vlan2_access_sw1 192.168.2.1
van3 _access_sw2 192.168.3.1
vlan4_server 192.168.4.1
core_sw1_f0/1 192.168.10.2
isp_route1_f0/1 192.168.10.2
isp_route_f0/0 192.168.10.1
isp_routepc 172.16.1.2
Router>enable
Router#config terminal
Router(config)#line console 0
Router(config-line)#exec-timeout 60
Router(config-line)#logging synchronous
Router(config-line)#no ip domain-lookup
Router(config)#exit
Router(config)#hostname isp-route1
isp-route1(config)#enable secret level 15 cisco 加密特权密码
isp-route1(config)#ip domain-name cisco 配置ssh
isp-route1(config)#crypto key generate rsa
isp-route1(config)#aaa new-model
isp-route1(config)#username cisco password cisco ssh用户名密码
isp-route1(config)#ip ssh time-out 60
isp-route1(config)#ip ssh authentication-retries 3
isp-route1(config)#ip ssh time-out 120
isp-route1(config)#line vt
isp-route1(config)#line vty 0 4
isp-route1(config-line)#transport input ssh
isp-route1(config-line)#do wr
isp-route1(config)#interface f0/1 配置于三层交换机直连口
isp-route1(config-if)#ip address 192.168.10.1 255.255.255.0
isp-route1(config-if)#no shutdown
isp-route1(config-if)#do wr
isp-route1(config-if)#exit
isp-route1(config)#interface f0/0 配置测试isp_ip
isp-route1(config-if)#ip ad
isp-route1(config-if)#ip address 172.16.1.2 255.255.0.0
isp-route1(config-if)#no shu
isp-route1(config-if)#no shutdown
isp-route1(config)#router rip isp_route配置路由
isp-route1(config-router)#net
isp-route1(config-router)#network 192.168.10.1
isp-route1(config-router)#network 172.16.1.0
isp-route1(config-router)#do wr
isp-route1(config)#do show ip route
C 172.16.0.0/16 is directly connected, FastEthernet0/0
R 192.168.2.0/24 [120/1] via 192.168.10.2, 00:00:00, FastEthernet0/1
R 192.168.3.0/24 [120/1] via 192.168.10.2, 00:00:00, FastEthernet0/1
C 192.168.10.0/24 is directly connected, FastEthernet0/1
Switch>enable
Switch#config terminal
Switch(config)#line console 0
Switch(config-line)#exec-timeout 60
Switch(config-line)#logging synchronous
core-sw1(config)#hostname core-sw1
core-sw1(config)#no ip domain-lookup
core-sw1(config)#enable secret level 15 cisco
core-sw1(config)#ip domain-name cisco.com 配置ssh
core-sw1(config)#crypto key generate rsa
core-sw1(config)#aaa new-model
core-sw1(config)#username cisco password cisco
core-sw1(config)#ip ssh time-out 60
core-sw1(config)#ip ssh authentication-retries 3
core-sw1(config)#ip ssh time-out 120
core-sw1(config)#line vty 0 4
core-sw1(config-line)#transport input ssh
core-sw1(config)#do wr
core-sw1(config)#exit
core-sw1#vlan database 三层交换划分vlan
core-sw1(vlan)#vlan 2 name access-sw1
core-sw1(vlan)#exit
core-sw1#vlan database
core-sw1(vlan)#vlan 3 name access-sw2
core-sw1(vlan)#exit
core-sw1(vlan)#vlan 4 name server
core-sw1(vlan)#exit
core-sw1(config)#vtp domain xin 配置vlan同步
core-sw1(config)#vtp mode server
core-sw1(config)#vtp password cisco
core-sw1(config)#do wr
core-sw1(config)#interface range f0/23-24 启动trunk功能
core-sw1(config-if-range)#switchport mode access
core-sw1(config-if-range)#switchport mode trunk
core-sw1(config-if-range)#no shutdown
core-sw1(config-if-range)#spanning-tree por
core-sw1(config-if-range)#spanning-tree portfast
core-sw1(config-if-range)#exit
core-sw1(config)#interface f0/23 启动端口描述，用于后期网络故障排查
core-sw1(config-if)#description core-sw1-23 to access-sw2-23
core-sw1(config-if)#no shutdown
core-sw1(config)#interface f0/24
core-sw1(config-if)#description core-sw-24 to access-sw1-24
core-sw1(config-if)#no shutdown
core-sw1(config)#interface range f0/2-5 核心交换机添加 服务器vlan
core-sw1(config-if-range)#switchport access vlan 4
core-sw1(config-if-range)#spanning-tree portfast
core-sw1(config-if-range)#no shutdown
core-sw1(config-if-range)#de
core-sw1(config-if-range)#description core-sw1_2-5 to vlan5_server
core-sw1(config-if-range)#do wr
core-sw1#config terminal 配置二层vlan网关+dhcp分配ip
core-sw1(config)#interface vlan 2
core-sw1(config-if)#ip address 192.168.2.1 255.255.255.0
core-sw1(config-if)#exit
core-sw1(config)#interface vlan 3
core-sw1(config-if)#ip address 192.168.3.1 255.255.255.0
core-sw1(config-if)#no shutdown
core-sw1(config)#interface vlan 3
core-sw1(config-if)#ip address 192.168.4.1 255.255.255.0
core-sw1(config-if)#no shutdown
core-sw1(config)#ip dhcp pool vlan2 配置dhcp功能
core-sw1(dhcp-config)#network 192.168.2.0 255.255.255.0 客户端分配dhcp网段
