笔记 RIP

Posted 2020-10-26

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交换
路由
-路由器
-多层交换机
-核心工作表：
路由表
-路由条目
类型 prefix/mask [AD/Metric] via next-hop , interface
Conneted
Static
RIP

路由类型：
直连路由
非直连
静态
动态
IGP：Internal gateway protocol ,内部网关协议
目的：
在内网，快速，计算出一个去往目标网络的，无环，最短，
数据转发路径；
DV-distance vector ，距离矢量路由协议
RIP
IGRP
EIGRP
LS-link state ，链路状态路由协议
ISIS
OSPF
EGP: external gateway protocol ,外部网关协议
目的：
在网络之间，通过BGP实现路由的灵活控制和选路，同时确保
无环；
BGP

RIP 协议配置命令：

1、配置终端设备 - PC1/2

2、配置网络设备
R1/R2/R3/R4
router rip // 启用路由协议 RIP
version 2 // 配置路由器使用 RIP 版本2
no auto-summary // 关闭 RIP 协议的自动汇总
network 192.168.10.0
network 192.168.12.0 // 以上两个network表示的是
宣告网络 192.168.10.0
192.168.12.0 进入 RIP 协议；

3、验证、测试、保存
show ip protocols //显示当前设备上正在使用的所有路由协议

    show ip route // 显示路由表

    PC1/2:
       ping 192.168.20.1 

    R1/R2/R3/R4 : 
       Route#write

在IGP协议中， network 的作用：

network 10.0.0.0 ， 10.0.0.0 表示的是一个“网络范围”

      &在设备上凡是被 10.0.0.0 表示的范围所覆盖住的接口，都启用
       路由协议进程：
           1、可以在该端口上发送协议报文；
           2、可以在该端口上接收协议报文；
           3、可以将该端口上的IP地址中的网络部分，放入协议报文中；

    interface gi0/1 -> 192.168.34.4 255.255.255.0
    interface gi0/2 -> 192.168.20.254 255.255.255.0
    interface loopback 0 -> 10.10.4.4 255.255.255.0
            #发包
            #收包
            #10.10.4.0/24 --> RIP --> 发出去；
router rip 
   network 10.10.4.0 255.255.255.0

==================================================================

RIP
-定义：
routing information protocol , 路由信息协议
在内网的多个路由器之间自动的学习、同步路由表，
以计算出一个去往目标网络的最短、无环、数据转发路径；
-场景：
一般在小规模的企业内部网络使用
(因为RIP有最大跳数限制，最大为 16 跳)
-版本：
version 1
#属于有类路由选择协议(报文不携带子网掩码)
#广播的发送方式 - 255.255.255.255
#无法关闭自动汇总
version 2
#属于无类路由选择协议(报文携带子网掩码)
#组播的发送方式 - 224.0.0.9
#多了一个路由标记(tag)字段，可以实现路由的批量管理；
#多了一个认证功能(使用的是RIP respone报文的第一个路由条目来充当)
#多了一个 mask 字段，从而可以支持关闭自动汇总；
#多了一个 next-hop 字段，从而可以解决“MA网络中的”次优路径问题；

-报文：
request:请求，用于向其他RIP路由器请求更新条目；
respone:响应，用于向其他RIP路由器发送更新条目；是对request的回应
-工作表：
(RIP邻居表)：
#凡是能与自己互通的路由器，都称之为 RIP 邻居；
RIP数据库:
#本地宣告的路由条目
#从其他路由器学习过来的路由条目
RIP路由表：
#表示的是从数据库中挑选出来的最好的路由；
-原理：
1、路由器启用RIP以后，会将自己本地路由表中的条目进行宣告进入到RIP
2、在启动RIP协议的端口上发送这些更新条目；
3、对方RIP路由器接收以后，经过路由比较，将最好的条目放入路由表；
4、所有的RIP路由器都会进行周期性、全部路由表更新，以广播的方式；
（在RIPv2中，是触发式、增量更新，并且是以组播的方式）
-配置
目前网络中凡是使用 RIP 的网络，均使用的 RIPv2 ；
#思科
router rip
version 2
no auto-summary
network x.x.x.x (x.x.x.x必须是主类网络的形式)
#华为
[Router]rip [id] // 如果不写后面的id，默认是1；
[Router-rip-1]version 2 // 在华为中，启用RIPv2以后，默认关闭了自动汇总；
[Router-rip-1]network x.x.x.x
-验证
show ip protocols //查看目前正在运行的所有的路由协议；
show ip rip database // 查看RIP的数据库
show ip route rip //仅仅查看路由表中的 RIP 路由；
show ip route //查看路由表；

   display rip [id]
   display rip {id} neighbor // 查看 rip id 的 邻居表；
   display rip {id} database // 查看 rip id 的 数据库；
   display rip {id} route // 查看 rip id 的路由表；
   display ip routing-table

