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內網3750交換機配置：

vlan 192 192.168.101.0/24 端口： 1--8
vlan 10 10.10.10.0/24 端口： 9--16
vlan 172 172.16.172.2/29 端口： 17--19
vlan 200 192.168.1.0/24 端口： 20--21

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cisco配置過程：

配置vlan：
enable
config t
vlan 192
int vlan 192
ip address 192.168.101.1 255.255.255.0
no shutdown
end

enable
config t
vlan 10
int vlan 10
ip address 10.10.10.1 255.255.255.0
no shutdown
end

enable
config t
vlan 172
int vlan 172
ip address 172.16.172.2 255.255.255.248
no shutdown
end

enable
config t
vlan 200
int vlan 200
ip address 192.168.1.1 255.255.255.0
no shutdown
end

設置端口全局參數：
interface range gigabitethernet1/0/1 - 24
switchport mode access
spanning-tree portfast

端口劃入vlan：
interface range gigabitethernet1/0/1 - 8
switchport access vlan 192

interface range gigabitethernet1/0/9 - 16
switchport access vlan 10

interface range gigabitethernet1/0/17 - 19
switchport access vlan 172

interface range gigabitethernet1/0/20 - 21
switchport access vlan 200

配置dhcp,dns：
ip dhcp pool 192
network 192.168.101.0 255.255.255.0
dns-server 223.5.5.5 114.114.114.114
default-router 192.168.101.1

"""
更改dns：
ip dhcp pool 192
dns-server 192.168.101.2 223.5.5.5 114.114.114.114 202.96.128.86
write

lease {days [hours][minutes] | infinite}
"""

ip dhcp pool 10
network 10.10.10.0 255.255.255.0
dns-server 223.5.5.5 114.114.114.114
default-router 10.10.10.1

ip dhcp pool 172
network 172.16.172.0 255.255.255.248
dns-server 223.5.5.5 114.114.114.114
default-router 172.16.172.2

ip dhcp pool 200
network 192.168.1.0 255.255.255.0
dns-server 223.5.5.5 114.114.114.114
default-router 192.168.1.1

設置dhcp不分配地址：
ip dhcp excluded-address 192.168.101.1 192.168.101.100
ip dhcp excluded-address 10.10.10.10.100 10.10.10.254
ip dhcp excluded-address 172.16.172.1 172.16.172.100
ip dhcp excluded-address 192.168.1.1 192.168.1.100

靜態路由：
ip routing
ip route 0.0.0.0 0.0.0.0 172.16.172.1

保存配置：
write

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轉載于:https://www.cnblogs.com/fanxuanhui-linux/p/6242191.html

與50位技術專家面對面20年技術見證，附贈技術全景圖

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