core-sw1(dhcp-config)#default-router 192.168.2.1 客户端分配 网关
core-sw1(dhcp-config)#dns-server 192.168.2.1 客户端分配dns地址
core-sw1(dhcp-config)#exit
core-sw1(config)#ip dhcp excluded-address 192.168.2.1 排除地址
core-sw1(config)#do wr
core-sw1(config)#ip dhcp pool vlan3
core-sw1(dhcp-config)#network 192.168.3.0 255.255.255.0
core-sw1(dhcp-config)#default-router 192.168.3.1
core-sw1(dhcp-config)#exit
core-sw1(config)#ip dhcp excluded-address 192.168.3.1 dhcp排除ip
core-sw1(config)#do wr
core-sw1(config)#interface f0/1
core-sw1(config-if)#no switchport 开启三层功能
core-sw1(config-if)#ip address 192.168.10.2 255.255.255.0
core-sw1(config-if)#no shutdown
core-sw1(config)#router rip 配置vlan间路由
core-sw1(config-router)#net
core-sw1(config-router)#network 192.168.2.0
core-sw1(config-router)#network 192.168.3.0
core-sw1(config-router)#network 192.168.4.0
core-sw1(config-router)#network 192.168.10.2
core-sw1(config-router)#do wr
core-sw1(config)#do show ip route
R 172.16.0.0/16 [120/1] via 192.168.10.1, 00:00:07, FastEthernet0/1
C 192.168.2.0/24 is directly connected, Vlan2
C 192.168.3.0/24 is directly connected, Vlan3
C 192.168.10.0/24 is directly connected, FastEthernet0/1
core-sw1#show arp dhcp分配ip地址
Protocol Address Age (min) Hardware Addr Type Interface
Internet 192.168.2.1 - 0001.429D.3E50 ARPA Vlan2
Internet 192.168.2.2 0 0060.5C1C.9E89 ARPA Vlan2
Internet 192.168.3.1 - 0001.429D.3E50 ARPA Vlan3
Internet 192.168.3.2 0 000A.F368.EAB6 ARPA Vlan3
Internet 192.168.3.3 0 0090.2BD2.C368 ARPA Vlan3
core-sw1#show vlan
2 access-sw1 active
3 access-sw2 active
4 server active
Switch>enable
Switch#config t
Switch#config terminal
Switch(config)#line console 0
Switch(config-line)#exec-timeout 60
Switch(config-line)#logging synchronous
Switch(config-line)#exit
Switch(config)#hostname access-sw1 配置登入密码 特权密码,由于系统版本不支持ssh只能使用telnet
access-sw1(config)#no ip domain-lookup
access-sw1(config)#line vty 0 4
access-sw1(config-line)#password cisco
access-sw1(config-line)#exit
access-sw1(config)#enable secret level 15 cisco
access-sw1(config)#do wr
access-sw1(config)#interface f0/24
access-sw1(config-if)#description access-sw1-24 to core-sw1-24 端口描述
access-sw1(config-if)#switchport mode access
access-sw1(config-if)#switchport mode trunk 启用trunk
access-sw1(config-if)#spanning-tree portfast
access-sw1(config-if)#no shutdown
access-sw1(config-if)#do wr
access-sw1(config)#do vlan database access-sw1配置vlan
access-sw1(vlan)#vlan 2 name access-sw1
access-sw1(vlan)#exit
access-sw1#config terminal
access-sw1(config)#vtp domain xin 设置vlan同步
access-sw1(config)#vtp mode client
access-sw1(config)#vtp password cisco
access-sw1(config)#do wr
access-sw1(config)#interface range f0/1-2 客户端加入vlan
access-sw1(config-if-range)#switchport access vlan 2
access-sw1(config-if-range)#spanning-tree portfast
access-sw1(config-if-range)#description access-sw1-1-2 to pc-1-2
Switch>enable
Switch#config terminal
Switch(config)#line console 0
Switch(config-line)#exec-timeout 60
Switch(config-line)#logging synchronous
Switch(config-line)#exit
Switch(config)#hostname nam
Switch(config)#hostname access-sw2
access-sw2(config)#no ip domain-lookup
access-sw2(config)#line vty 0 4
access-sw2(config-line)#password cisco
access-sw2(config-line)#exit
access-sw2(config)#enable secret level 15 ciscco
access-sw2(config)#do wr
access-sw2(config)#interface f0/23
access-sw2(config-if)#description access-sw2-23 to core-sw2-23
access-sw2(config-if)#spanning-tree portfast
access-sw2(config-if)#switchport mode access
access-sw2(config-if)#switchport mode trunk
access-sw2(config-if)#
access-sw2(config-if)#no shu
access-sw2(config-if)#no shutdown
access-sw2(config-if)#do wr
access-sw2(config-if)#do vlan database access-sw1配置vlan
access-sw2(vlan)#vlan 3 name access-sw2
access-sw2(vlan)#exit
access-sw2#config terminal
access-sw2(config)#vtp domain xin 设置vlan同步
access-sw2(config)#vtp mode client
access-sw2(config)#vtp password cisco
access-sw2(config)#do wr
access-sw2(config)#interface range f0/1-2 access-sw2配置vlan
access-sw2(config-if-range)#switchport access vlan 3
access-sw2(config-if-range)#description access-sw1-1-2 to pc1-2
access-sw2(config-if-range)#exit
access-sw2(config)#spanning-tree portfast
show vlan
2 access-sw1 active Fa0/1, Fa0/2 配置vtp 三层vlan做修改 三层交换机也会同步
3 access-sw2 active
4 server active