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通过OSPF协议实现全网全通

R1配置

!

!

interface Loopback0

ip address 1.1.1.1 255.255.255.255

!

interface Loopback1

ip address 192.168.0.1 255.255.255.0

!

interface Loopback2

ip address 192.168.1.1 255.255.255.0

!

interface FastEthernet0/0

ip address 10.0.0.5 255.255.255.252

duplex auto

speed auto

!

interface FastEthernet0/1

ip address 10.0.0.1 255.255.255.252

duplex auto

speed auto

!

routerospf 1

router-id 1.1.1.1

log-adjacency-changes

area 1 nssa

network 1.1.1.1 0.0.0.0 area 0

network 10.0.0.0 0.0.0.3 area 0

network 10.0.0.4 0.0.0.3 area 1

network 192.168.0.0 0.0.0.255 area 0

network 192.168.1.0 0.0.0.255 area 0

!

Gateway of last resort is not set

    1.0.0.0/32 is subnetted, 1 subnets

C      1.1.1.1 is directly connected, Loopback0

    2.0.0.0/32 is subnetted, 1 subnets

O      2.2.2.2 [110/11] via 10.0.0.2, 00:14:38, FastEthernet0/1

    3.0.0.0/32 is subnetted, 1 subnets

O IA   3.3.3.3 [110/21] via 10.0.0.2, 00:14:38, FastEthernet0/1

 192.168.8.0/29 is subnetted, 1 subnets  //信息类型静态

O N2   192.168.8.0 [110/20] via 10.0.0.6,00:12:51, FastEthernet0/0  //NSSA区域内为N2

    4.0.0.0/32 is subnetted, 1 subnets

O IA   4.4.4.4 [110/31] via 10.0.0.2, 00:12:56, FastEthernet0/1

    5.0.0.0/32 is subnetted, 1 subnets

O      5.5.5.5 [110/11] via 10.0.0.6, 00:24:24, FastEthernet0/0

    192.168.4.0/32 is subnetted, 1 subnets

O IA   192.168.4.1 [110/31] via 10.0.0.2, 00:12:58, FastEthernet0/1

    192.168.5.0/32 is subnetted, 1 subnets

O      192.168.5.1 [110/11] via 10.0.0.6, 00:24:25, FastEthernet0/0

    10.0.0.0/30 is subnetted, 4 subnets

O IA   10.0.0.8 [110/20] via 10.0.0.2, 00:14:40, FastEthernet0/1

O IA   10.0.0.12 [110/30] via 10.0.0.2, 00:14:40, FastEthernet0/1

C      10.0.0.0 is directly connected, FastEthernet0/1

C      10.0.0.4 is directly connected, FastEthernet0/0

C   192.168.0.0/24 is directly connected, Loopback1

C   192.168.1.0/24 is directly connected, Loopback2

    192.168.2.0/32 is subnetted, 1 subnets

O      192.168.2.1 [110/11] via 10.0.0.2, 00:14:40, FastEthernet0/1

    192.168.3.0/32 is subnetted, 1 subnets

O IA   192.168.3.1 [110/21] via 10.0.0.2, 00:14:40, FastEthernet0/1

R1#  shipos ne

Neighbor ID    Pri  State          Dead Time  Address        Interface

2.2.2.2          1  FULL/DR        00:00:34   10.0.0.2       FastEthernet0/1

5.5.5.5          1  FULL/DR        00:00:30   10.0.0.6       FastEthernet0/0

R1#sh ipos da

           OSPF Router with ID (1.1.1.1) (Process ID 1)

                 RouterLink States (Area 0)

Link ID        ADV Router     Age        Seq#      Checksum Link count

1.1.1.1        1.1.1.1        868        0x80000005 0x0020D6 4

2.2.2.2        2.2.2.2        67         0x80000006 0x0036F4 4

3.3.3.3        3.3.3.3        2    (DNA) 0x80000002 0x0008E9 1

                 NetLink States (Area 0)

Link ID        ADV Router     Age        Seq#      Checksum

10.0.0.2       2.2.2.2        839        0x80000003 0x002DED

                 SummaryNet Link States (Area 0)