案例：

1 案例1：RIP路由协议原理
1.1 问题
1）动态路由协议的分类有哪些？

2）RIP路由协议的最大跳数是什么？

3）简述水平分割的作用

1.2 步骤
实现此案例需要按照如下步骤进行。

内部和外部网关协议
内部网关路由协议（IGP）：RIP、OSPF、IS-IS
外部网关路由协议（EGP）：BGP
距离矢量和链路状态路由协议
距离矢量路由协议：依据从源网络到目标网络所经过的路由器的个数选择路由，例如RIP、IGRP

链路状态路由协议：综合考虑从源网络到目标网络的各条路径的情况选择路由，例如OSPF、IS-IS

从一个接口学习到路由信息，不再从这个接口发送出去
同时也能减少路由更新信息占用的链路带宽资源
2 案例2：配置RIP路由协议
2.1 问题
1）配置RIP协议实现网络互通

2）查看路由表，验证网络和RIP协议正常

2.2 方案
使用eNSP搭建实验环境，如图-1所示。

技术分享图片

2.3 步骤
实现此案例需要按照如下步骤进行。

步骤一：配置RIP路由协议

[R1]dis cu
[V200R003C00]
#
sysname R1
#
snmp-agent local-engineid 800007DB03000000000000
snmp-agent
#
clock timezone China-Standard-Time minus 08:00:00
#
portal local-server load portalpage.zip
#
drop illegal-mac alarm
#
set cpu-usage threshold 80 restore 75
#
aaa
authentication-scheme default
authorization-scheme default
accounting-scheme default
domain default
domain default_admin
local-user admin password cipher %$%$K8m.Nt84DZ}e#<08bmE3Uw}%$%$ local-user admin service-type http # firewall zone Local priority 15 # interface GigabitEthernet0/0/0 ip address 192.168.12.1 255.255.255.0 # interface GigabitEthernet0/0/1 ip address 192.168.13.1 255.255.255.0 # interface GigabitEthernet0/0/2 # interface NULL0 # interface LoopBack0 ip address 192.168.10.1 255.255.255.0 # rip 1 network 192.168.12.0 network 192.168.13.0 network 192.168.10.0 # user-interface con 0 authentication-mode password user-interface vty 0 4 user-interface vty 16 20 # wlan ac # return [R2]dis cu [V200R003C00] # sysname R2 # snmp-agent local-engineid 800007DB03000000000000 snmp-agent # clock timezone China-Standard-Time minus 08:00:00 # portal local-server load portalpage.zip # drop illegal-mac alarm # set cpu-usage threshold 80 restore 75 # aaa authentication-scheme default authorization-scheme default accounting-scheme default domain default domain default_admin local-user admin password cipher %$%$K8m.Nt84DZ}e#<08bmE3Uw}%$%$
local-user admin service-type http
#
firewall zone Local
priority 15
#
interface GigabitEthernet0/0/0
ip address 192.168.12.2 255.255.255.0
#
interface GigabitEthernet0/0/1
ip address 192.168.24.2 255.255.255.0
#
interface GigabitEthernet0/0/2
ip address 192.168.23.2 255.255.255.0
#
interface NULL0
#
interface LoopBack0
ip address 192.168.20.1 255.255.255.0
#
rip 1
network 192.168.12.0
network 192.168.23.0
network 192.168.24.0
network 192.168.20.0
#
user-interface con 0
authentication-mode password
user-interface vty 0 4
user-interface vty 16 20
#
wlan ac
#
return
[R3]dis cu
[V200R003C00]
#
sysname R3
#
snmp-agent local-engineid 800007DB03000000000000
snmp-agent
#
clock timezone China-Standard-Time minus 08:00:00
#
portal local-server load portalpage.zip
#
drop illegal-mac alarm
#
set cpu-usage threshold 80 restore 75
#
aaa
authentication-scheme default
authorization-scheme default
accounting-scheme default
domain default
domain default_admin
local-user admin password cipher %$%$K8m.Nt84DZ}e#<08bmE3Uw}%$%$ local-user admin service-type http # firewall zone Local priority 15 # interface GigabitEthernet0/0/0 # interface GigabitEthernet0/0/1 ip address 192.168.13.3 255.255.255.0 # interface GigabitEthernet0/0/2 ip address 192.168.23.3 255.255.255.0 # interface NULL0 # interface LoopBack0 ip address 192.168.30.1 255.255.255.0 # rip 1 network 192.168.13.0 network 192.168.23.0 network 192.168.30.0 # user-interface con 0 authentication-mode password user-interface vty 0 4 user-interface vty 16 20 # wlan ac # return [R4]dis cu [V200R003C00] # sysname R4 # snmp-agent local-engineid 800007DB03000000000000 snmp-agent # clock timezone China-Standard-Time minus 08:00:00 # portal local-server load portalpage.zip # drop illegal-mac alarm # set cpu-usage threshold 80 restore 75 # aaa authentication-scheme default authorization-scheme default accounting-scheme default domain default domain default_admin local-user admin password cipher %$%$K8m.Nt84DZ}e#<08bmE3Uw}%$%$
local-user admin service-type http
#
firewall zone Local
priority 15
#
interface GigabitEthernet0/0/0
#
interface GigabitEthernet0/0/1
ip address 192.168.24.4 255.255.255.0
#
interface GigabitEthernet0/0/2
#
interface NULL0
#
interface LoopBack0
ip address 192.168.40.1 255.255.255.0
#
rip 1
network 192.168.24.0
network 192.168.40.0
#
user-interface con 0
authentication-mode password
user-interface vty 0 4
user-interface vty 16 20
#
wlan ac
#
return
步骤二：查看路由表，验证全网互通

