Macbook本身的配置【系统偏好设置】-【网络】- 选中【Wi-Fi】项（如果您是WIFI上网请选择此项）- 点右侧【高级】
选择【TCP/IP】选项卡，记录好【子网掩码】、【路由器】地址、DNS选项卡下的DNS服务器地址（如果DNS服务器地址没有配置，也可以给配置个8.8.8.8或者114.114.114.114）
比如：
路由器地址：192.168.0.1
子网掩码：255.255.255.0
DNS：114.114.114.114 （如果mac本上为空，也可以配置为8.8.8.8或者114.114.114.114）
TYPE="Ethernet"
PROXY_METHOD="none"
BROWSER_ONLY="no"
BOOTPROTO="static" # 使用静态IP地址，默认为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="10da992c-7c2e-454d-a12d-a0b5fd95bd78"
DEVICE="ens33"
ONBOOT="yes" #是否开机启用
DNS1="192.168.5.1" # DNS服务器
DNS2="192.168.0.1" # DNS服务器
IPADDR="192.168.0.100" # 设置的静态IP地址
NETMASK="255.255.255.0" # 子网掩码
PREFIX=24
GATEWAY="172.16.57.2" # 网关地址
IPV6_PEERDNS=yes
IPV6_PEERROUTES=yes
IPV6_PRIVACY=no
Linux查询子网掩码网关DNS
原文：https://blog.csdn.net/Zha_PenFee/article/details/51224372
##查询IP和子网掩码
[root@pfzhang3 ~]# ifconfig -a
eth0 Link encap:Ethernet HWaddr 00:0C:29:33:2B:D8
inet addr:192.168.0.102 Bcast:192.168.0.255 Mask:255.255.255.0
inet6 addr: fe80::20c:29ff:fe33:2bd8/64 Scope:Link
UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
RX packets:335 errors:0 dropped:0 overruns:0 frame:0
TX packets:130 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:1000
RX bytes:45418 (44.3 KiB) TX bytes:15915 (15.5 KiB)
lo Link encap:Local Loopback
inet addr:127.0.0.1 Mask:255.0.0.0
inet6 addr: ::1/128 Scope:Host
UP LOOPBACK RUNNING MTU:16436 Metric:1
RX packets:36 errors:0 dropped:0 overruns:0 frame:0
TX packets:36 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:0
RX bytes:2448 (2.3 KiB) TX bytes:2448 (2.3 KiB)
pan0 Link encap:Ethernet HWaddr 1A:36:CD:39:B5:A1
BROADCAST MULTICAST MTU:1500 Metric:1
RX packets:0 errors:0 dropped:0 overruns:0 frame:0
TX packets:0 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:0
RX bytes:0 (0.0 b) TX bytes:0 (0.0 b)
##查询默认网关
[root@pfzhang3 ~]# netstat -rn
Kernel IP routing table
Destination Gateway Genmask Flags MSS Window irtt Iface
192.168.0.0 0.0.0.0 255.255.255.0 U 0 0 0 eth0
0.0.0.0 192.168.0.1 0.0.0.0 UG 0 0 0 eth0
[root@pfzhang3 ~]# route -n
Kernel IP routing table
Destination Gateway Genmask Flags Metric Ref Use Iface
192.168.0.0 0.0.0.0 255.255.255.0 U 1 0 0 eth0
0.0.0.0 192.168.0.1 0.0.0.0 UG 0 0 0 eth0
##查询DNS
[root@pfzhang3 ~]# cat /etc/resolv.conf
# Generated by NetworkManager
nameserver 61.132.163.68
nameserver 202.102.213.68
##配置网卡参数
[root@pfzhang3 ~]# cat /etc/sysconfig/network-scripts/ifcfg-eth0
DEVICE=eth0
HWADDR=00:0C:29:33:2B:D8
TYPE=Ethernet
UUID=a4a40b33-4da4-4cfd-aaa0-2cd60bb2329c
ONBOOT=yes
NM_CONTROLLED=yes
BOOTPROTO=static
IPADDR=192.168.0.102
NETMASK=255.255.255.0
GATEWAY=192.168.0.1
DNS1=61.132.163.68
DNS2=202.102.213.68
##重启网卡服务
[root@pfzhang3 ~]# service network restart
Shutting down interface eth0: Device state: 3 (disconnected)
[ OK ]
Shutting down loopback interface: [ OK ]
Bringing up loopback interface: [ OK ]
Bringing up interface eth0: Active connection state: activated
Active connection path: /org/freedesktop/NetworkManager/ActiveConnection/2
[ OK ]
vm网络为NAT模式设置
转：https://blog.csdn.net/qq_39597203/article/details/80556608