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VM virtual machine configuration dynamic IP and static IP access

2022-07-01 12:49:00 【51CTO】

VM Virtual machine configuration is dynamic ip And static ip visit

dynamic ip To configure
🥭 static state ip To configure
Set domain name resolution

dynamic ip static state ip Configure the network adapters to NAT Pattern
VM Virtual machine configuration is dynamic ip And static ip visit _ static state ip

dynamic ip To configure

This is simpler .
Set up /etc/sysconfig/network-scripts/ A file in a directory ifcfg-ens33
The configuration file is as follows

TYPE=Ethernet
PROXY_METHOD=none
BROWSER_ONLY=no
# This parameter is mainly set （ dynamic ip）
BOOTPROTO=dhcp
DEFROUTE=yes
IPV4_FAILURE_FATAL=no
IPV6INIT=yes
IPV6_AUTOCONF=yes
IPV6_DEFROUTE=yes
IPV6_FAILURE_FATAL=no
IPV6_ADDR_GEN_MODE=stable-privacy
NAME=ens33
UUID=b5b31e0a-6326-4130-b7a3-8621377a9817
DEVICE=ens33
# Network card switch （yes Indicates that the network card is started when the system is activated ）
ONBOOT=yes

     
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then Virtual Network Editor Lower setup NAT Network check this item to use dynamic IP 了
VM Virtual machine configuration is dynamic ip And static ip visit _ Subnet mask _02
Set dynamic ip Range ：

🥭 static state ip To configure

View our PC Default gateway of wireless network （ View by ： Set up -》 View network properties ） How much is the , The virtual machine IP And gateway settings must be consistent with PC Wireless network gateway can realize communication in the same network segment
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In practical use, static IP, If the DHCP To automatically get IP Words As long as the network is disconnected WM Will regain the current IP Next IP, So it must be changed to static to prevent this embarrassing situation 0.0
static state ip The configuration file ifcfg-ens33 as follows

# Network type 
TYPE=Ethernet
PROXY_METHOD=none
BROWSER_ONLY=no
#IP Configuration mode （ Don't specify ：none, static state ：static, dynamic ：dhcp）
BOOTPROTO=static
# Start default route 
DEFROUTE=yes
# Is not enabled IPV4 Error detection function 
IPV4_FAILURE_FATAL=no
# start-up IPV6 agreement 
IPV6INIT=yes
# Automatic configuration IPV6 Address 
IPV6_AUTOCONF=yes
# Start default route 
IPV6_DEFROUTE=yes
# Is not enabled IPV6 Error detection function 
IPV6_FAILURE_FATAL=no
#IPV6 Address generation strategy 
IPV6_ADDR_GEN_MODE=stable-privacy
# Physical device name of network card 
NAME=ens33
# Uniqueness id
UUID=b5b31e0a-6326-4130-b7a3-8621377a9817
# Network card device name , To be and NAME Agreement 
DEVICE=ens33
# Start up or not , If you want to start or ‘systemctl restart network’  The control network card must be set to yes
ONBOOT=yes
DNS1=114.114.114.114
IPADDR=192.168.2.132
# Subnet mask 
NETMASK=255.255.255.0
# gateway 
GATEWAY=192.168.2.1

     
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Follow the dynamic ip The difference is that
BOOTPROTO=static It's static IP The way ,
DNS1 Set to 114.114.114.114 Universal DNS
IPADDR static state ip Address
NETMASK Subnet mask
GATEWAY gateway
Be careful ip Set it to be in the same section as the gateway and subnet , At the same time, the subnet mask configuration file should also be consistent with the configuration .
VM Virtual machine configuration is dynamic ip And static ip visit _ Subnet mask _05
If the gateway is set as the host, it is still ping No access to external network and host , Set the last bit of the gateway to .2, Such as ：192.168.2.2

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then Virtual Network Editor Lower setup NAT Network remember Don't check
VM Virtual machine configuration is dynamic ip And static ip visit _d3_07

Remember to restart the network card configuration after configuration
systemctl restart network.service

Set domain name resolution

Set static ip, Access to the Internet , But to perform ping www.baidu.com no , At this time, you need to configure domain name resolution
vi /etc/resolv.conf
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