Difference between revisions of "Ifconfig"
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| − | <code>[[wikipedia:ifconfig|ifconfig]]</code>is a command in Unix-like operating systems like Linux<ref>https://linux.die.net/man/8/ifconfig</ref>, [[ | + | {{lc}} |
| + | <code>[[wikipedia:ifconfig|ifconfig]]</code>is a command in Unix-like operating systems like Linux<ref>https://linux.die.net/man/8/ifconfig</ref>, [[FreeBSD]], [[OpenBSD]], [[macOS]] for [[Ethernet]] network interface configuration. | ||
| − | In [[macOS]], the <code>ifconfig</code> command functions as a [[Wrapper pattern|wrapper]] to the IPConfiguration agent, and can control the [[BootP]] and DHCP clients from the command-line. Use of <code>ifconfig</code> to modify network settings in Mac OS X is discouraged, because <code>ifconfig</code> operates below the level of the system frameworks which help manage network configuration. To change network settings in Mac OS X from the command line, use <code>/usr/sbin/ipconfig</code> or <code>/usr/sbin/[[macOS/networksetup|networksetup]]</code>. | + | In [[macOS]], the <code>ifconfig</code> command functions as a [[Wrapper pattern|wrapper]] to the IPConfiguration agent, and can control the [[BootP]] and [[DHCP]] clients from the command-line. Use of <code>ifconfig</code> to modify network settings in Mac OS X is discouraged, because <code>ifconfig</code> operates below the level of the system frameworks which help manage network configuration. To change network settings in Mac OS X from the command line, use <code>/usr/sbin/ipconfig</code> or <code>/usr/sbin/[[macOS/networksetup|networksetup]]</code>. |
| − | <code>ifconfig</code> command is included in the <code>net-tools</code> package but not installed by default in RHEL since version 7<ref>https://lwn.net/Articles/710533</ref>. | + | <code>ifconfig</code> command is included in the <code>[[net-tools]]</code> package but not installed by default in RHEL since version 7<ref>https://lwn.net/Articles/710533</ref>. |
| − | == | + | == [[Configuring an alias IP]] == |
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== Activities == | == Activities == | ||
| − | * Show interface configuration in Linux including ip addresses: <code>ifconfig -a</code> or <code>ip a</code> | + | * Show interface configuration in Linux including ip addresses: <code>[[ifconfig -a]]</code> or <code>[[ip a]]</code> |
* Show interface Ethernet network capabilities of your interface, such as speed, with: <code>mii-tool -v YOUR_INTERFACE_NAME</code>, <code>mii-tool -v eth0</code> | * Show interface Ethernet network capabilities of your interface, such as speed, with: <code>mii-tool -v YOUR_INTERFACE_NAME</code>, <code>mii-tool -v eth0</code> | ||
| − | * Show all network | + | * [[Show all network interfaces in Linux]]:<ref>https://www.cyberciti.biz/faq/linux-list-network-cards-command/</ref> |
| − | : | + | * Learn about [https://access.redhat.com/documentation/en-us/red_hat_enterprise_linux/7/html/networking_guide/ch-consistent_network_device_naming Linux Naming Schemes Hierarchy]. |
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| − | * | + | * Change your [[MAC]] address: <code>ifconfig {eth0|wlan0} hw ether CA:CA:CA:CA:CA:CA</code> |
| + | * [[macOS]]: <code>[[ipconfig getifaddr]] en0</code> | ||
| + | |||
| + | == Related == | ||
| + | * <code>[[ifconfig -v]]</code> | ||
| + | * [[myip]] | ||
| + | * <code>[[docker inspect]] CONTAINER_NAME | grep IPAddress</code> | ||
| + | * Linux: <code>[[hostname -I]]</code>, <code>[[hostname -i]]</code> | ||
| + | anpi0 anpi1 anpi2 ap1 awdl0 bridge0 en0 en1 en2 en3 en4 en5 en6 gif0 llw0 lo0 stf0 utun0 utun1 utun2 utun3 | ||
== See also == | == See also == | ||
| − | * {{Linux networking | + | * {{Linux networking}} |
* <code>[[ipconfig]]</code> Windows command | * <code>[[ipconfig]]</code> Windows command | ||
| − | * [[ | + | * {{MacOS networking}} |
| + | * [[bonding]] | ||
== References == | == References == | ||
Latest revision as of 09:07, 30 April 2025
ifconfigis a command in Unix-like operating systems like Linux[1], FreeBSD, OpenBSD, macOS for Ethernet network interface configuration.
In macOS, the ifconfig command functions as a wrapper to the IPConfiguration agent, and can control the BootP and DHCP clients from the command-line. Use of ifconfig to modify network settings in Mac OS X is discouraged, because ifconfig operates below the level of the system frameworks which help manage network configuration. To change network settings in Mac OS X from the command line, use /usr/sbin/ipconfig or /usr/sbin/networksetup.
ifconfig command is included in the net-tools package but not installed by default in RHEL since version 7[2].
Configuring an alias IP[edit]
Activities[edit]
- Show interface configuration in Linux including ip addresses:
ifconfig -aorip a - Show interface Ethernet network capabilities of your interface, such as speed, with:
mii-tool -v YOUR_INTERFACE_NAME,mii-tool -v eth0 - Show all network interfaces in Linux:[3]
- Learn about Linux Naming Schemes Hierarchy.
- Change your MAC address:
ifconfig {eth0|wlan0} hw ether CA:CA:CA:CA:CA:CA - macOS:
ipconfig getifaddr en0
Related[edit]
ifconfig -v- myip
docker inspect CONTAINER_NAME | grep IPAddress- Linux:
hostname -I,hostname -i
anpi0 anpi1 anpi2 ap1 awdl0 bridge0 en0 en1 en2 en3 en4 en5 en6 gif0 llw0 lo0 stf0 utun0 utun1 utun2 utun3
See also[edit]
- Linux networking: Consistent Network Device Naming (eth, ens), DPDK, Alias IP, bonding, Wlan0,
ip[link, route],ifconfignetstatsslsofpingethtoolmii-toolarpingnmcli(RHEL)routenetworkctl,netplan,tc,networkd-dispatcher ipconfigWindows command- macOS:
networksetup,ifconfig,ipconfig [ getifaddr ],scutil - bonding
References[edit]
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