[R1]dis ip ro
Route Flags: R - relay, D - download to fib

Routing Tables: Public
Destinations : 18 Routes : 19
Destination/Mask Proto Pre Cost Flags NextHop Interface
127.0.0.0/8 Direct 0 0 D 127.0.0.1 InLoopBack0
127.0.0.1/32 Direct 0 0 D 127.0.0.1 InLoopBack0
127.255.255.255/32 Direct 0 0 D 127.0.0.1 InLoopBack0
192.168.10.0/24 Direct 0 0 D 192.168.10.1 LoopBack0
192.168.10.1/32 Direct 0 0 D 127.0.0.1 LoopBack0
192.168.10.255/32 Direct 0 0 D 127.0.0.1 LoopBack0
192.168.12.0/24 Direct 0 0 D 192.168.12.1 GigabitEthernet
0/0/0
192.168.12.1/32 Direct 0 0 D 127.0.0.1 GigabitEthernet
0/0/0
192.168.12.255/32 Direct 0 0 D 127.0.0.1 GigabitEthernet
0/0/0
192.168.13.0/24 Direct 0 0 D 192.168.13.1 GigabitEthernet
0/0/1
192.168.13.1/32 Direct 0 0 D 127.0.0.1 GigabitEthernet
0/0/1
192.168.13.255/32 Direct 0 0 D 127.0.0.1 GigabitEthernet
0/0/1
192.168.20.0/24 RIP 100 1 D 192.168.12.2 GigabitEthernet
0/0/0
192.168.23.0/24 RIP 100 1 D 192.168.12.2 GigabitEthernet
0/0/0
RIP 100 1 D 192.168.13.3 GigabitEthernet
0/0/1
192.168.24.0/24 RIP 100 1 D 192.168.12.2 GigabitEthernet
0/0/0
192.168.30.0/24 RIP 100 1 D 192.168.13.3 GigabitEthernet
0/0/1
192.168.40.0/24 RIP 100 2 D 192.168.12.2 GigabitEthernet
0/0/0
255.255.255.255/32 Direct 0 0 D 127.0.0.1 InLoopBack0
[R2]dis ip ro
Route Flags: R - relay, D - download to fib

Routing Tables: Public
Destinations : 20 Routes : 21
Destination/Mask Proto Pre Cost Flags NextHop Interface
127.0.0.0/8 Direct 0 0 D 127.0.0.1 InLoopBack0
127.0.0.1/32 Direct 0 0 D 127.0.0.1 InLoopBack0
127.255.255.255/32 Direct 0 0 D 127.0.0.1 InLoopBack0
192.168.10.0/24 RIP 100 1 D 192.168.12.1 GigabitEthernet
0/0/0
192.168.12.0/24 Direct 0 0 D 192.168.12.2 GigabitEthernet
0/0/0
192.168.12.2/32 Direct 0 0 D 127.0.0.1 GigabitEthernet
0/0/0
192.168.12.255/32 Direct 0 0 D 127.0.0.1 GigabitEthernet
0/0/0
192.168.13.0/24 RIP 100 1 D 192.168.12.1 GigabitEthernet
0/0/0
RIP 100 1 D 192.168.23.3 GigabitEthernet
0/0/2
192.168.20.0/24 Direct 0 0 D 192.168.20.1 LoopBack0
192.168.20.1/32 Direct 0 0 D 127.0.0.1 LoopBack0
192.168.20.255/32 Direct 0 0 D 127.0.0.1 LoopBack0
192.168.23.0/24 Direct 0 0 D 192.168.23.2 GigabitEthernet
0/0/2
192.168.23.2/32 Direct 0 0 D 127.0.0.1 GigabitEthernet
0/0/2
192.168.23.255/32 Direct 0 0 D 127.0.0.1 GigabitEthernet
0/0/2
192.168.24.0/24 Direct 0 0 D 192.168.24.2 GigabitEthernet
0/0/1
192.168.24.2/32 Direct 0 0 D 127.0.0.1 GigabitEthernet
0/0/1
192.168.24.255/32 Direct 0 0 D 127.0.0.1 GigabitEthernet
0/0/1
192.168.30.0/24 RIP 100 1 D 192.168.23.3 GigabitEthernet
0/0/2
192.168.40.0/24 RIP 100 1 D 192.168.24.4 GigabitEthernet
0/0/1
255.255.255.255/32 Direct 0 0 D 127.0.0.1 InLoopBack0
[R3]dis ip ro
Route Flags: R - relay, D - download to fib