Link ID        ADV Router     Age        Seq#      Checksum

3.3.3.3        2.2.2.2        839        0x80000003 0x002DEE

3.3.3.3        3.3.3.3        888  (DNA) 0x80000001 0x00AE75

4.4.4.4        3.3.3.3        2    (DNA) 0x80000001 0x00E431

5.5.5.5        1.1.1.1        868        0x80000003 0x00EE29

10.0.0.4       1.1.1.1        868        0x80000004 0x000D14

10.0.0.8       2.2.2.2        839        0x80000004 0x00C652

10.0.0.8       3.3.3.3        888  (DNA) 0x80000001 0x00AE69

10.0.0.12      3.3.3.3        888  (DNA) 0x80000001 0x00868D

192.168.3.1    2.2.2.2        841        0x80000003 0x00DADF

192.168.3.1    3.3.3.3        888  (DNA) 0x80000001 0x005C66

192.168.4.1    3.3.3.3        2    (DNA) 0x80000001 0x00B502

192.168.5.1    1.1.1.1        870        0x80000003 0x00E2D9

                 RouterLink States (Area 1)

Link ID        ADV Router     Age        Seq#      Checksum Link count

1.1.1.1        1.1.1.1        870        0x80000005 0x0020D5 1

5.5.5.5        5.5.5.5        106        0x80000006 0x0073BB 3

                 NetLink States (Area 1)

Link ID        ADV Router     Age        Seq#      Checksum

10.0.0.6       5.5.5.5        836        0x80000003 0x00B642

                 SummaryNet Link States (Area 1)

Link ID        ADV Router     Age        Seq#      Checksum

1.1.1.1        1.1.1.1        870        0x80000003 0x00E843

2.2.2.2        1.1.1.1        871        0x80000003 0x001FFE

3.3.3.3        1.1.1.1        871        0x80000003 0x0055BA

4.4.4.4        1.1.1.1        109        0x80000002 0x008D75

10.0.0.0       1.1.1.1        871        0x80000004 0x00DA44

10.0.0.8       1.1.1.1        871        0x80000003 0x00F01D

10.0.0.12      1.1.1.1        109        0x80000002 0x002FD1

192.168.0.1    1.1.1.1        871        0x80000003 0x005B6A

192.168.1.1    1.1.1.1        871        0x80000003 0x005074

192.168.2.1    1.1.1.1        871        0x80000003 0x00A910

192.168.3.1    1.1.1.1        871        0x80000003 0x0003AB

192.168.4.1    1.1.1.1        109        0x80000002 0x005E46

                 Type-7AS External Link States (Area 1)

Link ID        ADV Router     Age        Seq#      Checksum Tag

192.168.8.0    5.5.5.5        39         0x80000001 0x000F99 0

                 Type-5AS External Link States

Link ID        ADV Router     Age        Seq#      Checksum Tag

192.168.8.0    1.1.1.1        38         0x80000001 0x001CA6 0

R2配置

!

interface Loopback0

ip address 2.2.2.2 255.255.255.255

!

interface Loopback1

ip address 192.168.2.1 255.255.255.0

!

interface FastEthernet0/0

ip address 10.0.0.9 255.255.255.252

duplex auto

speed auto

!

interface FastEthernet0/1

ip address 10.0.0.2 255.255.255.252

duplex auto

speed auto

!

routerospf 1

router-id 2.2.2.2

log-adjacency-changes

area 2 virtual-link3.3.3.3  //虚链路

network 2.2.2.2 0.0.0.0 area 0

network 10.0.0.0 0.0.0.3 area 0

network 10.0.0.8 0.0.0.3 area 2

network 192.168.2.0 0.0.0.255 area 0

!

