一、项目背景:
某某远程教育网络科技有限公司有4个不同业务部门,分别是研发、销售、商务、售后彼此间需要互联互通。另外,要求服务器区的HTTP服务器必须外网可直接访问,并合理利用网络资源。
二、项目需求:
1、网络部署模式:用户网关、设备网关全部位于核心交换机上。
2、设备必须统一设备命名,设备密码,远程登陆(交换机使用telnet,路由器使用SSH),设备时间,日志记录。
3、研发部门使用静态IP地址。
4、售后,商务部门统一使用动态DHCP获取IP地址,销售部门使用DHCP中继获取地址(中继服务器R1)。
5、只允许售后部门远程管理网络设备。
6、将Core核心设备管理远程(Telnet)映射到外网。
7、设备互联接口必须进行描述,描述格式:对端设备名称-对端设备接口。
8、出口路由器与核心交换机之间使用链路聚合。
9、开启端口隔离。
三、网络拓扑
1、客户网络拓扑:
2、实验演示拓扑:
四、项目规划
1、设备命名:
拓扑图中设备名称 |
配置主机名(hostname名) |
SW1 |
XAYC-YF-XS-2950 |
SW2 |
XAYC-SW-SH-2950 |
SW3 |
XAYC-SERVER-2950 |
Core |
XAYC-Core-2950 |
R1 |
XAYC-R1-2950 |
R2 |
XAYC-R2-2950 |
2、设备登录方式:
设备名称 |
登录方式 |
用户名 |
用户密码 |
enable密码 |
XAYC-R1-2950 |
telnet |
admin |
admin |
admin |
XAYC-R2-2950 |
telnet |
admin |
admin |
admin |
XAYC-Core-2950 |
telnet |
admin |
admin |
admin |
XAYC-SERVER-2950 |
telnet |
admin |
admin |
admin |
XAYC-YF-XS-2950 |
telnet |
admin |
admin |
admin |
XAYC-SW-SH-2950 |
telnet |
admin |
admin |
admin |
3、VLAN规划:
规划 |
VLAN |
VLAN/接口名称 |
说明 |
VLAN10 |
Yanfa |
研发 |
|
VLAN20 |
Xiaoshou |
销售 |
|
VLAN30 |
Shangwu |
商务 |
|
VLAN40 |
Shouhou |
售后 |
|
VLAN50 |
Server |
服务器区 |
|
VLAN100 |
manage |
设备管理VLAN |
4、IP地址规划:
规划 |
VLAN |
地址网段 |
子网掩码 |
VLAN10 |
192.168.10.0 |
255.255.255.0 |
|
VLAN20 |
182.168.20.0 |
255.255.255.0 |
|
VLAN30 |
192.168.30.0 |
255.255.255.0 |
|
VLAN40 |
192.168.40.0 |
255.255.255.0 |
|
VLAN50 |
192.168.50.0 |
255.255.255.0 |
|
VLAN100 |
192.168.100.0 |
255.255.255.0 |
5、管理地址规划:
设备 |
管理地址 |
SW1 |
192.168.100.1 |
SW2 |
192.168.100.2 |
SW3 |
192.168.100.3 |
SW4 |
192.168.100.4 |
SW5 |
192.168.100.5 |
Core |
192.168.100.254 |
R1与Core互联地址 |
192.168.1.0/30 |
6、详细地址规划:
设备名称 |
VLAN/接口 |
管理网关 |
子网掩码 |
XAYC-R1-2950 |
F 0/1 |
100.100.17.1 |
255.255.255.0 |
F 0/0 |
192.168.1.2 |
255.255.255.252 |
|
XAYC-R2-2950 |
F 0/1 |
100.100.17.254 |
255.255.255.0 |
XAYC-Core-2950 |
F 0/1 |
192.168.1.1 |
255.255.255.252 |
VLAN 10 |
192.168.10.1 |
255.255.255.0 |
|
VLAN 20 |
192.168.20.1 |
255.255.255.0 |
|
VLAN 30 |
192.168.30.1 |
255.255.255.0 |
|
VLAN 40 |
192.168.40.1 |
255.255.255.0 |
|
VLAN 50 |
192.168.50.1 |
255.255.255.0 |
|
VLAN 100 |
192.168.100.254 |
255.255.255.0 |
|
XAYC-SERVER-2950 |
VLAN 100 |
192.168.100.5 |
255.255.255.0 |
XAYC-YF-XS-2950 |
VLAN 100 |
192.168.100.1 |
255.255.255.0 |
XAYC-SW-SH-2950 |
VLAN 100 |
192.168.100.2 |
255.255.255.0 |
五、具体步骤
1、用户网关,设备网关均放在核心设备:
XAYC-Core-2950>en
XAYC-Core-2950#configure
XAYC-Core-2950(config)#vlan 10
XAYC-Core-2950(config-vlan)#name yanfa
XAYC-Core-2950(config-vlan)#exit
XAYC-Core-2950(config)#vlan 20
XAYC-Core-2950(config-vlan)#name xiaoshou
XAYC-Core-2950(config-vlan)#exit
XAYC-Core-2950(config)#vlan 30
XAYC-Core-2950(config-vlan)#name shangwu
XAYC-Core-2950(config-vlan)#exit
XAYC-Core-2950(config)#vlan 40
XAYC-Core-2950(config-vlan)#name shouhou