Routing Tables: Public
Destinations : 18 Routes : 19
Destination/Mask Proto Pre Cost Flags NextHop Interface
127.0.0.0/8 Direct 0 0 D 127.0.0.1 InLoopBack0
127.0.0.1/32 Direct 0 0 D 127.0.0.1 InLoopBack0
127.255.255.255/32 Direct 0 0 D 127.0.0.1 InLoopBack0
192.168.10.0/24 RIP 100 1 D 192.168.13.1 GigabitEthernet
0/0/1
192.168.12.0/24 RIP 100 1 D 192.168.13.1 GigabitEthernet
0/0/1
RIP 100 1 D 192.168.23.2 GigabitEthernet
0/0/2
192.168.13.0/24 Direct 0 0 D 192.168.13.3 GigabitEthernet
0/0/1
192.168.13.3/32 Direct 0 0 D 127.0.0.1 GigabitEthernet
0/0/1
192.168.13.255/32 Direct 0 0 D 127.0.0.1 GigabitEthernet
0/0/1
192.168.20.0/24 RIP 100 1 D 192.168.23.2 GigabitEthernet
0/0/2
192.168.23.0/24 Direct 0 0 D 192.168.23.3 GigabitEthernet
0/0/2
192.168.23.3/32 Direct 0 0 D 127.0.0.1 GigabitEthernet
0/0/2
192.168.23.255/32 Direct 0 0 D 127.0.0.1 GigabitEthernet
0/0/2
192.168.24.0/24 RIP 100 1 D 192.168.23.2 GigabitEthernet
0/0/2
192.168.30.0/24 Direct 0 0 D 192.168.30.1 LoopBack0
192.168.30.1/32 Direct 0 0 D 127.0.0.1 LoopBack0
192.168.30.255/32 Direct 0 0 D 127.0.0.1 LoopBack0
192.168.40.0/24 RIP 100 2 D 192.168.23.2 GigabitEthernet
0/0/2
255.255.255.255/32 Direct 0 0 D 127.0.0.1 InLoopBack0
[R4]dis ip ro
Route Flags: R - relay, D - download to fib

Routing Tables: Public
Destinations : 16 Routes : 16
Destination/Mask Proto Pre Cost Flags NextHop Interface
127.0.0.0/8 Direct 0 0 D 127.0.0.1 InLoopBack0
127.0.0.1/32 Direct 0 0 D 127.0.0.1 InLoopBack0
127.255.255.255/32 Direct 0 0 D 127.0.0.1 InLoopBack0
192.168.10.0/24 RIP 100 2 D 192.168.24.2 GigabitEthernet
0/0/1
192.168.12.0/24 RIP 100 1 D 192.168.24.2 GigabitEthernet
0/0/1
192.168.13.0/24 RIP 100 2 D 192.168.24.2 GigabitEthernet
0/0/1
192.168.20.0/24 RIP 100 1 D 192.168.24.2 GigabitEthernet
0/0/1
192.168.23.0/24 RIP 100 1 D 192.168.24.2 GigabitEthernet
0/0/1
192.168.24.0/24 Direct 0 0 D 192.168.24.4 GigabitEthernet
0/0/1
192.168.24.4/32 Direct 0 0 D 127.0.0.1 GigabitEthernet
0/0/1
192.168.24.255/32 Direct 0 0 D 127.0.0.1 GigabitEthernet
0/0/1
192.168.30.0/24 RIP 100 2 D 192.168.24.2 GigabitEthernet
0/0/1
192.168.40.0/24 Direct 0 0 D 192.168.40.1 LoopBack0
192.168.40.1/32 Direct 0 0 D 127.0.0.1 LoopBack0
192.168.40.255/32 Direct 0 0 D 127.0.0.1 LoopBack0
255.255.255.255/32 Direct 0 0 D 127.0.0.1 InLoopBack0
3 案例3：验证RIP v1和v2
3.1 问题
分别配置RIP v1和v2
查看路由表，验证网络通信是否正常
3.2 方案
使用eNSP搭建实验环境，如图-2所示。

