交换综合实验

1、拓扑图：

2、实验要求：

1、内网IP地址使用172.16.0.0/16

2.SW1和SW2之间互为备份；

3、VRRP/STP/VLAN/eth-trunk均使用；

4、所有PC均通过DHCP获取地址；

5、ISP只配置IP地址；

6、所有电脑可以正常访问ISP路由器环回

3、实验步骤

路由和交换机都存在时，先配交换机，当交换机两层和三层设备都存在时，先配二层设备

配置vlan

[SW3]vlan 2

[SW3-vlan2]vlan 3

[SW4]vlan 2

[SW4-vlan3]vlan 3

配置接口类型

[SW3]int g 0/0/1

[SW3-GigabitEthernet0/0/1]port link-type access

[SW3-GigabitEthernet0/0/1]port default vlan 2

[SW3-GigabitEthernet0/0/1]int g 0/0/2

[SW3-GigabitEthernet0/0/2]port link-type access

[SW3-GigabitEthernet0/0/2]port default vlan 3

[SW3]port-group group-member  g0/0/3 to g0/0/4

[SW3-port-group]port link-type trunk

[SW3-GigabitEthernet0/0/3]port link-type trunk

[SW3-GigabitEthernet0/0/4]port link-type trunk

[SW3-port-group]port trunk allow-pass vlan 2 3

[SW3-GigabitEthernet0/0/3]port trunk allow-pass vlan 2 3

[SW3-GigabitEthernet0/0/4]port trunk allow-pass vlan 2 3

[SW4]int g 0/0/1

[SW4-GigabitEthernet0/0/1]p l a

[SW4-GigabitEthernet0/0/1]port default vlan 2

[SW4-GigabitEthernet0/0/2] p l a

[SW4-GigabitEthernet0/0/2]port default vlan 3

[SW4]port-group group-member g0/0/3 to g0/0/4

[SW4-port-group]port link-type trunk

[SW4-GigabitEthernet0/0/3]port link-type trunk

[SW4-GigabitEthernet0/0/4]port link-type trunk

[SW4-port-group]port trunk allow-pass vlan  2 3

[SW4-GigabitEthernet0/0/3]port trunk allow-pass vlan  2 3

[SW4-GigabitEthernet0/0/4]port trunk allow-pass vlan  2 3

三层交换机：

[SW1]vlan 2

[SW1-vlan2]vlan 3

[SW1-vlan3]vlan 10

[SW1-vlan10]vlan 20

[SW1]port-group group-member g0/0/3 to g0/0/4

[SW1-port-group]p l t

[SW1-GigabitEthernet0/0/3]p l t

[SW1-GigabitEthernet0/0/4]p l t

[SW1-port-group]port trunk allow-pass vlan 2 3

[SW1-GigabitEthernet0/0/3]port trunk allow-pass vlan 2 3

[SW1-GigabitEthernet0/0/4]port trunk allow-pass vlan 2 3

聚合

[SW1-Eth-Trunk0]trunkport GigabitEthernet 0/0/1 to 0/0/2

[SW2-Eth-Trunk0]trunkport GigabitEthernet 0/0/1 to 0/0/2

[SW2-Eth-Trunk0]p l t

[SW2-Eth-Trunk0]port trunk allow-pass vlan 2 3 10 20

[SW1-Eth-Trunk0]p l t

[SW1-Eth-Trunk0]port trunk allow-pass vlan 2 3 10 20

[SW1-GigabitEthernet0/0/5]port link-type  access  

[SW1-GigabitEthernet0/0/5]port default  vlan 10

[SW2]port-group group-member GigabitEthernet  0/0/3 to g0/0/4

[SW2-port-group]p l t

[SW2-GigabitEthernet0/0/3]p l t

[SW2-GigabitEthernet0/0/4]p l t

[SW2-port-group]port trunk allow-pass vlan 2 3

[SW2-GigabitEthernet0/0/3]port trunk allow-pass vlan 2 3

[SW2-GigabitEthernet0/0/4]port trunk allow-pass vlan 2 3