Gateway of last resort is not set

    1.0.0.0/32 is subnetted, 1 subnets

O      1.1.1.1 [110/11] via 10.0.0.1, 00:14:04, FastEthernet0/1

    2.0.0.0/32 is subnetted, 1 subnets

C      2.2.2.2 is directly connected, Loopback0

    3.0.0.0/32 is subnetted, 1 subnets

O      3.3.3.3 [110/11] via 10.0.0.10, 00:17:13, FastEthernet0/0

192.168.8.0/29 issubnetted, 1 subnets

O E2   192.168.8.0 [110/20] via 10.0.0.1,00:14:04, FastEthernet0/1

    4.0.0.0/32 is subnetted, 1 subnets

O IA   4.4.4.4 [110/21] via 10.0.0.10, 00:14:04, FastEthernet0/0

    5.0.0.0/32 is subnetted, 1 subnets

O IA   5.5.5.5 [110/21] via 10.0.0.1, 00:14:05, FastEthernet0/1

    192.168.4.0/32 is subnetted, 1 subnets

O IA   192.168.4.1 [110/21] via 10.0.0.10, 00:14:07, FastEthernet0/0

    192.168.5.0/32 is subnetted, 1 subnets

O IA   192.168.5.1 [110/21] via 10.0.0.1, 00:14:07, FastEthernet0/1

    10.0.0.0/30 is subnetted, 4 subnets

C      10.0.0.8 is directly connected, FastEthernet0/0

O IA   10.0.0.12 [110/20] via 10.0.0.10, 00:14:07, FastEthernet0/0

C      10.0.0.0 is directly connected, FastEthernet0/1

O IA   10.0.0.4 [110/20] via 10.0.0.1, 00:14:07, FastEthernet0/1

    192.168.0.0/32 is subnetted, 1 subnets

O      192.168.0.1 [110/11] via 10.0.0.1, 00:14:07, FastEthernet0/1

    192.168.1.0/32 is subnetted, 1 subnets

O      192.168.1.1 [110/11] via 10.0.0.1, 00:14:07, FastEthernet0/1

C   192.168.2.0/24 is directly connected, Loopback1

    192.168.3.0/32 is subnetted, 1 subnets

O      192.168.3.1 [110/11] via 10.0.0.10, 00:17:16, FastEthernet0/0

R2(config-router)#do shipos ne

Neighbor ID    Pri  State          Dead Time  Address        Interface

3.3.3.3          0  FULL/ -          -       10.0.0.10      OSPF_VL4

1.1.1.1          1  FULL/BDR       00:00:37   10.0.0.1       FastEthernet0/1

3.3.3.3          1  FULL/DR        00:00:30   10.0.0.10      FastEthernet0/0

R2(config-router)#do shipos da

           OSPF Router with ID (2.2.2.2) (Process ID 1)

                 RouterLink States (Area 0)

Link ID        ADV Router     Age        Seq#      Checksum Link count

1.1.1.1        1.1.1.1        1886       0x80000004 0x0022D5 4

2.2.2.2        2.2.2.2        1111       0x80000005 0x0038F3 4

3.3.3.3        3.3.3.3        1    (DNA) 0x80000002 0x0008E9 1

                 NetLink States (Area 0)

Link ID        ADV Router     Age        Seq#      Checksum

10.0.0.2       2.2.2.2        1897       0x80000002 0x002FEC

                 SummaryNet Link States (Area 0)

Link ID        ADV Router     Age        Seq#      Checksum

3.3.3.3        2.2.2.2        1897       0x80000002 0x002FED

3.3.3.3        3.3.3.3        887  (DNA) 0x80000001 0x00AE75

4.4.4.4        3.3.3.3        1    (DNA) 0x80000001 0x00E431

5.5.5.5        1.1.1.1        1886       0x80000002 0x00F028

10.0.0.4       1.1.1.1        1886       0x80000003 0x000F13

10.0.0.8       2.2.2.2        1897       0x80000003 0x00C851

10.0.0.8       3.3.3.3        887  (DNA) 0x80000001 0x00AE69

10.0.0.12      3.3.3.3        887  (DNA) 0x80000001 0x00868D

192.168.3.1    2.2.2.2        1900       0x80000002 0x00DCDE

192.168.3.1    3.3.3.3        887  (DNA) 0x80000001 0x005C66

192.168.4.1    3.3.3.3        1    (DNA) 0x80000001 0x00B502

192.168.5.1    1.1.1.1        1888       0x80000002 0x00E4D8

                 RouterLink States (Area 2)

Link ID        ADV Router     Age        Seq#      Checksum Link count

2.2.2.2        2.2.2.2        1113       0x80000005 0x009455 1

3.3.3.3        3.3.3.3        1114       0x80000006 0x00192B 3

                 NetLink States (Area 2)

Link ID        ADV Router     Age        Seq#      Checksum

10.0.0.10      3.3.3.3        1859       0x80000002 0x0015F2

                 SummaryNet Link States (Area 2)