技术分享图片

3.3 步骤
实现此案例需要按照如下步骤进行。

步骤一：配置RIP v1

[R1]dis cu
[V200R003C00]
#
snmp-agent local-engineid 800007DB03000000000000
snmp-agent
#
clock timezone China-Standard-Time minus 08:00:00
#
portal local-server load portalpage.zip
#
drop illegal-mac alarm
#
set cpu-usage threshold 80 restore 75
#
aaa
authentication-scheme default
authorization-scheme default
accounting-scheme default
domain default
domain default_admin
local-user admin password cipher %$%$K8m.Nt84DZ}e#<08bmE3Uw}%$%$ local-user admin service-type http # firewall zone Local priority 15 # interface GigabitEthernet0/0/0 ip address 192.168.1.1 255.255.255.0 # interface GigabitEthernet0/0/1 # interface GigabitEthernet0/0/2 # interface NULL0 # interface LoopBack0 ip address 10.1.1.1 255.255.255.0 # rip 1 network 192.168.1.0 network 10.0.0.0 # user-interface con 0 authentication-mode password user-interface vty 0 4 user-interface vty 16 20 # wlan ac # return [R2]dis cu [V200R003C00] # snmp-agent local-engineid 800007DB03000000000000 snmp-agent # clock timezone China-Standard-Time minus 08:00:00 # portal local-server load portalpage.zip # drop illegal-mac alarm # set cpu-usage threshold 80 restore 75 # aaa authentication-scheme default authorization-scheme default accounting-scheme default domain default domain default_admin local-user admin password cipher %$%$K8m.Nt84DZ}e#<08bmE3Uw}%$%$
local-user admin service-type http
#
firewall zone Local
priority 15
#
interface GigabitEthernet0/0/0
ip address 192.168.1.2 255.255.255.0
#
interface GigabitEthernet0/0/1
ip address 192.168.2.2 255.255.255.0
#
interface GigabitEthernet0/0/2
#
interface NULL0
#
rip 1
network 192.168.1.0
network 192.168.2.0
#
user-interface con 0
authentication-mode password
user-interface vty 0 4
user-interface vty 16 20
#
wlan ac
#
return
[R3]dis cu
[V200R003C00]
#
snmp-agent local-engineid 800007DB03000000000000
snmp-agent
#
clock timezone China-Standard-Time minus 08:00:00
#
portal local-server load portalpage.zip
#
drop illegal-mac alarm
#
set cpu-usage threshold 80 restore 75
#
aaa
authentication-scheme default
authorization-scheme default
accounting-scheme default
domain default
domain default_admin
local-user admin password cipher %$%$K8m.Nt84DZ}e#<0`8bmE3Uw}%$%$
local-user admin service-type http
#
firewall zone Local
priority 15
#
interface GigabitEthernet0/0/0
#
interface GigabitEthernet0/0/1
ip address 192.168.2.3 255.255.255.0
#
interface GigabitEthernet0/0/2
#
interface NULL0
#
interface LoopBack0
ip address 10.1.2.1 255.255.255.0
#
rip 1
network 192.168.2.0
network 10.0.0.0
#
user-interface con 0
authentication-mode password
user-interface vty 0 4
user-interface vty 16 20
#
wlan ac
#
return
2）查看路由表，验证网络通信是否正常

[R1]dis ip ro
Route Flags: R - relay, D - download to fib

Routing Tables: Public
Destinations : 11 Routes : 11
Destination/Mask Proto Pre Cost Flags NextHop Interface
10.1.1.0/24 Direct 0 0 D 10.1.1.1 LoopBack0
10.1.1.1/32 Direct 0 0 D 127.0.0.1 LoopBack0
10.1.1.255/32 Direct 0 0 D 127.0.0.1 LoopBack0
127.0.0.0/8 Direct 0 0 D 127.0.0.1 InLoopBack0
127.0.0.1/32 Direct 0 0 D 127.0.0.1 InLoopBack0
127.255.255.255/32 Direct 0 0 D 127.0.0.1 InLoopBack0
192.168.1.0/24 Direct 0 0 D 192.168.1.1 GigabitEthernet
0/0/0
192.168.1.1/32 Direct 0 0 D 127.0.0.1 GigabitEthernet
0/0/0
192.168.1.255/32 Direct 0 0 D 127.0.0.1 GigabitEthernet
0/0/0
192.168.2.0/24 RIP 100 1 D 192.168.1.2 GigabitEthernet
0/0/0
255.255.255.255/32 Direct 0 0 D 127.0.0.1 InLoopBack0
[R2] dis ip ro
Route Flags: R - relay, D - download to fib

Routing Tables: Public
Destinations : 11 Routes : 12
Destination/Mask Proto Pre Cost Flags NextHop Interface
10.0.0.0/8 RIP 100 1 D 192.168.1.1 GigabitEthernet
0/0/0
RIP 100 1 D 192.168.2.3 GigabitEthernet
0/0/1
127.0.0.0/8 Direct 0 0 D 127.0.0.1 InLoopBack0
127.0.0.1/32 Direct 0 0 D 127.0.0.1 InLoopBack0
127.255.255.255/32 Direct 0 0 D 127.0.0.1 InLoopBack0
192.168.1.0/24 Direct 0 0 D 192.168.1.2 GigabitEthernet
0/0/0
192.168.1.2/32 Direct 0 0 D 127.0.0.1 GigabitEthernet
0/0/0
192.168.1.255/32 Direct 0 0 D 127.0.0.1 GigabitEthernet
0/0/0
192.168.2.0/24 Direct 0 0 D 192.168.2.2 GigabitEthernet
0/0/1
192.168.2.2/32 Direct 0 0 D 127.0.0.1 GigabitEthernet
0/0/1
192.168.2.255/32 Direct 0 0 D 127.0.0.1 GigabitEthernet
0/0/1
255.255.255.255/32 Direct 0 0 D 127.0.0.1 InLoopBack0
[R3]dis ip ro
Route Flags: R - relay, D - download to fib