[SW2-GigabitEthernet0/0/5]p l a

[SW2-GigabitEthernet0/0/5]port default vlan

[SW2-GigabitEthernet0/0/5]port default vlan 20

配地址：

[SW1]interface Vlanif 2

[SW1-Vlanif2]ip add 172.16.0.1 26

[SW1-Vlanif2]int v 3

[SW1-Vlanif3]ip add 172.16.0.65 26

[SW1]int v 10

[SW1-Vlanif10]ip add 172.16.0.129 26

[SW2]int v 2

[SW2-Vlanif2]ip add 172.16.0.2  26

[SW2-Vlanif2]int v 3

[SW2-Vlanif3]ip add 172.16.0.66 26

[SW2-Vlanif20]ip add 172.16.0.193 26

[R1]int g 0/0/1

[R1-GigabitEthernet0/0/1]ip add 172.16.0.130 26

[R1-GigabitEthernet0/0/1]int g 0/0/2

[R1-GigabitEthernet0/0/2]ip add 172.16.0.194 26

[R1-GigabitEthernet0/0/2]int g 0/0/0

[R1-GigabitEthernet0/0/0]ip add 12.0.0.1 24

[ISP]int  g 0/0/0

[ISP-GigabitEthernet0/0/0]ip add 12.0.0.2 24

[ISP-GigabitEthernet0/0/0]int l0

[ISP-LoopBack0]ip add 2.2.2.2 24

搞内网通：

MSTP

[SW1]stp enable 

[SW1]stp mode mstp

[SW1]stp region-configuration

[SW1-mst-region]region-name aa

[SW1-mst-region]instance 1 vlan 2

[SW1-mst-region]instance 2 vlan 3

[SW1-mst-region]active region-configuration

[SW2]stp enable 

[SW2]stp mode mstp

SW2]stp region-configuration

[SW2-mst-region]region-name aa

[SW2-mst-region]instance 1 vlan 2

[SW2-mst-region]instance  2 vlan 3

[SW2-mst-region]active region-configuration

[SW3]stp enable

[SW3]stp mode mstp

[SW3]stp region-configuration

SW3-mst-region]region-name aa

[SW3-mst-region]instance 1 vlan 2

[SW3-mst-region]instance 2 vlan 3

[SW3-mst-region]active region-configuration

[SW4]stp enable

[SW4]stp mode mstp

[SW4]stp region-configuration

[SW4-mst-region]region-name  aa

[SW4-mst-region]instance 1 vlan 2

[SW4-mst-region]instance 2 vlan 3

[SW4-mst-region]active region-configuration

准备根桥：

[SW1]stp instance 1 root primary

[SW2]stp instance  1 root secondary

[SW1]stp instance 2 root secondary

[SW2]stp instance 2 root primary

连有pc，需要做边缘端口的保护：

[SW3]port-group group-member GigabitEthernet 0/0/1 to 0/0/2

[SW3-port-group]stp edged-port enable

[SW3-GigabitEthernet0/0/1]stp edged-port enable

[SW3-GigabitEthernet0/0/2]stp edged-port enable

[SW3]stp bpdu-protection

[SW4]port-group group-member GigabitEthernet 0/0/1 to g 0/0/2

[SW4-port-group]stp enable

[SW4-GigabitEthernet0/0/1]stp enable

[SW4-GigabitEthernet0/0/2]stp enable

[SW4-port-group]stp edged-port enable

[SW4-GigabitEthernet0/0/1]stp edged-port enable

[SW4-GigabitEthernet0/0/2]stp edged-port enable

SW4]stp bpdu-protection

检查：

[SW1]dis stp brief

SW2:

