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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>, [[FreeBSD]], [[OpenBSD]], [[macOS]] for [[Ethernet]] network interface configuration. | <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. | ||
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<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 == |
| + | === Linux alias === | ||
| + | ifconfig eth0''':0''' 192.168.1.6 up | ||
| + | |||
| + | === [[macOS]] [[alias]] === | ||
| + | Configure 3 alias in <code>en1</code> interface, https://ss64.com/osx/ifconfig.html: | ||
| + | <pre> | ||
| + | sudo ifconfig en1 inet 192.168.10.2/24 add | ||
| + | sudo ifconfig en1 inet 192.168.20.2/24 add | ||
| + | sudo ifconfig en1 inet 192.168.30.2/24 add | ||
| + | </pre> | ||
| + | or | ||
| + | <pre> | ||
| + | sudo ifconfig en1 inet 192.168.10.2/24 alias | ||
| + | sudo ifconfig en1 inet 192.168.20.2/24 alias | ||
| + | sudo ifconfig en1 inet 192.168.30.2/24 alias | ||
| + | </pre> | ||
| + | |||
| + | |||
| + | Remove/Delete alias: | ||
| + | sudo ifconfig en1 inet 192.168.10.2/24 delete | ||
== Activities == | == Activities == | ||
| − | * Show interface configuration in Linux including ip addresses: <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 inferfaces in Linux:<ref>https://www.cyberciti.biz/faq/linux-list-network-cards-command/</ref> |
| + | ::<code>[[lspci]] | egrep -i --color 'network|ethernet'</code> | ||
| + | ::<code>[[lshw]] -class network</code> | ||
| + | ::<code>[[ifconfig -a]]</code> | ||
| + | ::<code>[[ip link]] show</code> | ||
| + | ::<code>ip a</code> | ||
| + | ::<code>cat [[/proc/]]net/dev</code> | ||
| + | ::<code>cat [[/proc/]]net//proc/net/fib_trie</code> (ips) | ||
| + | ::<code>systemd/networkctl|networkctl list</code> | ||
| + | ::<code>nmcli|nmcli device show</code> | ||
| + | |||
* 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]. | * 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]. | ||
* Change your [[MAC]] address: <code>ifconfig {eth0|wlan0} hw ether CA:CA:CA:CA:CA:CA</code> | * Change your [[MAC]] address: <code>ifconfig {eth0|wlan0} hw ether CA:CA:CA:CA:CA:CA</code> | ||
| − | |||
| − | == Related == | + | == Related terms == |
| − | |||
* <code>[[docker inspect]] CONTAINER_NAME | grep IPAddress</code> | * <code>[[docker inspect]] CONTAINER_NAME | grep IPAddress</code> | ||
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== See also == | == See also == | ||
| − | * {{Linux networking}} | + | * {{Linux networking commands}} |
* <code>[[ipconfig]]</code> Windows command | * <code>[[ipconfig]]</code> Windows command | ||
* {{MacOS networking}} | * {{MacOS networking}} | ||
* [[bonding]] | * [[bonding]] | ||
| + | * [[Eth]] | ||
== References == | == References == | ||
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