Routing Tables: Public
Destinations : 11 Routes : 11
Destination/Mask Proto Pre Cost Flags NextHop Interface
10.1.2.0/24 Direct 0 0 D 10.1.2.1 LoopBack0
10.1.2.1/32 Direct 0 0 D 127.0.0.1 LoopBack0
10.1.2.255/32 Direct 0 0 D 127.0.0.1 LoopBack0
127.0.0.0/8 Direct 0 0 D 127.0.0.1 InLoopBack0
127.0.0.1/32 Direct 0 0 D 127.0.0.1 InLoopBack0
127.255.255.255/32 Direct 0 0 D 127.0.0.1 InLoopBack0
192.168.1.0/24 RIP 100 1 D 192.168.2.2 GigabitEthernet
0/0/1
192.168.2.0/24 Direct 0 0 D 192.168.2.3 GigabitEthernet
0/0/1
192.168.2.3/32 Direct 0 0 D 127.0.0.1 GigabitEthernet
0/0/1
192.168.2.255/32 Direct 0 0 D 127.0.0.1 GigabitEthernet
0/0/1
255.255.255.255/32 Direct 0 0 D 127.0.0.1 InLoopBack0
在R1上ping不通10.1.2.1。

步骤二：配置RIP v2

[R1]rip
[R1-rip-1]version 2
R2、R3均做同样配置。

2）查看路由表，验证网络通信是否正常

[R1]dis ip ro
Route Flags: R - relay, D - download to fib

Routing Tables: Public
Destinations : 12 Routes : 12
Destination/Mask Proto Pre Cost Flags NextHop Interface
10.1.1.0/24 Direct 0 0 D 10.1.1.1 LoopBack0
10.1.1.1/32 Direct 0 0 D 127.0.0.1 LoopBack0
10.1.1.255/32 Direct 0 0 D 127.0.0.1 LoopBack0
10.1.2.0/24 RIP 100 2 D 192.168.1.2 GigabitEthernet
0/0/0
127.0.0.0/8 Direct 0 0 D 127.0.0.1 InLoopBack0
127.0.0.1/32 Direct 0 0 D 127.0.0.1 InLoopBack0
127.255.255.255/32 Direct 0 0 D 127.0.0.1 InLoopBack0
192.168.1.0/24 Direct 0 0 D 192.168.1.1 GigabitEthernet
0/0/0
192.168.1.1/32 Direct 0 0 D 127.0.0.1 GigabitEthernet
0/0/0
192.168.1.255/32 Direct 0 0 D 127.0.0.1 GigabitEthernet
0/0/0
192.168.2.0/24 RIP 100 1 D 192.168.1.2 GigabitEthernet
0/0/0
255.255.255.255/32 Direct 0 0 D 127.0.0.1 InLoopBack0
[R2]dis ip ro
Route Flags: R - relay, D - download to fib

Routing Tables: Public
Destinations : 12 Routes : 12
Destination/Mask Proto Pre Cost Flags NextHop Interface
10.1.1.0/24 RIP 100 1 D 192.168.1.1 GigabitEthernet
0/0/0
10.1.2.0/24 RIP 100 1 D 192.168.2.3 GigabitEthernet
0/0/1
127.0.0.0/8 Direct 0 0 D 127.0.0.1 InLoopBack0
127.0.0.1/32 Direct 0 0 D 127.0.0.1 InLoopBack0
127.255.255.255/32 Direct 0 0 D 127.0.0.1 InLoopBack0
192.168.1.0/24 Direct 0 0 D 192.168.1.2 GigabitEthernet
0/0/0
192.168.1.2/32 Direct 0 0 D 127.0.0.1 GigabitEthernet
0/0/0
192.168.1.255/32 Direct 0 0 D 127.0.0.1 GigabitEthernet
0/0/0
192.168.2.0/24 Direct 0 0 D 192.168.2.2 GigabitEthernet
0/0/1
192.168.2.2/32 Direct 0 0 D 127.0.0.1 GigabitEthernet
0/0/1
192.168.2.255/32 Direct 0 0 D 127.0.0.1 GigabitEthernet
0/0/1
255.255.255.255/32 Direct 0 0 D 127.0.0.1 InLoopBack0
[R3]dis ip ro
Route Flags: R - relay, D - download to fib

