Linux学习之修改网络属性命令的基本使用-白红宇的个人博客

Linux学习之修改网络属性命令的基本使用

发布日期：2021-08-31 03:56:19 浏览次数：13 分类：技术文章

本文共 15831 字，大约阅读时间需要 52 分钟。

一、使用ifcfg家族的命令来配置网络属性

1、ifconfig:实现网络信息显示和配置的

用法：ifconfig [interface]

-a:全部显示

IFACE：指定设备

ifconfig interface [aftype] options | address ...

配置主机的IP地址

[root@deanzhu ~]# ifconfig eno16777736 查看eno16777736这块网卡的信息

eno16777736: flags=4163<UP,BROADCAST,RUNNING,MULTICAST> mtu 1500

inet 192.168.0.17 netmask 255.255.255.0 broadcast 192.168.0.255

inet6 fe80::20c:29ff:fe90:1538 prefixlen 64 scopeid 0x20<link>

ether 00:0c:29:90:15:38 txqueuelen 1000 (Ethernet)

RX packets 4038 bytes 362015 (353.5 KiB)

RX errors 0 dropped 0 overruns 0 frame 0

TX packets 876 bytes 107559 (105.0 KiB)

TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0

[root@deanzhu ~]# ifconfig eno16777736 192.168.0.101/24 使用ifconfig命令修改这块网卡的IP地址

[root@deanzhu ~]# ifconfig eno16777736

eno16777736: flags=4163<UP,BROADCAST,RUNNING,MULTICAST> mtu 1500

inet 192.168.0.101 netmask 255.255.255.0 broadcast 192.168.0.255

inet6 fe80::20c:29ff:fe90:1538 prefixlen 64 scopeid 0x20<link>

ether 00:0c:29:90:15:38 txqueuelen 1000 (Ethernet)

RX packets 4118 bytes 369387 (360.7 KiB)

RX errors 0 dropped 0 overruns 0 frame 0

TX packets 921 bytes 112927 (110.2 KiB)

TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0

注意配置的IP地址是立即生效的但不会永久有效，机器重启后就会失效

ifconfig IFACE [up|down]：

启用或者是禁用网卡：

2、route命令：配置路由信息

-n:路由查看

[root@localhost ~]# route -n #查看主机上的所有路由

Kernel IP routing table

Destination Gateway Genmask Flags Metric Ref Use Iface

169.254.0.0 0.0.0.0 255.255.0.0 U 1002 0 0 eth0

172.16.0.0 0.0.0.0 255.255.0.0 U 0 0 0 eth0

0.0.0.0 172.16.0.1 0.0.0.0 UG 0 0 0 eth0

add:添加

route add [-net|-host] target [netmask Nm] [gw Gw][[dev] If]

添加主机路由如：

我们要访问192.168.1.3这台主机，需要经过172.16.0.1这台主机如下：

[root@localhost ~]# route add -host 192.168.1.3 gw 172.16.0.1 dev eth0

[root@localhost ~]# route -n

Kernel IP routing table

Destination Gateway Genmask Flags Metric Ref Use Iface

192.168.1.3 172.16.0.1 255.255.255.255 UGH 0 0 0 eth0

169.254.0.0 0.0.0.0 255.255.0.0 U 1002 0 0 eth0

172.16.0.0 0.0.0.0 255.255.0.0 U 0 0 0 eth0

0.0.0.0 172.16.0.1 0.0.0.0 UG 0 0 0 eth0

添加网络路由如：

我们要访问192.168.0.0这个网络，需要经过172.16.0.1这个网络

[root@deanzhu ~]# route add -net 192.168.0.0 netmask 255.255.255.0 gw 172.16.0.1 dev eth0

