最近考试、测试的特别多，今天跟大家分享个以最少的设备数量，搭建一个多协议的网络
需求如下：
1、路由器、交换机基本配置方法
2、静态路由技术
3、虚拟局域网技术
4、链路聚合技术
5、三层交换技术
6、DHCP技术
7、动态路由技术RIP或OSPF
8、ACL访问控制列表技术
一般来说看到这些需求第一反应就是小型企业网络，这里还缺了个nat的需求，但是没有给出
拓扑图如下：
配置思路
二层
二层中需要的技术就是stp、vlan，那么stp可以扩展到mstp，vlan无非就是接口状态，acc和trunk，还可以开启边缘端口，汇聚/核心交换机之间配置链路聚合
三层
三层网关利用vrrp主备优先级和mstp的多实例进行呼应，动态路由选择ospf
出口设备配置静态路由，acl，ospf下发缺省路由
这么一来协议加起来差不多7-8种，所以基本可以满足老师的任何需求，以上所说的都是常见需求和技术，如果老师稍微专业，可能会提出一些偏特性的知识，或是中高级的知识，那么关注我，我会持续更新内容哦
配置如下
接入交换机配置（sw3、sw4）
sw3交换机配置
sysname LSW3
vlan batch 10 20
stp region-configuration
region-name huawei
instance 1 vlan 10 20
instance 2 vlan 30 40
active region-configuration
interface Ethernet0/0/2
port link-type trunk
port trunk allow-pass vlan 10 20
interface Ethernet0/0/3
port link-type trunk
port trunk allow-pass vlan 30 40
interface Ethernet0/0/11
port link-type access
port default vlan 10
stp edged-port enable
interface Ethernet0/0/12
port link-type access
port default vlan 20
stp edged-port enable
sw4交换机配置
sysname LSW4
vlan batch 30 40
stp region-configuration
region-name huawei
instance 1 vlan 10 20
instance 2 vlan 30 40
active region-configuration
interface Ethernet0/0/2
port link-type trunk
port trunk allow-pass vlan 30 40
interface Ethernet0/0/3
port link-type trunk
port trunk allow-pass vlan 30 40
interface Ethernet0/0/11
port link-type access
port default vlan 30
stp edged-port enable
interface Ethernet0/0/12
port link-type access
port default vlan 40
stp edged-port enable
sw1交换机配置
sysname LSW1
二层配置
vlan batch 10 20 30 40 100
stp instance 1 root primary
stp instance 2 root secondary
stp region-configuration
region-name huawei
instance 1 vlan 10 20
instance 2 vlan 30 40
active region-configuration
interface Eth-Trunk1
port link-type trunk
port trunk allow-pass vlan 10 20 30 40
interface GigabitEthernet0/0/1
port link-type access
port default vlan 100
interface GigabitEthernet0/0/2
port link-type trunk
port trunk allow-pass vlan 10 20
interface GigabitEthernet0/0/3
port link-type trunk
port trunk allow-pass vlan 30 40
interface GigabitEthernet0/0/11
eth-trunk 1
interface GigabitEthernet0/0/12
eth-trunk 1
dhcp配置
dhcp enable
ip pool vlan10
gateway-list 192.168.1.254
network 192.168.1.0 mask 255.255.255.0
ip pool vlan20
gateway-list 192.168.2.254
network 192.168.2.0 mask 255.255.255.0
ip pool vlan30
gateway-list 192.168.3.254
network 192.168.3.0 mask 255.255.255.0
ip pool vlan40
gateway-list 192.168.4.254
network 192.168.4.0 mask 255.255.255.0
三层网关及vrrp配置
interface Vlanif10
ip address 192.168.1.252 255.255.255.0
vrrp vrid 10 virtual-ip 192.168.1.254
vrrp vrid 10 priority 120
dhcp select global
interface Vlanif20
ip address 192.168.2.252 255.255.255.0
vrrp vrid 20 virtual-ip 192.168.2.254
vrrp vrid 20 priority 120
dhcp select global
interface Vlanif30
ip address 192.168.3.252 255.255.255.0
vrrp vrid 30 virtual-ip 192.168.3.254
dhcp select global