vrrp：

SW1]int v 2

[SW1-Vlanif2]vrrp vrid 1 virtual-ip 172.16.0.62

[SW1-Vlanif2]vrrp vrid 1 priority 120

[SW1-Vlanif2]vrrp vrid 1 track  interface g0/0/5 reduced 30

[SW1]int v 3        

[SW1-Vlanif3]vrrp vrid 2 virtual-ip 172.16.0.126

[SW2]int v 2

[SW2-Vlanif2]vrrp vrid 1 virtual-ip 172.16.0.62

[SW2-Vlanif2]int v 3

[SW2-Vlanif3]vrrp vrid 2 virtual-ip 172.16.0.126

[SW2-Vlanif3]vrrp vrid 2 priority 120

[SW2-Vlanif3]vrrp vrid 2 track interface Vlanif 20 reduced 30

[SW1]dis vrrp brief

做DHCP：

[SW1]dhcp enable

[SW1]ip pool aa

[SW1-ip-pool-aa]network 172.16.0.0 mask 26

[SW1-ip-pool-aa]gateway-list 172.16.0.62

[SW1-ip-pool-aa]dns-list 8.8.8.8

[SW1]int vl  2

[SW1-Vlanif2]dhcp select global

[SW2]dhcp enable

[SW2]ip pool aa

[SW2-ip-pool-aa]network 172.16.0.0 mask 26

[SW2-ip-pool-aa]gateway-list 172.16.0.62

[SW2-ip-pool-aa]dns-list 8.8.8.8

[SW2-ip-pool-aa]int v 2

[SW2-Vlanif2]dhcp select global

[SW1]ip pool bb

[SW1-ip-pool-bb]netw 172.16.0.64 mask 26

[SW1-ip-pool-bb]gateway-list 172.16.0.126

[SW1-ip-pool-bb]dns-list 8.8.8.8

[SW1]int v 3

[SW1-Vlanif3]dhcp select global

[SW2]ip pool bb

[SW2-ip-pool-bb]netw 172.16.0.64 mask 26

[SW2-ip-pool-bb]gateway-list 172.16.0

[SW2-ip-pool-bb]dns-list 8.8.8.8

[SW2-ip-pool-bb]int v 3

[SW2-Vlanif3]dhcp select global

检验pc是否获得地址：

配置路由协议：

R1:

[R1]ospf 1 r        

[R1]ospf 1 router-id 1.1.1.1

[R1-ospf-1]a 0

[R1-ospf-1-area-0.0.0.0]ne 172.16.0.128 0.0.0.63

[R1-ospf-1-area-0.0.0.0]ne 172.16.0.192 0.0.0.63

SW1：

[SW1]ospf 1 r        

[SW1]ospf 1 router-id 2.2.2.2

[SW1-ospf-1]a 0

[SW1-ospf-1-area-0.0.0.0]ne 172.16.0.128 0.0.0.63

[SW1-ospf-1-area-0.0.0.0]ne 172.16.0.0 0.0.0.63

[SW1-ospf-1-area-0.0.0.0]ne 172.16.0.64 0.0.0.63

SW2：

[SW2]ospf 1 router-id 3.3.3.3

[SW2-ospf-1]a 0

[SW2-ospf-1-area-0.0.0.0]ne 172.16.0.192 0.0.0.63

[SW2-ospf-1-area-0.0.0.0]ne 172.16.0.0 0.0.0.63

[SW2-ospf-1-area-0.0.0.0]ne 172.16.0.64  0.0.0.63

[SW2-ospf-1]dis ospf peer brief

内外网通信：

在企业的内外网出口做一条静态路由：[R1]ip route-static 0.0.0.0 12.0.0.2

[R1-acl-basic-2000]rule permit source 172.16.0.0 0.0.0.255

[R1]int g 0/0/0

[R1-GigabitEthernet0/0/0]nat outbound 2000

[R1-ospf-1]default-route-advertise--下发一条默认缺省

在SW1上：

测试：