[root@deanzhu ~]# route -n

Kernel IP routing table

Destination Gateway Genmask Flags Metric Ref Use Iface

192.168.0.0 172.16.0.1 255.255.255.0 UG 0 0 0 eth0

169.254.0.0 0.0.0.0 255.255.0.0 U 1002 0 0 eth0

172.16.0.0 0.0.0.0 255.255.0.0 U 0 0 0 eth0

设置默认路由,网关为172.16.0.1，如：

[root@deanzhu ~]# route add -net 0.0.0.0 netmask 0.0.0.0 gw 172.16.0.1

[root@deanzhu ~]# route -n

Kernel IP routing table

Destination Gateway Genmask Flags Metric Ref Use Iface

192.168.0.0 172.16.0.1 255.255.255.0 UG 0 0 0 eth0

169.254.0.0 0.0.0.0 255.255.0.0 U 1002 0 0 eth0

172.16.0.0 0.0.0.0 255.255.0.0 U 0 0 0 eth0

0.0.0.0 172.16.0.1 0.0.0.0 UG 0 0 0 eth0

删除路由:route del

用法：route del [-net|-host] target [gw Gw] [netmask Nm] [[dev] If] 如：

[root@deanzhu ~]# route del -host 192.168.1.3 #删除主机路由，

[root@deanzhu ~]# route del -net 172.16.0.0 netmask 255.255.0.0 #删除网络路由

[root@deanzhu ~]# route -n #查看路由信息，之前添加的路由就没了

Kernel IP routing table

Destination Gateway Genmask Flags Metric Ref Use Iface

192.168.0.0 172.16.0.1 255.255.255.0 UG 0 0 0 eth0

169.254.0.0 0.0.0.0 255.255.0.0 U 1002 0 0 eth0

0.0.0.0 172.16.0.1 0.0.0.0 UG 0 0 0 eth0

3、DNS服务器指定

编辑配置文件在：/etc/resolv.conf

可以指定三个DNS服务器

nameserver DNS_SERVER_IP1

nameserver DNS_SERVER_IP2

nameserver DNS_SERVER_IP3

[root@deanzhu ~]# cat /etc/resolv.conf #这是我虚拟机中的DNS服务器地址

# Generated by NetworkManager

domain magelinux.com

search magelinux.com

nameserver 172.16.0.1

4、netstat：网络状态查看

-t: tcp协议相关

-u: udp协议相关

-w: raw socket相关

-l: 处于监听状态

-a: 所有状态

-n: 以数字显示IP和端口；

-e：扩展格式

-p: 显示相关进程及PID

他们常组合在一起使用：如

-tan, -uan, -tnl, -unl

[root@deanzhu ~]# netstat –tan #显示所有tcp和udp相关的信息

Active Internet connections (servers and established)

Proto Recv-Q Send-Q Local Address Foreign Address State

tcp 0 0 192.168.122.1:53 0.0.0.0:* LISTEN

tcp 0 0 0.0.0.0:22 0.0.0.0:* LISTEN

tcp 0 0 127.0.0.1:25 0.0.0.0:* LISTEN

tcp 0 0 127.0.0.1:6010 0.0.0.0:* LISTEN

tcp 0 0 127.0.0.1:6011 0.0.0.0:* LISTEN

tcp 0 52 192.168.0.17:22 192.168.0.23:52429 ESTABLISHED

tcp 0 0 192.168.0.17:22 192.168.0.23:52430 ESTABLISHED

tcp6 0 0 :::22 :::* LISTEN

tcp6 0 0 ::1:25 :::* LISTEN

tcp6 0 0 ::1:6010 :::* LISTEN

tcp6 0 0 ::1:6011 :::* LISTEN

显示路由表：netstat {--route|-r} [--numeric|-n]

