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网络：192.168.48.0
掩码：255.255.255.0
网关：192.168.48.1
查看网络
- ip addr
- 1: lo: <LOOPBACK,UP,LOWER_UP> mtu 65536 qdisc noqueue state UNKNOWN group default qlen 1000
- inet 127.0.0.1/8 scope host lo
- valid_lft forever preferred_lft forever
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- 2: enp4s0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc mq state UP group default qlen 1000
- inet 192.168.58.236/26 brd 195.201.58.255 scope global enp4s0
- valid_lft forever preferred_lft forever
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创建网桥
添加到 /etc/network/interfaces
其中 enp4s0 来自上一个命令的输出 2: enp4s0: <BROADCAST,MULTICAST
- auto vmbr1
- iface vmbr1 inet static
- address 192.168.48.1
- netmask 255.255.255.0
- bridge_ports none
- bridge_stp off
- bridge_fd 0
- post-up echo 1 > /proc/sys/net/ipv4/ip_forward
- post-up iptables -t nat -A POSTROUTING -s‘192.168.48.0/24’-o enp4s0 -j MASQUERADE
- post-down iptables -t nat -D POSTROUTING -s‘192.168.48.0/24’-o enp4s0 -j MASQUERADE
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启动网桥
- ifup vmr1
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- Waiting for vmbr1 to get ready (MAXWAIT is 2 seconds).
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- ip address show dev vmbr1
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- 3: vmbr1: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc noqueue state UNKNOWN group default qlen 1000
- link/ether 16:cf:7e:23:de:1e brd ff:ff:ff:ff:ff:ff
- inet 192.168.48.1/24 brd 192.168.50.255 scope global vmbr1
- valid_lft forever preferred_lft forever
- inet6 fe80::14cf:7eff:fe23:de1e/64 scope link
- valid_lft forever preferred_lft forever
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重启网络服务
- systemctl restart networking
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网友回复：
注册 ： https://wiki.debian.org/DHCP_Server 安装 DHCP 服务器 apt update apt install isc-dhcp-server 复制代码 编辑 /etc/default/isc-dhcp-server INTERFACESv4=”vmbr1″ 复制代码 编辑 /etc/dhcp/dhcpd.conf option domain-name-servers 8.8.8.8, 8.8.4.4; default-lease-time 600; max-lease-time 7200; subnet 192.168.48.0 netmask 255.255.255.0 {range 192.168.48.100 192.168.48.199; option subnet-mask 255.255.255.0; option routers 192.168.48.1; option broadcast-address 192.168.48.255;} host host2 {hardware ethernet 00:00:00:00:00:02; fixed-address 192.168.48.2; infinite-is-reserved on;} host host3 {hardware ethernet 00:00:00:00:00:03; fixed-address 192.168.48.3; infinite-is-reserved on;} authoritative; 复制代码 启动 DHCP 服务器 systemctl start isc-dhcp-server 复制代码 查看 DHCP 服务状态 systemctl status isc-dhcp-server 复制代码
zxxx： apt-get install isc-dhcp-server
zxxx： hostloc 记事本
sdqu： 请教大佬，小鸡可以使用 DHCP 自动获取 IP 吗？
ecs： 有啥好处？
zxxx： 开小鸡用
557： 没试过但想问：
zxxx： 不知道，等个大佬说一说