XAYC-Core-2950(config-vlan)#exit
XAYC-Core-2950(config)#vlan 100
XAYC-Core-2950(config-vlan)#name manage
XAYC-Core-2950(config-vlan)#exit
XAYC-Core-2950(config)#int vlan 10
XAYC-Core-2950(config-if-VLAN 10)#ip add 192.168.10.1255.255.255.0
XAYC-Core-2950(config-if-VLAN 10)#ex
XAYC-Core-2950(config)#int vlan 20
XAYC-Core-2950(config-if-VLAN 20)#ip add 192.168.20.1255.255.255.0
XAYC-Core-2950(config-if-VLAN 20)#ex
XAYC-Core-2950(config)#int vlan 30
XAYC-Core-2950(config-if-VLAN 30)#ip add 192.168.30.1255.255.255.0
XAYC-Core-2950(config-if-VLAN 30)#ex
XAYC-Core-2950(config)#int vlan 40
XAYC-Core-2950(config-if-VLAN 40)#ip add 192.168.40.1255.255.255.0
XAYC-Core-2950(config-if-VLAN 40)#ex
XAYC-Core-2950(config)#int vlan 50
XAYC-Core-2950(config-if-VLAN 50)#ip add 192.168.50.1255.255.255.0
XAYC-Core-2950(config-if-VLAN 50)#ex
XAYC-Core-2950(config)#int vlan 100
XAYC-Core-2950(config-if-VLAN 100)#ip add 192.168.100.254255.255.255.0
XAYC-Core-2950(config-if-VLAN 100)#ex
XAYC-Core-2950(config)#int f0/3
XAYC-Core-2950(config-if-FastEthernet 0/3)#switchport mode trunk
XAYC-Core-2950(config)#int f0/5
XAYC-Core-2950(config-if-FastEthernet 0/5)#switchport mode trunk
XAYC-Core-2950(config)#int f0/7
XAYC-Core-2950(config-if-FastEthernet 0/7)#switchport mode trunk
XAYC-Core-2950(config-if-FastEthernet 0/7)#exit
XAYC-Core-2950(config)#int f0/1
XAYC-Core-2950(config-if-FastEthernet0/1)# ip address 192.168.1.1 255.255.255.0
2、统一设备命名,设备密码,远程登录方式,设备时间,设备日志:
XAYC-Core-2950(config)#line vty 0 5
XAYC-Core-2950(config-line)#password admin
XAYC-Core-2950(config-line)#exit
XAYC-Core-2950(config)#enable password admin
XAYC-Core-2950(config)#clocktimezone beijing 8
XAYC-Core-2950(config)#ex
XAYC-Core-2950(config)#clocktimezone beijing 8
XAYC-Core-2950(config)#ex
XAYC-Core-2950#clockset 16:02:00 6 21 2019
XAYC-Core-2950(config)#logging file flash:syslog 7
XAYC-Core-2950(config)#logging file flash:syslog 131072
XAYC-Core-2950(config)#logging buffered 131072
XAYC-Core-2950(config)#logging userinfo command-log
XAYC-Core-2950(config)#service sysname
XAYC-Core-2950(config)#service sequence-numbers
XAYC-Core-2950(config)#service timestamps
3、配置DHCP服务:
XAYC-Core-2950(config)#service dhcp
XAYC-Core-2950(config)#ip dhcp pool vlan30
XAYC-Core-2950(dhcp-config)#network 192.168.30.0255.255.255.0
XAYC-Core-2950(dhcp-config)#dns-server 8.8.8.8
XAYC-Core-2950(dhcp-config)#default-router 192.168.30.1
XAYC-Core-2950(dhcp-config)#ex
XAYC-Core-2950(config)#ip dhcp pool vlan40
XAYC-Core-2950(dhcp-config)#network 192.168.40.0255.255.255.0
XAYC-Core-2950(dhcp-config)#dns-server 8.8.8.8
XAYC-Core-2950(dhcp-config)#default-router 192.168.40.1
XAYC-Core-2950(dhcp-config)#ex
XAYC-Core-2950#ip route 0.0.0.0 0.0.0.0 192.168.1.1
XAYC-R1-2950(config)#ip helper-address 192.168.1.2