-r: 显示内核路由表

-n: 数字格式

如：

[root@deanzhu ~]# netstat -rn

Kernel IP routing table

Destination Gateway Genmask Flags MSS Window irtt Iface

0.0.0.0 192.168.0.1 0.0.0.0 UG 0 0 0 eno16777736

192.168.0.0 0.0.0.0 255.255.255.0 U 0 0 0 eno16777736

192.168.122.0 0.0.0.0 255.255.255.0 U 0 0 0 virbr0

显示接口统计数据

-i:显示全部接口

-IIFACE：显示指定的接口（注：-I后面不需要加空格，直接加上所要显示的网卡就可以了）

如：

[root@deanzhu ~]# netstat -Ieth0

Kernel Interface table

Iface MTU Met RX-OK RX-ERR RX-DRP RX-OVR TX-OK TX-ERR TX-DRP TX-OVR Flg

eth0 1500 0 2897 0 0 0 1732 0 0 0 BMRU

[root@deanzhu ~]# netstat -i

Kernel Interface table

Iface MTU Met RX-OK RX-ERR RX-DRP RX-OVR TX-OK TX-ERR TX-DRP TX-OVR Flg

eth0 1500 0 2912 0 0 0 1741 0 0 0 BMRU

lo 65536 0 0 0 0 0 0 0 0 0 LRU

二、使用ip家族的命令来配置网络属性

用法：ip [ OPTIONS ] OBJECT { COMMAND | help }

用来配置或者显示路由

link OBJECT:实现网络配置的

link的子命令

set:设置网络接口属性

[root@localhost ~]# ip link set dev eno16777736 up #开启eno16777736网卡

[root@localhost ~]# ip link show

1: lo: <LOOPBACK,UP,LOWER_UP> mtu 65536 qdisc noqueue state UNKNOWN mode DEFAULT

link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00

2: eno16777736: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc pfifo_fast state UP mode DEFAULT qlen 1000 #这边查看的是up 已经开启

link/ether 00:0c:29:90:15:38 brd ff:ff:ff:ff:ff:ff

3: eno33554984: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc pfifo_fast state UP mode DEFAULT qlen 1000

link/ether 00:0c:29:90:15:42 brd ff:ff:ff:ff:ff:ff

4: virbr0: <NO-CARRIER,BROADCAST,MULTICAST,UP> mtu 1500 qdisc noqueue state DOWN mode DEFAULT

link/ether 52:54:00:e8:5f:f6 brd ff:ff:ff:ff:ff:ff

5: virbr0-nic: <BROADCAST,MULTICAST> mtu 1500 qdisc pfifo_fast master virbr0 state DOWN mode DEFAULT qlen 500

link/ether 52:54:00:e8:5f:f6 brd ff:ff:ff:ff:ff:ff

show:显示物理接口的信息

如：

[root@localhost ~]# ip link show #show现在配置信息

1: lo: <LOOPBACK,UP,LOWER_UP> mtu 65536 qdisc noqueue state UNKNOWN

link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00

2: eth0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc pfifo_fast state UP qlen 1000

link/ether 00:0c:29:d3:39:b1 brd ff:ff:ff:ff:ff:ff

ip addr :

add 添加网络，注：添加网络原网络并不会消失

[root@localhost ~]# ip addr add 172.16.249.22/16 dev eth0

[root@localhost ~]# ip addr show dev eth0

2: eth0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc pfifo_fast state UP qlen 1000

link/ether 00:0c:29:d3:39:b1 brd ff:ff:ff:ff:ff:ff

inet 172.16.249.61/16 brd 172.16.255.255 scope global eth0

inet 172.16.249.22/16 scope global secondary eth0

inet6 fe80::20c:29ff:fed3:39b1/64 scope link

valid_lft forever preferred_lft forever

del 删除网络：

[root@localhost ~]# ip addr del 172.16.249.22/16 dev eth0

[root@localhost ~]# ip addr show dev eth0

2: eth0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc pfifo_fast state UP qlen 1000

link/ether 00:0c:29:d3:39:b1 brd ff:ff:ff:ff:ff:ff

inet 172.16.249.61/16 brd 172.16.255.255 scope global eth0

inet6 fe80::20c:29ff:fed3:39b1/64 scope link

valid_lft forever preferred_lft forever

broadcast ADDRESS:指明广播地址

show :显示所有接口信息

[root@deanzhu ~]# ip addr show

1: lo: <LOOPBACK,UP,LOWER_UP> mtu 65536 qdisc noqueue state UNKNOWN

link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00

inet 127.0.0.1/8 scope host lo

inet6 ::1/128 scope host

valid_lft forever preferred_lft forever

2: eth0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc pfifo_fast state UP qlen 1000

link/ether 00:0c:29:1e:91:29 brd ff:ff:ff:ff:ff:ff

inet 172.16.249.186/16 brd 172.16.255.255 scope global eth0

inet6 fe80::20c:29ff:fe1e:9129/64 scope link

valid_lft forever preferred_lft forever

ip addr flush ：清空地址

label:可以指定备注名

ip route:管理路由

添加路由用法：ip route add TARGET via GW dev IFACE

[root@localhost ~]# ip route add 192.168.1.3 via 172.16.0.1 dev eth0 #到达192.168.1.3经过路由172.16.0.1

