(ISISOSPF实验)ISIS与OSPF域间选路比较

ISIS OSPF 域间选路比较( ISIS 部分)
TOPO 如下


 

基本配置如下

l        R1

l        R2

l        R3

l        R4

l        R5

 







R1 基本配置

interface Loopback0

 ip address 1.1.1 .1 255.255.255.0

!

interface Serial1/0

 ip address 12.1.1 .1 255.255.255.0

 ip router isis

!

interface Serial2/0

 ip address 13.1.1 .1 255.255.255.0

 ip router isis

!

router isis

 net 02.0010.0100.1001.00

 passive-interface Loopback0

 







R2 基本配置

interface Loopback0

 ip address 2.2.2 .2 255.255.255.0

!

interface Serial1/0

 ip address 24.1.1.2 255.255.255.0

 ip router isis

!

interface Serial2/0

 ip address 12.1.1 .2 255.255.255.0

 ip router isis

!

router isis

 net 01.0020.0200.2002.00

 passive-interface Loopback0

 







R3 基本配置

interface Loopback0

 ip address 3.3.3 .3 255.255.255.0

!

interface Ethernet0/0

 ip address 34.1.1.3 255.255.255.0

 ip router isis

!

interface Serial1/0

 ip address 13.1.1 .3 255.255.255.0

 ip router isis

!

interface Serial2/0

 ip address 35.1.1.3 255.255.255.0

 ip router isis

!

router isis

 net 03.0030.0300.3003.00

 passive-interface Loopback0

 











R4 基本配置

interface Loopback0

 ip address 4.4.4 .4 255.255.255.0

!

interface Ethernet0/0

 ip address 34.1.1.4 255.255.255.0

 ip router isis

!

interface Serial2/0

 ip address 24.1.1.4 255.255.255.0

 ip router isis

!

router isis

 net 03.0040.0400.4004.00

 passive-interface Loopback0

!        

R5 基本配置

interface Loopback0

 ip address 5.5.5 .5 255.255.255.0

!

interface Serial1/0

 ip address 35.1.1.5 255.255.255.0

 ip router isis

 !

router isis

 net 03.0050.0500.5005.00

 is-type level-1

 passive-interface Loopback0

 

 

测试

R3 上查看 2.0.0 .0/24 的路由,有两条路径做负载

r3#sho ip route | be 2.0.0 .0/24

     2.0.0 .0/24 is subnetted, 1 subnets

i L2    2.2.2 .0 [115/20] vi a 13.1.1 .1, Serial1/0

                [115/20] via 34.1.1.4, Ethernet0/0

r3#traceroute 2.2.2 .2

Type escape sequence to abort.

Tracing the route to 2.2.2 .2

  1  *

    13.1.1 .1 32 msec

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