4、配置远程管理服务,限制登录:
XAYC-Core-2950(config)#ip access-list standard 1
XAYC-Core-2950(config-std-nacl)#permit 192.168.40.00.0.0.255
XAYC-Core-2950(config-std-nacl)#ex
XAYC-Core-2950(config)#line vty 0 4
XAYC-Core-2950(config-line)#access-class 1 in
XAYC-Core-2950(config-line)#exit
5、配置接入交换机网络接口:
>配置SW1接入交换机:
SW1>en
SW1#configureterminal
SW1(config)#hostname XAYC-YF-XS-2950
XAYC-YF-XS-2950(config)#vlan10
XAYC-YF-XS-2950(config-vlan)#name yanfa
XAYC-YF-XS-2950(config-vlan)#vlan20
XAYC-YF-XS-2950(config-vlan)#name xiaoshou
XAYC-YF-XS-2950(config)#vlan100
XAYC-YF-XS-2950(config-vlan)#name manage
XAYC-YF-XS-2950(config-vlan)#ex
XAYC-YF-XS-2950(config)#intf0/1
XAYC-YF-XS-2950(config-if-FastEthernet0/1)#switchport mode trunk
XAYC-YF-XS-2950(config-if-FastEthernet0/1)#int f0/3
XAYC-YF-XS-2950(config-if-FastEthernet0/3)#switchport mode access
XAYC-YF-XS-2950(config-if-FastEthernet0/3)#switchport access vlan 10
XAYC-YF-XS-2950(config-if-FastEthernet0/3)#int f0/5
XAYC-YF-XS-2950(config-if-FastEthernet0/5)#switchport mode access
XAYC-YF-XS-2950(config-if-FastEthernet0/5)#switchport access vlan 20
XAYC-YF-XS-2950(config-if-FastEthernet0/3)#ex
XAYC-YF-XS-2950(config-vlan)#intvlan 100
XAYC-YF-XS-2950(config-if-VLAN100)#ip address 192.168.100.1 255.255.255.0
XAYC-YF-XS-2950(config-if-VLAN100)#ex
>配置SW2接入交换机:
SW2>en
SW2
SW2(config)
XAYC-SW-SH-2950(config)
XAYC-SW-SH-2950(config-vlan)
XAYC-SW-SH-2950(config-vlan)
XAYC-SW-SH-2950(config)
XAYC-SW-SH-2950(config-vlan)
XAYC-SW-SH-2950(config-vlan)
XAYC-SW-SH-2950(config)
XAYC-SW-SH-2950(config-vlan)
XAYC-SW-SH-2950(config-vlan)
XAYC-SW-SH-2950(config)
XAYC-SW-SH-2950(config-if-FastEthernet0/3)
XAYC-SW-SH-2950(config-if-FastEthernet0/3)
XAYC-SW-SH-2950(config-if-FastEthernet0/3)
XAYC-SW-SH-2950(config)
XAYC-SW-SH-2950(config-if-FastEthernet0/5)
XAYC-SW-SH-2950(config-if-FastEthernet0/5)
XAYC-SW-SH-2950(config-if-FastEthernet0/5)
XAYC-SW-SH-2950(config)
XAYC-SW-SH-2950(config-if-FastEthernet0/1)
XAYC-SW-SH-2950(config-if-FastEthernet0/1)
XAYC-SW-SH-2950(config)
XAYC-SW-SH-2950(config-if-VLAN100)
XAYC-SW-SH-2950(config-if-VLAN100)
6、出口路由配置:
XAYC-R1-2950(config)#int f0/0
XAYC-R1-2950(config-if-FastEthernet0/0)# ip address 192.168.1.2 255.255.255.0
XAYC-R1-2950(config)#int f0/1
XAYC-R1-2950(config-if-FastEthernet0/1)# ip address 100.100.17.1 255.255.255.0
XAYC-R1-2950(config)#intf0/2
XAYC-R1-2950(config-if-FastEthernet0/2)#ip address 100.1.1.1 255.255.255.0
XAYC-R1-2950(config-if-FastEthernet0/2)#exit
XAYC-R1-2950(config)#ip access-list standard 1
XAYC-R1-2950(config-std-nacl)#permit any
XAYC-R1-2950(config-std-nacl)#ex
XAYC-R1-2950(config)#ip nat pool 100.100.17.1100.100.17.2 netmask 255.255.255.0
XAYC-R1-2950(config)#ip nat inside source list 1 poolruijie
