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OSPF笔记及综合实验报告册

news 2025/8/4 15:31:43

笔记

一.实验要求

1、R4为ISP，其上只配置IP地址；R4与其他所直连设备间均使用公有IP；
2、R3-R5、R6、R7为MGRE环境，R3为中心站点；
3、整个OSPF环境IP基于172.16.0.0/16划分；除了R12有两个环回，其他路由器均有一个环回IP
4、所有设备均可访问R4的环回；
5、减少LSA的更新量，加快收敛，保障更新安全；
6、全网可达；

二.配置

R1

[R1]sysname R1
[R1]interface LoopBack 0
[R1-LoopBack0]ip address 172.16.1.1 255.255.255.255
[R1-LoopBack0]quit
[R1]interface GigabitEthernet 0/0/0
[R1-GigabitEthernet0/0/0]ip address 172.16.12.1 255.255.255.0
[R1-GigabitEthernet0/0/0]quit
[R1]interface GigabitEthernet 0/0/1
[R1-GigabitEthernet0/0/1]ip address 202.100.1.10 255.255.255.252
[R1-GigabitEthernet0/0/1]quit
[R1]interface Virtual-Template 1
[R1-Virtual-Template1]ip address 172.16.100.5 255.255.255.0
[R1-Virtual-Template1]nhrp network-id 100
[R1-Virtual-Template1]nhrp entry 172.16.100.1 202.100.1.2 register
[R1-Virtual-Template1]quit
[R1]ospf 1 router-id 172.16.1.1
[R1-ospf-1]area 0
[R1-ospf-1-area-0.0.0.0]network 172.16.1.1 0.0.0.0
[R1-ospf-1-area-0.0.0.0]network 172.16.12.0 0.0.0.255
[R1-ospf-1-area-0.0.0.0]network 172.16.100.0 0.0.0.255
[R1-ospf-1-area-0.0.0.0]quit
[R1-ospf-1]interface GigabitEthernet 0/0/0
[R1-ospf-1-if-GigabitEthernet0/0/0]ospf hello-interval 5
[R1-ospf-1-if-GigabitEthernet0/0/0]ospf dead-interval 20
[R1-ospf-1-if-GigabitEthernet0/0/0]ospf authentication-mode simple 123
[R1-ospf-1-if-GigabitEthernet0/0/0]quit
[R1-ospf-1]interface Virtual-Template 1
[R1-ospf-1-if-Virtual-Template1]ospf network-type p2mp
[R1-ospf-1-if-Virtual-Template1]ospf authentication-mode simple 123

R2

[R2]sysname R2
[R2]interface LoopBack 0
[R2-LoopBack0]ip address 172.16.2.2 255.255.255.255
[R2-LoopBack0]quit
[R2]interface GigabitEthernet 0/0/0
[R2-GigabitEthernet0/0/0]ip address 172.16.12.2 255.255.255.0
[R2-GigabitEthernet0/0/0]quit
[R2]interface GigabitEthernet 0/0/1
[R2-GigabitEthernet0/0/1]ip address 172.16.23.1 255.255.255.0
[R2-GigabitEthernet0/0/1]quit
[R2]ospf 1 router-id 172.16.2.2
[R2-ospf-1]area 0
[R2-ospf-1-area-0.0.0.0]network 172.16.2.2 0.0.0.0
[R2-ospf-1-area-0.0.0.0]network 172.16.12.0 0.0.0.255
[R2-ospf-1-area-0.0.0.0]network 172.16.23.0 0.0.0.255
[R2-ospf-1-area-0.0.0.0]quit
[R2-ospf-1]interface GigabitEthernet 0/0/0
[R2-ospf-1-if-GigabitEthernet0/0/0]ospf hello-interval 5
[R2-ospf-1-if-GigabitEthernet0/0/0]ospf dead-interval 20
[R2-ospf-1-if-GigabitEthernet0/0/0]ospf authentication-mode simple 123
[R2-ospf-1-if-GigabitEthernet0/0/0]quit
[R2-ospf-1]interface GigabitEthernet 0/0/1
[R2-ospf-1-if-GigabitEthernet0/0/1]ospf hello-interval 5
[R2-ospf-1-if-GigabitEthernet0/0/1]ospf dead-interval 20
[R2-ospf-1-if-GigabitEthernet0/0/1]ospf authentication-mode simple 123

