rip version 2更新携带掩码

路由选择更新具有认证功能

每个路由条目携带下一跳地址

外部路由标志_tag 0

组播路由更新_224.0.0.9

更新只传一跳

ripv2协议可以使用可变长的子网掩码,使其成为支持无类别路由

tcp/ip_ripv2

rip version 1更新发送只发version 1,收可以收任何版本.

rip version 2更新发送只发version 2,收只收version 2.

r4:

router rip

version 2

clear ip route *

r3:

router rip

version 2

clear ip route *

r2:

router rip

version 2

clear ip route *

r1:

router rip

version 2

clear ip route *

rip version 2最大支持25条路由,如果认证后最大支持24条路由.

r4

router rip

no version 2

show ip route rip(r4能够接受version 2路由)

show ip rip data

r2:

show ip protocol

show ip route rip(没有从r4收到路由)

r4:

debug ip rip

r2:

int s1/1

ip rip receive version 1 2

debug ip rip data

r4:

router rip

version 2

r2:

clear ip route *

show ip route rip

r4:

int lo0

ip add 172.17.4.1 255.255.255.240

r2:

show ip protocol

int s1/1

no ip rip receive version 1 2

r4:

int s1/1

ip rip send version 1 2

ip rip v2-broadcast

r1:

debug ip rip

clear ip route *

int e0/0

ip rip v2-broadcast(version 2使用广播更新)

clear ip route *

int e0/0

no ip rip v2-broadcast

rip支持认证类型

1.明文认证

2.md5认证

eigrp

md5认证

ospf

1.明文认证

2.md5认证

3.不认证

bgp

md5认证

r3:

key chain ender

key 1

key-string cisco

int s1/0

ip rip authentication mode md5

ip rip authentication key-chain ender

show ip protocol

show key chain

r2:

show ip protocol

show key chain

int s1/0

ip rip authentication mode md5

ip rip authentication key-chain cisco

show ip protocol

r3:

debug ip rip

r2:

debug ip rip

r3:

router rip

version 2

clear ip route *

show ip route rip

show key chain

key chain ender

key 1

key-string yeslab

clear ip route *

r2:

show key chain

r3:

key chain ender

key 1

key-string cisco

r2:

key chain cisco

key 1

send-lifetime 20:20:20 jun 1 2012 duration 3600(持续多少秒)

accept-lifetime 20:20:20 jun 1 2012 duration 3600

show key chain

int s1/0

no ip rip authentication mode md5

no ip rip authentication key-chain cisco

r3:

int s1/0

no ip rip authentication mode md5

no ip rip authentication key-chain ender

r4:

router rip

auto summary

r2:

router rip

auto summary

r4:

show ip rip data

r2:

show ip route rip

clear ip route *

r4:

int lo1

ip add 172.15.1.1 255.255.255.255

router rip

network 172.15.0.0

r2:

debug ip rip data

ripv2路由协议概述

ripv2协议不是一个新的协议,它只是ripv1协议的基础上增加了一些扩展特性:

每个路由条目都携带增加的子网掩码,支持vlsm、支持无类路由cidr查找

路由选择更新具有认证功能

每个路由条目都携带下一跳地址

组播路由更新

rip的自动汇总:

1.对自己宣告的路由,重分布路由,从邻居学来的路由,汇总到主类边界

2.对于连续子网的环境,在通告路由给邻居的时候,会带上子网掩码,通告明细路由