Routing Tables: Public
Destinations : 12 Routes : 12
Destination/Mask Proto Pre Cost Flags NextHop Interface
10.1.1.0/24 RIP 100 2 D 192.168.2.2 GigabitEthernet
0/0/1
10.1.2.0/24 Direct 0 0 D 10.1.2.1 LoopBack0
10.1.2.1/32 Direct 0 0 D 127.0.0.1 LoopBack0
10.1.2.255/32 Direct 0 0 D 127.0.0.1 LoopBack0
127.0.0.0/8 Direct 0 0 D 127.0.0.1 InLoopBack0
127.0.0.1/32 Direct 0 0 D 127.0.0.1 InLoopBack0
127.255.255.255/32 Direct 0 0 D 127.0.0.1 InLoopBack0
192.168.1.0/24 RIP 100 1 D 192.168.2.2 GigabitEthernet
0/0/1
192.168.2.0/24 Direct 0 0 D 192.168.2.3 GigabitEthernet
0/0/1
192.168.2.3/32 Direct 0 0 D 127.0.0.1 GigabitEthernet
0/0/1
192.168.2.255/32 Direct 0 0 D 127.0.0.1 GigabitEthernet
0/0/1
255.255.255.255/32 Direct 0 0 D 127.0.0.1 InLoopBack0
在R1上可以ping通10.1.2.1。

4 案例4：Cisco路由器配置RIP v1和v2
4.1 问题
1）分别配置RIP v1和v2

2）查看路由表，验证网络通信是否正常

4.2 方案
使用Cisco Packet Tracer 搭建实验环境，如图-3所示。

技术分享图片

4.3 步骤
实现此案例需要按照如下步骤进行。

步骤一：配置RIP v1

R1#sh run
Building configuration...
Current configuration : 669 bytes
!
version 12.4
no service timestamps log datetime msec
no service timestamps debug datetime msec
no service password-encryption
!
hostname R1
!
ip cef
no ipv6 cef
!
spanning-tree mode pvst
!
interface Loopback0
ip address 10.1.1.1 255.255.255.0
!
interface FastEthernet0/0
ip address 192.168.1.1 255.255.255.0
duplex auto
speed auto
!
interface FastEthernet0/1
no ip address
duplex auto
speed auto
shutdown
!
interface Vlan1
no ip address
shutdown
!
router rip
network 10.0.0.0
network 192.168.1.0
!
ip classless
!
ip flow-export version 9
!
line con 0
!
line aux 0
!
line vty 0 4
login
!
end
R2#sh run
Building configuration...
Current configuration : 628 bytes
!
version 12.4
no service timestamps log datetime msec
no service timestamps debug datetime msec
no service password-encryption
!
hostname R2
!
ip cef
no ipv6 cef
!
spanning-tree mode pvst
!
interface FastEthernet0/0
ip address 192.168.1.2 255.255.255.0
duplex auto
speed auto
!
interface FastEthernet0/1
ip address 192.168.2.2 255.255.255.0
duplex auto
speed auto
!
interface Vlan1
no ip address
shutdown
!
router rip
network 192.168.1.0
network 192.168.2.0
!
ip classless
!
ip flow-export version 9
!
line con 0
!
line aux 0
!
line vty 0 4
login
!
end
R3#sh run
Building configuration...
Current configuration : 669 bytes
!
version 12.4
no service timestamps log datetime msec
no service timestamps debug datetime msec
no service password-encryption
!
hostname R3
!
ip cef
no ipv6 cef
!
spanning-tree mode pvst
!
interface Loopback0
ip address 10.1.2.1 255.255.255.0
!
interface FastEthernet0/0
no ip address
duplex auto
speed auto
shutdown
!
interface FastEthernet0/1
ip address 192.168.2.3 255.255.255.0
duplex auto
speed auto
!
interface Vlan1
no ip address
shutdown
!
router rip
network 10.0.0.0
network 192.168.2.0
!
ip classless
!
ip flow-export version 9
!
line con 0
!
line aux 0
!
line vty 0 4
login
!
end
2）查看路由表，验证网络通信是否正常

R1#sh ip ro
Codes: C - connected, S - static, I - IGRP, R - RIP, M - mobile, B - BGP
D - EIGRP, EX - EIGRP external, O - OSPF, IA - OSPF inter area
N1 - OSPF NSSA external type 1, N2 - OSPF NSSA external type 2
E1 - OSPF external type 1, E2 - OSPF external type 2, E - EGP
i - IS-IS, L1 - IS-IS level-1, L2 - IS-IS level-2, ia - IS-IS inter area