R3

[R3]sysname R3
[R3]interface LoopBack 0
[R3-LoopBack0]ip address 172.16.3.3 255.255.255.255
[R3-LoopBack0]quit
[R3]interface GigabitEthernet 0/0/0
[R3-GigabitEthernet0/0/0]ip address 172.16.23.2 255.255.255.0
[R3-GigabitEthernet0/0/0]quit
[R3]interface Serial 4/0/0
[R3-Serial4/0/0]ip address 202.100.1.2 255.255.255.252
[R3-Serial4/0/0]ppp chap user R3
[R3-Serial4/0/0]ppp chap password simple isp123
[R3-Serial4/0/0]nhrp enable
[R3-Serial4/0/0]quit
[R3]interface Virtual-Template 1
[R3-Virtual-Template1]ip address 172.16.100.1 255.255.255.0
[R3-Virtual-Template1]nhrp network-id 100
[R3-Virtual-Template1]nhrp entry multicast dynamic
[R3-Virtual-Template1]quit
[R3]ospf 1 router-id 172.16.3.3
[R3-ospf-1]area 0
[R3-ospf-1-area-0.0.0.0]network 172.16.3.3 0.0.0.0
[R3-ospf-1-area-0.0.0.0]network 172.16.23.0 0.0.0.255
[R3-ospf-1-area-0.0.0.0]network 172.16.100.0 0.0.0.255
[R3-ospf-1-area-0.0.0.0]range 172.16.0.0 255.255.0.0
[R3-ospf-1-area-0.0.0.0]quit
[R3-ospf-1]interface GigabitEthernet 0/0/0
[R3-ospf-1-if-GigabitEthernet0/0/0]ospf hello-interval 5
[R3-ospf-1-if-GigabitEthernet0/0/0]ospf dead-interval 20
[R3-ospf-1-if-GigabitEthernet0/0/0]ospf authentication-mode simple 123
[R3-ospf-1-if-GigabitEthernet0/0/0]quit
[R3-ospf-1]interface Virtual-Template 1
[R3-ospf-1-if-Virtual-Template1]ospf network-type p2mp
[R3-ospf-1-if-Virtual-Template1]ospf authentication-mode simple 123

R4

[R4]sysname R4
[R4]interface LoopBack 0
[R4-LoopBack0]ip address 2.2.2.2 255.255.255.255
[R4-LoopBack0]quit
[R4]interface Serial 4/0/0
[R4-Serial4/0/0]ip address 202.100.1.1 255.255.255.252
[R4-Serial4/0/0]ppp chap user R4
[R4-Serial4/0/0]ppp chap password simple isp123
[R4-Serial4/0/0]quit
[R4]interface Serial 4/0/1
[R4-Serial4/0/1]ip address 202.100.1.5 255.255.255.252
[R4-Serial4/0/1]ppp chap user R4
[R4-Serial4/0/1]ppp chap password simple isp123
[R4-Serial4/0/1]quit

R5

[R5]sysname R5
[R5]interface LoopBack 0
[R5-LoopBack0]ip address 172.16.5.5 255.255.255.255
[R5-LoopBack0]quit
[R5]interface Serial 4/0/0
[R5-Serial4/0/0]ip address 202.100.1.6 255.255.255.252
[R5-Serial4/0/0]ppp chap user R5
[R5-Serial4/0/0]ppp chap password simple isp123
[R5-Serial4/0/0]nhrp enable
[R5-Serial4/0/0]quit
[R5]interface Virtual-Template 1
[R5-Virtual-Template1]ip address 172.16.100.2 255.255.255.0
[R5-Virtual-Template1]nhrp network-id 100
[R5-Virtual-Template1]nhrp entry 172.16.100.1 202.100.1.2 register
[R5-Virtual-Template1]quit
[R5]ospf 1 router-id 172.16.5.5
[R5-ospf-1]area 1
[R5-ospf-1-area-0.0.0.1]network 172.16.5.5 0.0.0.0
[R5-ospf-1-area-0.0.0.1]network 172.16.100.0 0.0.0.255
[R5-ospf-1-area-0.0.0.1]quit
[R5-ospf-1]interface Virtual-Template 1
[R5-ospf-1-if-Virtual-Template1]ospf network-type p2mp
[R5-ospf-1-if-Virtual-Template1]ospf authentication-mode simple 123