[root@localhost ~]# ip route show #查看我们添加的信息

192.168.1.3 via 172.16.0.1 dev eth0

169.254.0.0/16 dev eth0 scope link metric 1002

172.16.0.0/16 dev eth0 proto kernel scope link src 172.16.249.61

default via 172.16.0.1 dev eth0 proto static

添加网关：ip route add default via GW dev IFACE

[root@deanzhu ~]# ip route add default via 172.16.0.1 #添加默认网关

kernel scope link src 192.168.122.1

[root@deanzhu ~]# route -n

Kernel IP routing table

Destination Gateway Genmask Flags Metric Ref Use Iface

0.0.0.0 172.16.0.1 0.0.0.0 UG 100 0 0 eno16777736

172.16.0.0 0.0.0.0 255.255.0.0 U 100 0 0 eno16777736

192.168.122.0 0.0.0.0 255.255.255.0 U 0 0 0 virbr0

del:删除路由

删除路由用法：ip route del TARGET

[root@localhost ~]# ip route del 192.168.1.3 via 172.16.0.1 dev eth0

[root@localhost ~]# ip route show

169.254.0.0/16 dev eth0 scope link metric 1002

172.16.0.0/16 dev eth0 proto kernel scope link src 172.16.249.61

default via 172.16.0.1 dev eth0 proto static

show 显示信息

flush:清空路由信息

ss命令：网络状态查看工具

用法：ss [OPTION]... [FILTER]

选项：

-t: tcp协议相关

-u: udp协议相关

-w: 裸套接字相关

-x：unix sock相关

-l: listen状态的连接

-a: 所有

-n: 数字格式

-p: 相关的程序及PID

-e: 扩展的信息

-m：内存用量

-o：计时器信息

[root@deanzhu ~]# ss -tan #显示当前所有的TCP和UDP协议

State Recv-Q Send-Q Local Address:Port Peer Address:Port

LISTEN 0 5 192.168.122.1:53 *:*

LISTEN 0 128 *:22 *:*

LISTEN 0 100 127.0.0.1:25 *:*

LISTEN 0 128 127.0.0.1:6010 *:*

LISTEN 0 128 127.0.0.1:6011 *:*

ESTAB 0 0 172.16.249.161:22 172.16.250.106:54804

ESTAB 0 0 172.16.249.161:22 172.16.250.106:49472

LISTEN 0 128 :::22 :::*

LISTEN 0 100 ::1:25 :::*

LISTEN 0 128 ::1:6010 :::*

LISTEN 0 128 ::1:6011 :::*

我们也可以知道当前处在什么状态的信息，如：

[root@deanzhu ~]# ss -tan state ESTABLISHED #只查看已ESTABLISHE的链接信息

Recv-Q Send-Q Local Address:Port Peer Address:Port

0 0 172.16.249.186:22 172.16.250.106:54938

0 0 172.16.249.186:22 172.16.250.106:49464

0 0 172.16.249.186:22 172.16.250.106:54937

那么TCP的常见状态有以下：

tcp finite state machine:

LISTEN: 监听

ESTABLISHED：已建立的连接

FIN_WAIT_1:

FIN_WAIT_2:

SYN_SENT:

SYN_RECV:

CLOSED:已关闭

三、修改配置文件来实现网络属性配置

IP、MASK、GW、DNS相关配置文件：/etc/sysconfig/network-scripts/ifcfg-IFACE

路由相关的配置文件：/etc/sysconfig/network-scripts/route-IFACE

/etc/sysconfig/network-scripts/ifcfg-IFACE：

DEVICE：此配置文件应用到的设备；

HWADDR：对应的设备的MAC地址；

BOOTPROTO：激活此设备时使用的地址配置协议，常用的dhcp, static, none, bootp；

NM_CONTROLLED：NM是NetworkManager的简写；此网卡是否接受NM控制；CentOS6建议为“no”；

ONBOOT：在系统引导时是否激活此设备；

TYPE：接口类型；常见有的Ethernet, Bridge；

UUID：设备的惟一标识；

IPADDR：指明IP地址；

NETMASK：子网掩码；

GATEWAY: 默认网关；

DNS1：第一个DNS服务器指向；

DNS2：第二个DNS服务器指向；

USERCTL：普通用户是否可控制此设备；

PEERDNS：如果BOOTPROTO的值为“dhcp”，是否允许dhcp server分配的dns服务器指向信息直接覆盖至/etc/resolv.conf文件中；