Link ID        ADV Router     Age        Seq#      Checksum

1.1.1.1        2.2.2.2        1900       0x80000002 0x008B99

2.2.2.2        2.2.2.2        1901       0x80000002 0x00F832

4.4.4.4        3.3.3.3        999        0x80000001 0x00E431

5.5.5.5        2.2.2.2        1901       0x80000002 0x0037D3

10.0.0.0       2.2.2.2        1901       0x80000003 0x001909

10.0.0.4       2.2.2.2        1901       0x80000002 0x0057BD

10.0.0.12      3.3.3.3        115        0x80000002 0x00848E

192.168.0.1    2.2.2.2        1901       0x80000002 0x00FDC0

192.168.1.1    2.2.2.2        1901       0x80000002 0x00F2CA

192.168.2.1    2.2.2.2        1901       0x80000002 0x008343

192.168.4.1    3.3.3.3        999        0x80000001 0x00B502

192.168.5.1    2.2.2.2        1901       0x80000002 0x002B84

                 SummaryASB Link States (Area 2)

Link ID        ADV Router     Age        Seq#      Checksum

1.1.1.1        2.2.2.2        1901       0x80000002 0x0073B1

1.1.1.1        3.3.3.3        1111       0x80000001 0x00BB5C

                 Type-5AS External Link States

Link ID        ADV Router     Age        Seq#      Checksum Tag

192.168.8.0    1.1.1.1        1676       0x80000001 0x0015AD 0

R3配置

interface Loopback0

ip address 3.3.3.3 255.255.255.255

!

interface Loopback1

ip address 192.168.3.1 255.255.255.0

!

interface FastEthernet0/0

ip address 10.0.0.10 255.255.255.252

duplex auto

speed auto

!

interface FastEthernet0/1

ip address 10.0.0.13 255.255.255.252

duplex auto

speed auto

!