XAYC-R1-2950(config)#int f0/0
XAYC-R1-2950(config-if-FastEthernet 0/0)#ip nat inside
XAYC-R1-2950(config-if-FastEthernet 0/0)#ex
XAYC-R1-2950(config)#int f0/1
XAYC-R1-2950(config-if-FastEthernet 0/1)#ip nat outside
XAYC-R1-2950(config-if-FastEthernet 0/1)#ex
XAYC-R1-2950(config)#ip nat inside source static tcp 192.168.100.25423 100.100.17.1 2000
XAYC-R1-2950(config)#ip route 192.168.0.0 255.255.0.0192.168.1.1
7、设备互联接口描述:
XAYC-Core-2950(config)#int f0/1
XAYC-Core-2950(config-if-FastEthernet0/1)#description XAYC-R1-2950-f0/0
XAYC-Core-2950(config-if-FastEthernet0/1)#int f0/7
XAYC-Core-2950(config-if-FastEthernet0/7)#description XAYC-SERVER-2950-f0/1
XAYC-Core-2950(config-if-FastEthernet0/7)#int f0/3
XAYC-Core-2950(config-if-FastEthernet0/3)#description XAYC-YF-XS-2950-f0/1
XAYC-Core-2950(config-if-FastEthernet0/3)#int f0/5
XAYC-Core-2950(config-if-FastEthernet0/5)#description XAYC-SWSH-2950-f0/1
XAYC-Core-2950(config-if-FastEthernet0/5)#ex
XAYC-Core-2950(config)#ex
XAYC- YF-XS-2950(config)#int f 0/1
XAYC-YF-XS-2950(config-if-FastEthernet0/1)#description XAYC-Core-2950-f0/3
XAYC-YF-XS-2950(config-if-FastEthernet0/1)#ex
XAYC-SW-SH-2950(config-if-FastEthernet0/1)#description XAYC-Core-2950-f0/5
XAYC-SW-SH-2950(config-if-FastEthernet0/1)#ex
XAYC-SERVER-2950(config)#int f0/1
XAYC-SERVER-2950(config-if-FastEthernet0/1)#description XAYC-Core-2950-f0/7
XAYC-SERVER-2950(config-if-FastEthernet0/1)#ex
XAYC-R1-2950(config)#int f0/1
XAYC-R1-2950(config-if-FastEthernet0/1)#description XAYC-R2-2950-f0/1
XAYC-R1-2950(config-if-FastEthernet0/1)#ex
XAYC-R1-2950(config)#int f0/0
XAYC-R1-2950(config-if-FastEthernet0/0)#description XAYC-Core-2950-f0/1
XAYC-R1-2950(config-if-FastEthernet0/0)#ex
XAYC-R2-2950(config)#int f0/1
XAYC-R2-2950(config-if-FastEthernet0/1)#description XAYC-R1-2950-f0/1
XAYC-R2-2950(config-if-FastEthernet 0/1)
8、防止私设DHCP服务:
XAYC-YF-XS-2950(config)#int f0/1
XAYC-YF-XS-2950(config-if-FastEthernet 0/1)#ip dhcpsnooping trust
XAYC-YF-XS-2950(config-if-FastEthernet 0/1)#ex
XAYC-SW-SH-2950(config)#int f0/1
XAYC-SW-SH-2950(config-if-FastEthernet 0/1)#ip dhcpsnooping trust
XAYC-SW-SH-2950(config-if-FastEthernet 0/1)#ex
9、开启端口隔离:
XAYC-YF-XS-2950(config)
XAYC-YF-XS-2950(config-if-FastEthernet 0/3)
XAYC-YF-XS-2950(config-if-FastEthernet 0/3)
XAYC-YF-XS-2950(config)
XAYC-YF-XS-2950(config-if-FastEthernet 0/5)
XAYC-YF-XS-2950(config-if-FastEthernet 0/5)
XAYC-SW-SH-2950(config)
XAYC-SW-SH-2950(config-if-FastEthernet 0/3)
XAYC-SW-SH-2950(config-if-FastEthernet 0/3)
XAYC-SW-SH-2950(config)
XAYC-SW-SH-2950(config-if-FastEthernet0/5)
XAYC-SW-SH-2950(config-if-FastEthernet0/5)
六、结果测试
1、售后远程管理设备:
2、商务不能远程管理设备:
3、测试网络连通性:
>测试商务连通性:
>测试核心交换机连通性:
>测试研发连通性:
>测试售后连通性:
>使用动态获取ip地址:
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