[root@deanzhu network-scripts]# vim ifcfg-eth0

[root@deanzhu network-scripts]# cat ifcfg-eth0 #这是修改后的参数

DEVICE="eth0"

BOOTPROTO="static"

IPADDR=172.16.249.186

NETMASK=255.255.0.0

GATWAY=172.16.0.1

DNS1=172.16.0.1

HWADDR="00:0C:29:1E:91:29"

NM_CONTROLLED="yes"

ONBOOT="yes"

TYPE="Ethernet"

UUID="e44c73b2-31e9-4f3e-9a34-c5448a5ede72"

设置路由信息：

/etc/sysconfig/network-scripts/route-IFACE

两种风格：

(1) TARGET via GW

(2) 每三行定义一条路由

ADDRESS#=TARGET

NETMASK#=mask

给网卡配置多地址：ip命令默认就可以配置

ifconfig

使用ifconfig命令配置

[root@localhost ~]# ifconfig eth0:0 192.168.0.11

[root@localhost ~]# ifconfig

eth0 Link encap:Ethernet HWaddr 00:0C:29:D3:39:B1

inet addr:172.16.249.61 Bcast:172.16.255.255 Mask:255.255.0.0

inet6 addr: fe80::20c:29ff:fed3:39b1/64 Scope:Link

UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1

RX packets:50711 errors:0 dropped:0 overruns:0 frame:0

TX packets:1571 errors:0 dropped:0 overruns:0 carrier:0

collisions:0 txqueuelen:1000

RX bytes:5476967 (5.2 MiB) TX bytes:180746 (176.5 KiB)

eth0:0 Link encap:Ethernet HWaddr 00:0C:29:D3:39:B1

inet addr:192.168.0.11 Bcast:192.168.0.255 Mask:255.255.255.0

UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1

四、CentOS 7地址配置工具nmcli命令的使用

用法：nmcli [ OPTIONS ] OBJECT { COMMAND | help }

查看接口对应的信息：g status

[root@deanzhu ~]# nmcli g status

状态 CONNECTIVITY WIFI-HW WIFI WWAN-HW WWAN

连接的全部已启用已启用已启用已启用

其中OBJECT有很多选择命令如：{ general | networking | radio | connection | device | agent

}

先说下decvice:管理网络接口

对于device来说还有好多子命令

status:显示当前设备的状态

show：查看某一接口信息

[root@deanzhu ~]# nmcli device status

DEVICE TYPE STATE CONNECTION

virbr0 bridge connected virbr0

eth0 ethernet connected 有线连接 1

virbr0-nic tap connected virbr0-nic

lo loopback unmanaged --

[root@deanzhu ~]# nmcli device show eth0 #显示eth0这款网卡的信息

GENERAL.DEVICE: eth0

GENERAL.TYPE: ethernet

GENERAL.HWADDR: 00:0C:29:90:15:38

GENERAL.MTU: 1500

GENERAL.STATE: 100 (connected)

GENERAL.CONNECTION: 有线连接 1

GENERAL.CON-PATH: /org/freedesktop/NetworkManager/ActiveConnection/0

WIRED-PROPERTIES.CARRIER: on

IP4.ADDRESS[1]: 192.168.0.17/24

IP4.GATEWAY: 192.168.0.1

IP4.DNS[1]: 192.168.0.1

IP6.ADDRESS[1]: fe80::20c:29ff:fe90:1538/64

IP6.GATEWAY:

[root@deanzhu ~]# localectl set-locale LANG=en_US.utf8：修改语言为英文的

connection：管理IP地址等属性信息

用法：nmcli connection modify IFACE [+|-]setting.property

增加IP地址：

[root@deanzhu ~]# nmcli connection modify eno16777736 +ipv4.addresses 172.16.249.22/16 #将eno16777736这块网卡新加一个IPV4地址172.16.249.22掩码为255.255.0.0

