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1、试验内容： 1、用IS-IS配置网络 2、调整metric值1、用IS-IS配置网络Router(config)#hostname r1r1(config)#int e 0/0r1(config-if)#ip address 2.2.2.1 255.255.255.252r1(config-if)#no shutr1(config)#int s 1/0r1(config-if)#ip address 7.7.7.1 255.255.255.252r1(config-if)#no shutr1(config)#int loopback 0r1(config-if)#ip address 1.1.
2、1.1 255.255.255.255 r1(config-if)#exitr1(config)#router isis ；启用IS-ISr1(config-router)#net 49.0001.0000.0000.0001.00 ；定义IS标识r1(config-router)#is-type level-1-2 ；定义类型，默认为level-1-2r1(config-router)#exitr1(config)#int e 0/0r1(config-if)#ip router isis ；在接口启用IS-ISr1(config-if)#isis circuit-type level-1-
3、2 ；接口类型，默认为level-1-2r1(config-if)#exitr1(config)#int loopback 0r1(config-if)#ip router isisr1(config)#int s 1/0r1(config-if)#ip router isisr1(config-if)#isis circuit-type level-1-2Router#config tEnter configuration commands, one per line. End with CNTL/Z.Router(config)#hostname r2r2(config)#int loop
4、back 0r2(config-if)#ip address 1.1.1.2 255.255.255.255r2(config-if)#exitr2(config)#int e 0/0r2(config-if)#ip add 2.2.2.2 255.255.255.252r2(config-if)#no shutr2(config-if)#exit*Mar 1 00:11:57.211: %LINK-3-UPDOWN: Interface Ethernet0/0, changed state to up*Mar 1 00:11:58.211: %LINEPROTO-5-UPDOWN: Line
5、 protocol on Interface Ethernet0/0, changed state to r2(config)#int s 1/0r2(config-if)#ip address 5.5.5.1 255.255.255.252r2(config-if)#no shutr2(config-if)#exit*Mar 1 00:12:29.779: %LINK-3-UPDOWN: Interface Serial1/0, changed state to up*Mar 1 00:12:30.779: %LINEPROTO-5-UPDOWN: Line protocol on Inte
6、rface Serial1/0, changed state t r2(config)#router isisr2(config-router)#net 49.0001.0000.0000.0002.00r2(config-router)#exitr2(config)#int loopback 0r2(config-if)#ip router isisr2(config)#int e 0/0r2(config-if)#ip router isisr2(config-if)#exitr2(config)#int s 1/0r2(config-if)#ip router isisr2(config
7、-if)#Zr2#sh i*Mar 1 00:13:52.307: %SYS-5-CONFIG_I: Configured from console by consolesis neiSystem Id Type Interface IP Address State Holdtime Circuit Idr1 L1 Et0/0 2.2.2.1 UP 23 r2.01 r1 L2 Et0/0 2.2.2.1 UP 24 r2.01 为什么会有两条？Router#config tEnter configuration commands, one per line. End with CNTL/Z.
8、Router(config)#hostname r3r3(config)#int loopback 0r3(config-if)#ip address 1.1.1.3 255.255.255.255r3(config-if)#exitr3(config)#int e 0/0r3(config-if)#ip address 3.3.3.1 255.255.255.252r3(config-if)#no shutr3(config-if)#exit*Mar 1 00:17:39.531: %LINK-3-UPDOWN: Interface Ethernet0/0, changed state to
9、 up*Mar 1 00:17:40.531: %LINEPROTO-5-UPDOWN: Line protocol on Interface Ethernet0/0, changed state texitr3(config)#router isisr3(config-router)#net 49.0002.0000.0000.0003.00r3(config-router)#is-type level-1r3(config-router)#exitr3(config)#int loopback 0r3(config-if)#ip router isisr3(config-if)#isis
10、circuit-type level-1r3(config)#int e 0/0r3(config-if)#ip router isisr3(config-if)#isis circuit-type level-1Router#config tEnter configuration commands, one per line. End with CNTL/Z.Router(config)#hostname r4r4(config)#int loopback 0r4(config-if)#ip address 1.1.1.4 255.255.255.255r4(config-if)#exitr
11、4(config)#int e 0/0r4(config-if)#ip address 3.3.3.2 255.255.255.252r4(config-if)#no shutr4(config-if)#exit*Mar 1 00:20:11.451: %LINK-3-UPDOWN: Interface Ethernet0/0, changed state to up*Mar 1 00:20:12.451: %LINEPROTO-5-UPDOWN: Line protocol on Interface Ethernet0/0, changed state to r4(config)#int s
12、 1/0r4(config-if)#ip address 7.7.7.2 255.255.255.252r4(config-if)#no shutr4(config-if)#*Mar 1 00:20:46.655: %LINK-3-UPDOWN: Interface Serial1/0, changed state to up*Mar 1 00:20:47.655: %LINEPROTO-5-UPDOWN: Line protocol on Interface Serial1/0, changed state to upr4(config-if)#exitr4(config)#router i
13、sisr4(config-router)#net 49.0002.0000.0000.0004.00r4(config-router)#exitr4(config)#int loopback 0r4(config-if)#ip router isisr4(config)#int e 0/0r4(config-if)#ip router isisr4(config-if)#exitr4(config)#int s 1/0r4(config-if)#ip router isisr4(config-if)#exitr4(config)#int s 1/1r4(config-if)#ip router
14、 isisCannot enable ISIS-IP. Configure IP address or make the interface unnumberedr4(config-if)#no shut*Mar 1 00:22:32.287: %LINK-3-UPDOWN: Interface Serial1/1, changed state to up*Mar 1 00:22:33.287: %LINEPROTO-5-UPDOWN: Line protocol on Interface Serial1/1, changed state to upp router isisCannot enable ISIS-IP. Configure IP address or make the interface unnumberedr4(config-if)#Zr4#*Mar 1 00:22:47.491: %SYS-5-CONFIG_I: Configured from console by consolesh ip int s 1/1Serial1/1 is up, line protocol is up Internet protocol processing disabledr4#*Mar 1 00:23:03.159: %LINEPROTO-5