- candidate default, U - per-user static route, o - ODR
  P - periodic downloaded static route
  Gateway of last resort is not set
  10.0.0.0/24 is subnetted, 1 subnets
  C 10.1.1.0 is directly connected, Loopback0
  C 192.168.1.0/24 is directly connected, FastEthernet0/0
  R 192.168.2.0/24 [120/1] via 192.168.1.2, 00:00:19, FastEthernet0/0
  R2#sh ip ro
  Codes: C - connected, S - static, I - IGRP, R - RIP, M - mobile, B - BGP
  D - EIGRP, EX - EIGRP external, O - OSPF, IA - OSPF inter area
  N1 - OSPF NSSA external type 1, N2 - OSPF NSSA external type 2
  E1 - OSPF external type 1, E2 - OSPF external type 2, E - EGP
  i - IS-IS, L1 - IS-IS level-1, L2 - IS-IS level-2, ia - IS-IS inter area
- candidate default, U - per-user static route, o - ODR
  P - periodic downloaded static route
  Gateway of last resort is not set
  R 10.0.0.0/8 [120/1] via 192.168.1.1, 00:00:20, FastEthernet0/0
  [120/1] via 192.168.2.3, 00:00:09, FastEthernet0/1
  C 192.168.1.0/24 is directly connected, FastEthernet0/0
  C 192.168.2.0/24 is directly connected, FastEthernet0/1
  R3#sh ip ro
  Codes: C - connected, S - static, I - IGRP, R - RIP, M - mobile, B - BGP
  D - EIGRP, EX - EIGRP external, O - OSPF, IA - OSPF inter area
  N1 - OSPF NSSA external type 1, N2 - OSPF NSSA external type 2
  E1 - OSPF external type 1, E2 - OSPF external type 2, E - EGP
  i - IS-IS, L1 - IS-IS level-1, L2 - IS-IS level-2, ia - IS-IS inter area
- candidate default, U - per-user static route, o - ODR
  P - periodic downloaded static route
  Gateway of last resort is not set
  10.0.0.0/24 is subnetted, 1 subnets
  C 10.1.2.0 is directly connected, Loopback0
  R 192.168.1.0/24 [120/1] via 192.168.2.2, 00:00:26, FastEthernet0/1
  C 192.168.2.0/24 is directly connected, FastEthernet0/1
  在R1上ping不通10.1.2.1。

步骤二：配置RIP v2

R1(config)#router rip
R1(config-router)#version 2
R1(config-router)#no auto-summary
R2、R3均做同样配置。

2）查看路由表，验证网络通信是否正常

- candidate default, U - per-user static route, o - ODR
  P - periodic downloaded static route
  Gateway of last resort is not set
  10.0.0.0/24 is subnetted, 2 subnets
  C 10.1.1.0 is directly connected, Loopback0
  R 10.1.2.0 [120/2] via 192.168.1.2, 00:00:16, FastEthernet0/0
  C 192.168.1.0/24 is directly connected, FastEthernet0/0
  R 192.168.2.0/24 [120/1] via 192.168.1.2, 00:00:16, FastEthernet0/0
  R2#sh ip ro
  Codes: C - connected, S - static, I - IGRP, R - RIP, M - mobile, B - BGP
  D - EIGRP, EX - EIGRP external, O - OSPF, IA - OSPF inter area
  N1 - OSPF NSSA external type 1, N2 - OSPF NSSA external type 2
  E1 - OSPF external type 1, E2 - OSPF external type 2, E - EGP
  i - IS-IS, L1 - IS-IS level-1, L2 - IS-IS level-2, ia - IS-IS inter area
- candidate default, U - per-user static route, o - ODR
  P - periodic downloaded static route
  Gateway of last resort is not set
  10.0.0.0/8 is variably subnetted, 3 subnets, 2 masks
  R 10.0.0.0/8 [120/1] via 192.168.1.1, 00:02:03, FastEthernet0/0
  [120/1] via 192.168.2.3, 00:01:23, FastEthernet0/1
  R 10.1.1.0/24 [120/1] via 192.168.1.1, 00:00:10, FastEthernet0/0
  R 10.1.2.0/24 [120/1] via 192.168.2.3, 00:00:27, FastEthernet0/1
  C 192.168.1.0/24 is directly connected, FastEthernet0/0
  C 192.168.2.0/24 is directly connected, FastEthernet0/1
  R3#sh ip ro
  Codes: C - connected, S - static, I - IGRP, R - RIP, M - mobile, B - BGP
  D - EIGRP, EX - EIGRP external, O - OSPF, IA - OSPF inter area
  N1 - OSPF NSSA external type 1, N2 - OSPF NSSA external type 2
  E1 - OSPF external type 1, E2 - OSPF external type 2, E - EGP
  i - IS-IS, L1 - IS-IS level-1, L2 - IS-IS level-2, ia - IS-IS inter area
- candidate default, U - per-user static route, o - ODR
  P - periodic downloaded static route
  Gateway of last resort is not set
  10.0.0.0/24 is subnetted, 2 subnets
  R 10.1.1.0 [120/2] via 192.168.2.2, 00:00:21, FastEthernet0/1
  C 10.1.2.0 is directly connected, Loopback0
  R 192.168.1.0/24 [120/1] via 192.168.2.2, 00:00:21, FastEthernet0/1
  C 192.168.2.0/24 is directly connected, FastEthernet0/1
  在R1上可以ping通10.1.2.1。

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[R1]dis ip roRoute Flags: R - relay, D - download to fib

[R1]dis ip roRoute Flags: R - relay, D - download to fib

[R1]dis ip roRoute Flags: R - relay, D - download to fib

[R1]dis ip ro
Route Flags: R - relay, D - download to fib

[R1]dis ip ro
Route Flags: R - relay, D - download to fib

[R1]dis ip ro
Route Flags: R - relay, D - download to fib