routerospf 1

router-id 3.3.3.3

log-adjacency-changes

 area 2 virtual-link 2.2.2.2    // 虚链路配置

area 3 stub no-summary    //完全末梢区域ABR配置

network 3.3.3.3 0.0.0.0 area 2

network 10.0.0.8 0.0.0.3 area 2

network 10.0.0.12 0.0.0.3 area 3

network 192.168.3.0 0.0.0.255 area 2

R3(config-router)#do shipos ne

Neighbor ID    Pri  State          Dead Time  Address        Interface

2.2.2.2          0  FULL/ -          -       10.0.0.9       OSPF_VL1

2.2.2.2          1  FULL/BDR       00:00:29   10.0.0.9       FastEthernet0/0

4.4.4.4          1  FULL/DR        00:00:35   10.0.0.14      FastEthernet0/1

Gateway of last resort is not set

    1.0.0.0/32 is subnetted, 1 subnets

O      1.1.1.1 [110/21] via 10.0.0.9, 00:16:36, FastEthernet0/0

    2.0.0.0/32 is subnetted, 1 subnets

O      2.2.2.2 [110/11] via 10.0.0.9, 00:16:36, FastEthernet0/0

    3.0.0.0/32 is subnetted, 1 subnets

C      3.3.3.3 is directly connected, Loopback0

192.168.8.0/29 issubnetted, 1 subnets   //信息类型静态

O E2   192.168.8.0 [110/20] via 10.0.0.9,00:16:36, FastEthernet0/0  //LAS 4泛洪通告

    4.0.0.0/32 is subnetted, 1 subnets

O      4.4.4.4 [110/11] via 10.0.0.14, 00:16:36, FastEthernet0/1

    5.0.0.0/32 is subnetted, 1 subnets

O IA   5.5.5.5 [110/31] via 10.0.0.9, 00:16:37, FastEthernet0/0

    192.168.4.0/32 is subnetted, 1 subnets

O      192.168.4.1 [110/11] via 10.0.0.14, 00:16:39, FastEthernet0/1

    192.168.5.0/32 is subnetted, 1 subnets

O IA   192.168.5.1 [110/31] via 10.0.0.9, 00:16:39, FastEthernet0/0

    10.0.0.0/30 is subnetted, 4 subnets

C      10.0.0.8 is directly connected, FastEthernet0/0

C      10.0.0.12 is directly connected, FastEthernet0/1

O      10.0.0.0 [110/20] via 10.0.0.9, 00:16:39, FastEthernet0/0

O IA   10.0.0.4 [110/30] via 10.0.0.9, 00:16:39, FastEthernet0/0

    192.168.0.0/32 is subnetted, 1 subnets

O      192.168.0.1 [110/21] via 10.0.0.9, 00:16:39, FastEthernet0/0

    192.168.1.0/32 is subnetted, 1 subnets

O      192.168.1.1 [110/21] via 10.0.0.9, 00:16:39, FastEthernet0/0

    192.168.2.0/32 is subnetted, 1 subnets

O      192.168.2.1 [110/11] via 10.0.0.9, 00:16:39, FastEthernet0/0

C   192.168.3.0/24 is directly connected, Loopback1

R3(config-router)# do shipos da

           OSPF Router with ID (3.3.3.3) (Process ID 1)

                 RouterLink States (Area 0)

Link ID        ADV Router     Age        Seq#      Checksum Link count

1.1.1.1        1.1.1.1        775  (DNA) 0x80000004 0x0022D5 4

2.2.2.2        2.2.2.2        1    (DNA) 0x80000005 0x0038F3 4

3.3.3.3        3.3.3.3        1293       0x80000002 0x0008E9 1

                 NetLink States (Area 0)

Link ID        ADV Router     Age        Seq#      Checksum

10.0.0.2       2.2.2.2        786  (DNA) 0x80000002 0x002FEC

                 SummaryNet Link States (Area 0)

Link ID        ADV Router     Age        Seq#      Checksum

3.3.3.3        2.2.2.2        786  (DNA) 0x80000002 0x002FED

3.3.3.3        3.3.3.3        293        0x80000002 0x00AC76

4.4.4.4        3.3.3.3        1177       0x80000001 0x00E431

5.5.5.5        1.1.1.1        775  (DNA) 0x80000002 0x00F028

10.0.0.4       1.1.1.1        775  (DNA) 0x80000003 0x000F13

10.0.0.8       2.2.2.2        786  (DNA) 0x80000003 0x00C851

10.0.0.8       3.3.3.3        295        0x80000002 0x00AC6A

10.0.0.12      3.3.3.3        295        0x80000002 0x00848E

192.168.3.1    2.2.2.2        786  (DNA) 0x80000002 0x00DCDE

192.168.3.1    3.3.3.3        295        0x80000002 0x005A67

192.168.4.1    3.3.3.3        1179       0x80000001 0x00B502

192.168.5.1    1.1.1.1        775  (DNA) 0x80000002 0x00E4D8

                 RouterLink States (Area 2)

Link ID        ADV Router     Age        Seq#      Checksum Link count

2.2.2.2        2.2.2.2        1296       0x80000005 0x009455 1

3.3.3.3        3.3.3.3        1295       0x80000006 0x00192B 3

                 NetLink States (Area 2)

Link ID        ADV Router     Age        Seq#      Checksum

10.0.0.10      3.3.3.3        43         0x80000003 0x0013F3

                 SummaryNet Link States (Area 2)

Link ID        ADV Router     Age        Seq#      Checksum

1.1.1.1        2.2.2.2        27         0x80000003 0x00899A

2.2.2.2        2.2.2.2        29         0x80000003 0x00F633

4.4.4.4        3.3.3.3        1181       0x80000001 0x00E431

5.5.5.5        2.2.2.2        29         0x80000003 0x0035D4

10.0.0.0       2.2.2.2        29         0x80000004 0x00170A

10.0.0.4       2.2.2.2        29         0x80000003 0x0055BE

10.0.0.12      3.3.3.3        297        0x80000002 0x00848E

192.168.0.1    2.2.2.2        29         0x80000003 0x00FBC1

192.168.1.1    2.2.2.2        29         0x80000003 0x00F0CB

192.168.2.1    2.2.2.2        29         0x80000003 0x008144

192.168.4.1    3.3.3.3        1181       0x80000001 0x00B502

192.168.5.1    2.2.2.2        29         0x80000003 0x002985

                 SummaryASB Link States (Area 2)