[root@deanzhu ~]# ip addr show eno16777736 #查看这块网卡的信息

2: eno16777736: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc pfifo_fast state UP qlen 1000

link/ether 00:0c:29:90:15:38 brd ff:ff:ff:ff:ff:ff

inet 172.16.249.161/16 brd 172.16.255.255 scope global dynamic eno16777736

valid_lft 86259sec preferred_lft 86259sec #原有地址

inet 172.16.249.22/16 brd 172.16.255.255 scope global secondary eno16777736

valid_lft forever preferred_lft forever #nmcli命令新加的地址

inet 172.16.0.22/16 scope global secondary eno16777736

valid_lft forever preferred_lft forever #ip命令加的地址

[root@deanzhu ~]# reboot #重启系统

[root@deanzhu ~]# ip addr show eno16777736 #再次查看这块网卡的信息

2: eno16777736: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc pfifo_fast state UP qlen 1000

link/ether 00:0c:29:90:15:38 brd ff:ff:ff:ff:ff:ff

inet 172.16.249.161/16 brd 172.16.255.255 scope global dynamic eno16777736

valid_lft 86313sec preferred_lft 86313sec

inet 172.16.249.22/16 brd 172.16.255.255 scope global secondary eno16777736

valid_lft forever preferred_lft forever

inet6 fe80::20c:29ff:fe90:1538/64 scope link

valid_lft forever preferred_lft forever

#其中我使用nmcli添加的IP地址不会消失，而使用ip命令添加的IP地址消失了

删除IP地址：

[root@deanzhu ~]# nmcli connection modify eno16777736 -ipv4.addresses 172.16.249.22/16 #删除eno16777736这块网卡IP地址为：172.16.249.22掩码为255.255.0.0

[root@deanzhu ~]# nmcli device show eno16777736 #查看这块网卡的信息

GENERAL.DEVICE: eno16777736

GENERAL.TYPE: ethernet

GENERAL.HWADDR: 00:0C:29:90:15:38

GENERAL.MTU: 1500

GENERAL.STATE: 100 (connected)

GENERAL.CONNECTION: eno16777736

GENERAL.CON-PATH: /org/freedesktop/NetworkManager/ActiveConnection/0

WIRED-PROPERTIES.CARRIER: on

IP4.ADDRESS[1]: 172.16.249.161/16

IP4.ADDRESS[2]: 172.16.249.22/16 #这里显示我们删除的地址还有生效

IP4.GATEWAY: 172.16.0.1

IP4.DNS[1]: 172.16.0.1

IP4.DOMAIN[1]: magelinux.com

IP6.ADDRESS[1]: fe80::20c:29ff:fe90:1538/64

IP6.GATEWAY:

[root@deanzhu ~]# nmcli connection down eno16777736 ; nmcli connection up eno16777736 #我们关闭后，再重启下网卡

Connection 'eno16777736' successfully deactivated (D-Bus active path: /org/freedesktop/NetworkManager/ActiveConnection/3)

Connection successfully activated (D-Bus active path: /org/freedesktop/NetworkManager/ActiveConnection/4)

[root@deanzhu ~]# nmcli device show eno16777736 #再次查看网卡信息

GENERAL.DEVICE: eno16777736

GENERAL.TYPE: ethernet

GENERAL.HWADDR: 00:0C:29:90:15:38

GENERAL.MTU: 1500

GENERAL.STATE: 100 (connected)

GENERAL.CONNECTION: eno16777736

GENERAL.CON-PATH: /org/freedesktop/NetworkManager/ActiveConnection/4

WIRED-PROPERTIES.CARRIER: on

IP4.ADDRESS[1]: 172.16.249.161/16 #只剩下一个地址了

IP4.GATEWAY: 172.16.0.1

IP4.DNS[1]: 172.16.0.1

IP4.DOMAIN[1]: magelinux.com

IP6.ADDRESS[1]: fe80::20c:29ff:fe90:1538/64

IP6.GATEWAY:

注：使用nmcli修改的网卡属性会永久有效，但不会立即生效，需要新关闭、启动网卡或重启机器后生效

转载于:https://blog.51cto.com/deanzhulinux/1692503

转载地址：https://blog.csdn.net/weixin_34061042/article/details/93116917 如侵犯您的版权，请留言回复原文章的地址，我们会给您删除此文章，给您带来不便请您谅解！

上一篇：我的友情链接

下一篇：正式学习React(四) ----Redux源码分析

发表评论

关于作者

喝酒易醉，品茶养心，人生如梦，品茶悟道，何以解忧？唯有杜康！

-- 愿君每日到此一游！

发表评论

最新留言

关于作者

推荐文章