Causes ifconfig to print information on all interfaces. The protocol family may be specified as well. This is the default, if no parameters are given to ifconfig.-C Print the names of all network pseudo-devices that can be created dynamically at runtime using ifconfig create. interface
Jun 07, 2019 · Description. Iwconfig is similar to ifconfig, but is dedicated to the wireless interfaces. It is used to set the parameters of the network interface that are specific to the wireless operation (the wireless frequency, for example). The ifconfig eth0 up command on most Linux systems can be abbreviated to ifup eth0.The same holds true for deactivating an interface, so that ifconfig eth0 down can be abbreviated as ifdown eth0 Causes ifconfig to print information on all interfaces. The protocol family may be specified as well. This is the default, if no parameters are given to ifconfig.-C Print the names of all network pseudo-devices that can be created dynamically at runtime using ifconfig create. interface The venerable ifconfig is available on almost every unix I have encountered. In addition to reporting the IP addressing and usage statistics of an optionally specified interface, ifconfig can modify an interface's MTU and other flags and interface characteristics, bring up an interface and bring down an interface.
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ifconfig is a system administration utility in Unix-like operating systems for network interface configuration.. The utility is a command-line interface tool and is also used in the system startup scripts of many operating systems. Ifconfig uses obsolete kernel interface. It uses the ioctl access method to get the full address information, which limits hardware addresses to 8 bytes. Since an Infiniband address is 20 bytes, only the first 8 bytes of Infiniband address are displayed. While appletalk DDP and IPX addresses will be displayed they cannot be altered by this command.
The world evolves I regularly see “recommendations” to use ifconfig to get interface information in mailing list posts or bug reports and other places. I might even be guilty of it myself. Still, the world of networking has evolved quite a lot since ifconfig was the de-facto standard to …
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