Link ID        ADV Router     Age        Seq#      Checksum

1.1.1.1        2.2.2.2        29         0x80000003 0x0071B2

1.1.1.1        3.3.3.3        1292       0x80000001 0x00BB5C

                 RouterLink States (Area 3)

Link ID        ADV Router     Age        Seq#      Checksum Link count

3.3.3.3        3.3.3.3        1184       0x80000007 0x00B627 1

4.4.4.4        4.4.4.4        84         0x80000005 0x002A0D 3

                 NetLink States (Area 3)

Link ID        ADV Router     Age        Seq#      Checksum

10.0.0.14      4.4.4.4        84         0x80000003 0x003FB9

                 SummaryNet Link States (Area 3)

Link ID        ADV Router     Age        Seq#      Checksum

0.0.0.0        3.3.3.3        1188       0x80000001 0x0057DA

                 Type-5AS External Link States

Link ID        ADV Router     Age        Seq#      Checksum Tag

192.168.8.0    1.1.1.1        1859       0x80000001 0x0015AD 0

R4配置

!

interface Loopback0

ip address 4.4.4.4 255.255.255.255

!

interface Loopback1

ip address 192.168.4.1 255.255.255.0

!

interface FastEthernet0/0

noip address

shutdown

duplex auto

speed auto

!

interface FastEthernet0/1

ip address 10.0.0.14 255.255.255.252

duplex auto

speed auto

!

routerospf 1

router-id 4.4.4.4

log-adjacency-changes

area 3 stub   //完全末梢区域内路由器配置

network 4.4.4.4 0.0.0.0 area 3

network 10.0.0.12 0.0.0.3 area 3

network 192.168.4.0 0.0.0.255 area 3

!

R4# shipos ne

Neighbor ID    Pri  State          Dead Time  Address        Interface

3.3.3.3          1  FULL/BDR       00:00:31   10.0.0.13      FastEthernet0/1

Gateway of last resort is 10.0.0.13 tonetwork 0.0.0.0

    4.0.0.0/32 is subnetted, 1 subnets

C      4.4.4.4 is directly connected, Loopback0

C   192.168.4.0/24 is directly connected, Loopback1

    10.0.0.0/30 is subnetted, 1 subnets

C      10.0.0.12 is directly connected, FastEthernet0/1

O*IA 0.0.0.0/0 [110/11]via 10.0.0.13, 00:21:21, FastEthernet0/1  //完全末梢区域获取到默认

R5配置

!

interface Loopback0

ip address 5.5.5.5 255.255.255.255

!

interface Loopback1

ip address 192.168.5.1 255.255.255.0

!

interface FastEthernet0/0

ip address 10.0.0.6 255.255.255.252

duplex auto

speed auto

!

interface FastEthernet0/1

ip address 10.0.0.17 255.255.255.252

duplex auto

speed auto

!

routerospf 1

router-id 5.5.5.5

log-adjacency-changes

area 1 nssa

 summary-address 192.168.8.0 255.255.248.0  //ASBR网段汇总

redistribute static subnets  //静态重分发

network 5.5.5.5 0.0.0.0 area 1

network 10.0.0.4 0.0.0.3 area 1

network 192.168.5.0 0.0.0.255 area 1

!

ip route 192.168.8.0 255.255.255.24810.0.0.18

!