R6

[R6]sysname R6
[R6]interface LoopBack 0
[R6-LoopBack0]ip address 172.16.6.6 255.255.255.255
[R6-LoopBack0]quit
[R6]interface Serial 4/0/0
[R6-Serial4/0/0]ip address 202.100.1.10 255.255.255.252
[R6-Serial4/0/0]ppp chap user R6
[R6-Serial4/0/0]ppp chap password simple isp123
[R6-Serial4/0/0]nhrp enable
[R6-Serial4/0/0]quit
[R6]interface Virtual-Template 1
[R6-Virtual-Template1]ip address 172.16.100.3 255.255.255.0
[R6-Virtual-Template1]nhrp network-id 100
[R6-Virtual-Template1]nhrp entry 172.16.100.1 202.100.1.2 register
[R6-Virtual-Template1]quit
[R6]ospf 1 router-id 172.16.6.6
[R6-ospf-1]area 1
[R6-ospf-1-area-0.0.0.1]network 172.16.6.6 0.0.0.0
[R6-ospf-1-area-0.0.0.1]network 172.16.100.0 0.0.0.255
[R6-ospf-1-area-0.0.0.1]quit
[R6-ospf-1]interface Virtual-Template 1
[R6-ospf-1-if-Virtual-Template1]ospf network-type p2mp
[R6-ospf-1-if-Virtual-Template1]ospf authentication-mode simple 123

R7

[R7]sysname R7
[R7]interface LoopBack 0
[R7-LoopBack0]ip address 172.16.7.7 255.255.255.255
[R7-LoopBack0]quit
[R7]interface Serial 4/0/1
[R7-Serial4/0/1]ip address 202.100.1.6 255.255.255.252
[R7-Serial4/0/1]ppp chap user R7
[R7-Serial4/0/1]ppp chap password simple isp123
[R7-Serial4/0/1]nhrp enable
[R7-Serial4/0/1]quit
[R7]interface Virtual-Template 1
[R7-Virtual-Template1]ip address 172.16.100.4 255.255.255.0
[R7-Virtual-Template1]nhrp network-id 100
[R7-Virtual-Template1]nhrp entry 172.16.100.1 202.100.1.2 register
[R7-Virtual-Template1]quit
[R7]ospf 1 router-id 172.16.7.7
[R7-ospf-1]area 1
[R7-ospf-1-area-0.0.0.1]network 172.16.7.7 0.0.0.0
[R7-ospf-1-area-0.0.0.1]network 172.16.100.0 0.0.0.255
[R7-ospf-1-area-0.0.0.1]quit
[R7-ospf-1]interface Virtual-Template 1
[R7-ospf-1-if-Virtual-Template1]ospf network-type p2mp
[R7-ospf-1-if-Virtual-Template1]ospf authentication-mode simple 123

R12

[R12]sysname R12
[R12]interface LoopBack 0
[R12-LoopBack0]ip address 172.16.12.12 255.255.255.255
[R12-LoopBack0]quit
[R12]interface LoopBack 1
[R12-LoopBack1]ip address 172.16.12.13 255.255.255.255
[R12-LoopBack1]quit
[R12]interface GigabitEthernet 0/0/0
[R12-GigabitEthernet0/0/0]ip address 172.16.120.1 255.255.255.0
[R12-GigabitEthernet0/0/0]quit
[R12]ospf 1 router-id 172.16.12.12
[R12-ospf-1]area 2
[R12-ospf-1-area-0.0.0.2]network 172.16.12.12 0.0.0.0
[R12-ospf-1-area-0.0.0.2]network 172.16.12.13 0.0.0.0
[R12-ospf-1-area-0.0.0.2]network 172.16.120.0 0.0.0.255
[R12-ospf-1-area-0.0.0.2]quit
[R12-ospf-1]interface GigabitEthernet 0/0/0
[R12-ospf-1-if-GigabitEthernet0/0/0]ospf hello-interval 5
[R12-ospf-1-if-GigabitEthernet0/0/0]ospf dead-interval 20
[R12-ospf-1-if-GigabitEthernet0/0/0]ospf authentication-mode simple 123

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