interface Vlanif40
ip address 192.168.4.252 255.255.255.0
vrrp vrid 40 virtual-ip 192.168.4.254
dhcp select global
interface Vlanif100
ip address 192.168.100.2 255.255.255.252
三层路由配置
ospf 1 router-id 1.1.1.1
area 0.0.0.0
network 192.168.1.0 0.0.0.255
network 192.168.2.0 0.0.0.255
network 192.168.3.0 0.0.0.255
network 192.168.4.0 0.0.0.255
network 192.168.100.0 0.0.0.255
sw2交换机配置
sysname LSW2
二层vlan配置
vlan batch 10 20 30 40 100
stp instance 1 root secondary
stp instance 2 root primary
stp region-configuration
region-name huawei
instance 1 vlan 10 20
instance 2 vlan 30 40
active region-configuration
interface Eth-Trunk1
port link-type trunk
port trunk allow-pass vlan 10 20 30 40
interface GigabitEthernet0/0/1
port link-type access
port default vlan 100
interface GigabitEthernet0/0/2
port link-type trunk
port trunk allow-pass vlan 10 20
interface GigabitEthernet0/0/3
port link-type trunk
port trunk allow-pass vlan 30 40
interface GigabitEthernet0/0/11
eth-trunk 1
interface GigabitEthernet0/0/12
eth-trunk 1
地址池配置
dhcp enable
ip pool vlan10
gateway-list 192.168.1.254
network 192.168.1.0 mask 255.255.255.0
ip pool vlan20
gateway-list 192.168.2.254
network 192.168.2.0 mask 255.255.255.0
ip pool vlan30
gateway-list 192.168.3.254
network 192.168.3.0 mask 255.255.255.0
ip pool vlan40
gateway-list 192.168.4.254
network 192.168.4.0 mask 255.255.255.0
三层网关及vrrp配置
interface Vlanif10
ip address 192.168.1.253 255.255.255.0
vrrp vrid 10 virtual-ip 192.168.1.254
dhcp select global
interface Vlanif20
ip address 192.168.2.253 255.255.255.0
vrrp vrid 20 virtual-ip 192.168.2.254
dhcp select global
interface Vlanif30
ip address 192.168.3.253 255.255.255.0
vrrp vrid 30 virtual-ip 192.168.3.254
vrrp vrid 30 priority 120
dhcp select global
interface Vlanif40
ip address 192.168.4.253 255.255.255.0
vrrp vrid 40 virtual-ip 192.168.4.254
vrrp vrid 40 priority 120
dhcp select global
interface Vlanif100
ip address 192.168.101.2 255.255.255.252
路由配置
ospf 1 router-id 1.1.1.2
area 0.0.0.0
network 192.168.1.0 0.0.0.255
network 192.168.2.0 0.0.0.255
network 192.168.3.0 0.0.0.255
network 192.168.4.0 0.0.0.255
network 192.168.101.0 0.0.0.255
sysname AR1
acl number 2000
rule 5 permit source 192.168.1.0 0.0.0.255
rule 10 permit source 192.168.2.0 0.0.0.255
rule 15 permit source 192.168.3.0 0.0.0.255
rule 20 permit source 192.168.4.0 0.0.0.255
interface GigabitEthernet0/0/0
ip address 100.1.1.1 255.255.255.252
nat outbound 2000
interface GigabitEthernet0/0/1
ip address 192.168.100.1 255.255.255.252
interface GigabitEthernet0/0/2
ip address 192.168.101.1 255.255.255.252
ospf 1 router-id 1.1.1.3
default-route-advertise
area 0.0.0.0
network 192.168.100.0 0.0.0.255
network 192.168.101.0 0.0.0.255
ip route-static 0.0.0.0 0.0.0.0 100.1.1.2
以上配置可直接复制到设备中，最后测试结果即可
MSTP验证
链路聚合验证
vrrp验证
dhcp验证
ospf验证
nat验证
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