R5(config-router)# do shipos ne

Neighbor ID    Pri  State          Dead Time  Address        Interface

1.1.1.1          1  FULL/BDR       00:00:34   10.0.0.5       FastEthernet0/0

Gateway of last resort is not set

    1.0.0.0/32 is subnetted, 1 subnets

O IA   1.1.1.1 [110/11] via 10.0.0.5, 00:05:44, FastEthernet0/0

    2.0.0.0/32 is subnetted, 1 subnets

O IA   2.2.2.2 [110/21] via 10.0.0.5, 00:05:44, FastEthernet0/0

    3.0.0.0/32 is subnetted, 1 subnets

O IA   3.3.3.3 [110/31] via 10.0.0.5, 00:05:44, FastEthernet0/0

    4.0.0.0/32 is subnetted, 1 subnets

O IA   4.4.4.4 [110/41] via 10.0.0.5, 00:05:44, FastEthernet0/0

    5.0.0.0/32 is subnetted, 1 subnets

C      5.5.5.5 is directly connected, Loopback0

    192.168.4.0/32 is subnetted, 1 subnets

O IA   192.168.4.1 [110/41] via 10.0.0.5, 00:05:46, FastEthernet0/0

C   192.168.5.0/24is directly connected, Loopback1

    10.0.0.0/30 is subnetted, 5 subnets

O IA   10.0.0.8 [110/30] via 10.0.0.5, 00:05:46, FastEthernet0/0

O IA   10.0.0.12 [110/40] via 10.0.0.5, 00:05:46, FastEthernet0/0

O IA   10.0.0.0 [110/20] via 10.0.0.5, 00:05:46, FastEthernet0/0

C      10.0.0.4 is directly connected, FastEthernet0/0

C      10.0.0.16 is directly connected, FastEthernet0/1

    192.168.0.0/32 is subnetted, 1 subnets

O IA   192.168.0.1 [110/11] via 10.0.0.5, 00:05:46, FastEthernet0/0

    192.168.1.0/32 is subnetted, 1 subnets

O IA   192.168.1.1 [110/11] via 10.0.0.5, 00:05:46, FastEthernet0/0

    192.168.2.0/32 is subnetted, 1 subnets

O IA   192.168.2.1 [110/21] via 10.0.0.5, 00:05:46, FastEthernet0/0

    192.168.3.0/32 is subnetted, 1 subnets

O IA   192.168.3.1 [110/31] via 10.0.0.5, 00:05:46, FastEthernet0/0

S   192.168.8.0/21 [1/0] via 10.0.0.18

R6配置

!

interface Loopback0

ip address 192.168.8.1 255.255.255.0

!

interface Loopback1

ip address 192.168.9.1 255.255.255.0

!

interface Loopback2

ip address 192.168.10.1 255.255.255.0

!

interface Loopback3

ip address 192.168.11.1 255.255.255.0

!

interface FastEthernet0/0

noip address

shutdown

duplex auto

speed auto

!

interface FastEthernet0/1

ip address 10.0.0.18 255.255.255.252

duplex auto

speed auto

!

ip route 0.0.0.0 0.0.0.0 10.0.0.17

!

Gateway of last resort is 10.0.0.17 tonetwork 0.0.0.0

C   192.168.8.0/24 is directly connected, Loopback0

C   192.168.9.0/24 is directly connected, Loopback1

C   192.168.10.0/24 is directly connected, Loopback2

C   192.168.11.0/24 is directly connected, Loopback3

    10.0.0.0/30 is subnetted, 1 subnets

C      10.0.0.16 is directly connected, FastEthernet0/1

S*  0.0.0.0/0 [1/0] via 10.0.0.17

在R1验证全网全通

R1# ping 2.2.2.2

Type escape sequence to abort.

Sending 5, 100-byte ICMP Echos to 2.2.2.2,timeout is 2 seconds:

!!!!!

Success rate is 100 percent (5/5),round-trip min/avg/max = 20/36/68 ms

R1#ping 3.3.3.3

Type escape sequence to abort.

Sending 5, 100-byte ICMP Echos to 3.3.3.3,timeout is 2 seconds:

!!!!!

Success rate is 100 percent (5/5),round-trip min/avg/max = 40/52/84 ms

R1#ping 4.4.4.4

Type escape sequence toabort.

Sending 5, 100-byte ICMPEchos to 4.4.4.4, timeout is 2 seconds:

!!!!!

Success rate is 100percent (5/5), round-trip min/avg/max = 60/76/100 ms

R1#ping 5.5.5.5

Type escape sequence to abort.

Sending 5, 100-byte ICMP Echos to 5.5.5.5,timeout is 2 seconds:

!!!!!

Success rate is 100 percent (5/5),round-trip min/avg/max = 20/32/64 ms

R1#ping 192.168.11.1

Type escape sequence toabort.

Sending 5, 100-byte ICMPEchos to 192.168.11.1, timeout is 2 seconds:

!!!!!

Success rate is 100percent (5/5), round-trip min/avg/max = 32/56/88 ms

R1#ping 192.168.9.1

Type escape sequence toabort.

Sending 5, 100-byte ICMPEchos to 192.168.9.1, timeout is 2 seconds:

!!!!!

Success rate is 100percent (5/5), round-trip min/avg/max = 40/52/84 ms

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