.251.191.46   1863        0x80000056 0x00BA8E 100
192.168.80.16   10.251.191.46   1863        0x80000056 0x001A1F 100

                Type-5 AS External Link States

Link ID         ADV Router      Age         Seq#       Checksum Tag
10.252.40.0     10.250.255.50   1367        0x80002023 0x001F58 0
10.252.41.0     10.250.255.50   1367        0x80002023 0x001462 0
10.252.42.0     10.250.255.50   1367        0x80002023 0x00096C 0
10.252.43.0     10.250.255.50   1367        0x80002023 0x00FD76 0
10.252.53.0     10.250.255.50   1367        0x80002023 0x008FDA 0
10.252.90.0     10.250.255.50   1367        0x80002023 0x0026B9 0

R2#sh ip ospf
 Routing Process "ospf 100" with ID 10.250.255.21
 Start time: 26w3d, Time elapsed: 28w3d
 Supports only single TOS(TOS0) routes
 Supports opaque LSA
 Supports Link-local Signaling (LLS)
 It is an area border and autonomous system boundary router
 Redistributing External Routes from,
 Router is not originating router-LSAs with maximum metric
 Initial SPF schedule delay 5000 msecs
 Minimum hold time between two consecutive SPFs 10000 msecs
 Maximum wait time between two consecutive SPFs 10000 msecs
 Incremental-SPF enabled
 Minimum LSA interval 5 secs
 Minimum LSA arrival 1000 msecs
 LSA group pacing timer 240 secs
 Interface flood pacing timer 33 msecs
 Retransmission pacing timer 66 msecs
 Number of external LSA 6. Checksum Sum 0x01F12F
 Number of opaque AS LSA 0. Checksum Sum 0x000000
 Number of DCbitless external and opaque AS LSA 0
 Number of DoNotAge external and opaque AS LSA 0
 Number of areas in this router is 2. 1 normal 0 stub 1 nssa
 External flood list length 0
 Non-Stop Forwarding enabled
    Area BACKBONE(0)
        Number of interfaces in this area is 2
        Area has message digest authentication
        SPF algorithm last executed 1d17h ago
        SPF algorithm executed 119 times
        Area ranges are
        Number of LSA 305. Checksum Sum 0x94B0C0
        Number of opaque link LSA 0. Checksum Sum 0x000000
        Number of DCbitless LSA 0
        Number of indication LSA 0
        Number of DoNotAge LSA 0
        Flood list length 0
    Area 4
        Number of interfaces in this area is 58
        It is a NSSA area
        Perform type-7/type-5 LSA translation
        Area has message digest authentication
        SPF algorithm last executed 1d17h ago
        SPF algorithm executed 63 times
        Area ranges are
        Number of LSA 15. Checksum Sum 0x076957
        Number of opaque link LSA 0. Checksum Sum 0x000000
        Number of DCbitless LSA 0
        Number of indication LSA 0
        Number of DoNotAge LSA 0
        Flood list length 0