单臂路由-DHCP

 

R0  F0/1------------SW0  F0/1

SW0 F0/24----------SW1  F0/24

SW0 F0/11----------PC0

         F0/12----------PC1

         F0/13----------PC2

SW1 F0/11----------PC3

         F0/12----------PC4

         F0/13----------PC5

实验目的

R0作为单臂路由使vlan11-13PC机能互相访问,

并且作为DHCP服务器为VLAN11-13服务

R0:   en

         Conf t

         Lin con 0

         No exec-t  #登陆不超时#

         Logg sync   #输入同步#

R0(config)#int f0/1.1

R0(config-subif)#encapsulation dot1Q 11(vlan11进行802.1q封装,如此类推)

R0(config-subif)#ip add 192.168.11.1 255.255.255.0

R0(config-subif)#int f0/1.2

R0(config-subif)#en do 12

R0(config-subif)#ip add 192.168.12.1 255.255.255.0

R0(config-subif)#int f0/1.3

R0(config-subif)#en do 13

R0(config-subif)#ip add 192.168.13.1 255.255.255.0

R0(config-subif)#exit

R0(config)#ip dhcp po vlan11(11.0网段建立DHCP地址池,如此类推)

R0(dhcp-config)#network 192.168.11.0 255.255.255.0

R0(dhcp-config)#def 192.168.11.1

R0(dhcp-config)#dns-server 192.168.11.1

R0(config)#ip dhcp po vlan12

R0(dhcp-config)#network 192.168.12.0 255.255.255.0

R0(dhcp-config)#def 192.168.12.1

R0(dhcp-config)#dns-server 192.168.12.1

R0(config)#ip dhcp po vlan13

R0(dhcp-config)#network 192.168.13.0 255.255.255.0

R0(dhcp-config)#def 192.168.13.1

R0(dhcp-config)#dns-server 192.168.13.1

R0(config)#ip dhcp excluded-address 192.168.11.1(地址池为网关保留IP地址)

R0(config)#ip dh ex 192.168.12.1

R0(config)#ip dh ex 192.168.13.1

R0操作到此结束

 

 

SW0

省略常规命令

SW0(vlan)#vtp server (思科独有,简历管理域,方便域之间vlan修改管理)

Device mode already VTP SERVER.

SW0(vlan)#vtp domain softbar.com

Changing VTP domain name from NULL to softbar.com

SW0(vlan)#vlan 11

VLAN 11 added:

    Name: VLAN0011

SW0(vlan)#vlan 12

VLAN 12 added:

    Name: VLAN0012

SW0(vlan)#vlan 13

VLAN 13 added:

    Name: VLAN0013

SW0(vlan)#exit

APPLY completed.

Exiting....

SW0(config)#int f0/11

SW0(config-if)#sw ac vla 11

SW0(config-if)#sw mo ac

SW0(config-if)#int f0/12

SW0(config-if)#sw ac vl 12

SW0(config-if)#sw mo ac

SW0(config-if)#int f0/13

SW0(config-if)#sw ac vl 13

SW0(config-if)#sw mo ac

SW0(config-if)#int f0/1(f0/1f0/24启用中继trunk,使各vlan能互通)

SW0(config-if)#sw mo tr

SW0(config-if)#int f0/24

SW0(config-if)#sw mo tr

 

 

SW1

SW1(vlan)#vtp server

SW1(vlan)#vtp domain softbar.com

加入VTP以后,vlan11-13自动生成,无需手动建立

SW1(config)#int f0/11

SW1(config-if)#sw ac vla 11

SW1(config-if)#sw mo ac

SW1(config-if)#int f0/12

SW1(config-if)#sw ac vl 12

SW1(config-if)#sw mo ac

SW1(config-if)#int f0/13

SW1(config-if)#sw ac vl 13

SW1(config-if)#sw mo ac

SW1(config-if)#int f0/24

SW1(config-if)#sw mo tr

 

 

 

 

 

PC0~PC2都能通过DHCP自动获取到IP,网关和dns

 

PC0vlan11192.168.11.2)能pingPC2vlan13192.168.13.8

 

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