一、实验拓扑图

二、实验要求:
1、R6为ISP,接口IP地址均为公有地址,该设备只能配置IP地址,之后不能再对其进行任何配置;
2、R1-R5为局域网,私有IP地址192.168.1.0/24,请合理分配;
3、R1、R2、R4,各有两个环回IP地址;R5,R6各有一个环回地址;所有路由器上环回均代表连接用户的接口;
4、R3下面的两台PC通过DHCP自动获取IP地址;
5、选路最佳,路由表尽量小,避免环路;
6、R1-R5均可以访问R6的环回;
7、R6 telnet R5的公有地址时,实际登录到R1上;
8、R4与R5正常通过1000M链路,故障时通过100m链路;
三、实验思路
1.根据网段数并且简化路由再划分IP
2.配置DHCP服务,下发给主机IP
3.配置静态路由,使得内网全通
4.配置路由防止成环
5. 配置nat,使得公网与私网互通,
6.R6telentR5,实则登录R1
7.R4与R5正常通过1000M链路,故障时通过100m链路,即修改优先级
四、实验步骤:
分别给R1~R6配置IP地址和环回
[R1]int g 0/0/0
[R1-GigabitEthernet0/0/0]ip add 192.168.1.1 30
Mar 21 2024 14:40:09-08:00 R1 %%01IFNET/4/LINK_STATE(l)[2]:The line protocol IP
on the interface GigabitEthernet0/0/0 has entered the UP state.
[R1-GigabitEthernet0/0/0]int g 0/0/1
[R1-GigabitEthernet0/0/1]ip add 192.168.1.5 30
Mar 21 2024 14:41:21-08:00 R1 %%01IFNET/4/LINK_STATE(l)[3]:The line protocol IP
on the interface GigabitEthernet0/0/1 has entered the UP state.
[R1-GigabitEthernet0/0/1]q
[R1]int l0
[R1-LoopBack0]ip add 192.168.1.33 28
[R1-LoopBack0]int l1
[R1-LoopBack1]ip add 192.168.1.49 28
[R1-LoopBack1]q
[R1]dis ip int b
[R1]dis ip int brief
配置R2的IP和环回:
R2]int g 0/0/0
[R2-GigabitEthernet0/0/0]ip add 192.168.1.2 30
Mar 21 2024 14:48:07-08:00 R2 %%01IFNET/4/LINK_STATE(l)[0]:The line protocol IP
on the interface GigabitEthernet0/0/0 has entered the UP state.
[R2-GigabitEthernet0/0/0]int g 0/0/1
[R2-GigabitEthernet0/0/1]ip add 192.168.1.9 30
Mar 21 2024 14:49:09-08:00 R2 %%01IFNET/4/LINK_STATE(l)[1]:The line protocol IP
on the interface GigabitEthernet0/0/1 has entered the UP state.
[R2-GigabitEthernet0/0/1]
[R2]int l0
[R2-LoopBack0]ip add 192.168.1.65 28
[R2-LoopBack0]int l1
[R2-LoopBack1]ip add 192.168.1.81 28
[R2-LoopBack1]q
配置R3
R3]int g 0/0/0
[R3-GigabitEthernet0/0/0]ip add 192.168.1.6 30
Mar 21 2024 14:54:54-08:00 R3 %%01IFNET/4/LINK_STATE(l)[0]:The line protocol IP
on the interface GigabitEthernet0/0/0 has entered the UP state.
[R3-GigabitEthernet0/0/0]int g 0/0/1
[R3-GigabitEthernet0/0/1]ip add 192.168.1.13 30
Mar 21 2024 14:55:36-08:00 R3 %%01IFNET/4/LINK_STATE(l)[1]:The line protocol IP
on the interface GigabitEthernet0/0/1 has entered the UP state.
[R3-GigabitEthernet0/0/1]q
配置好IP地址后因为下面还有一个网段且都连接着两台主机pc1和pc2,直接用dhcp获取,所以下面就是给R3配置dhcp:
R3]dhcp en
[R3]dhcp enable
Info: The operation may take a few seconds. Please wait for a moment.done.
[R3]ip pool aa
Info: It's successful to create an IP address pool.
R3-ip-pool-aa]net
[R3-ip-pool-aa]netbios-type
[R3-ip-pool-aa]network 192.168.1.96 mask 27<

该博客围绕网络实验展开,包括实验拓扑图、要求、思路和步骤。实验要求对R1 - R6路由器进行IP和环回配置,实现公网与私网互通、DHCP服务、静态路由配置、telnet配置等,还需处理链路故障切换,如R4与R5正常用1000M链路,故障时用100M链路。
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