January 2003
Intermediate to advanced
832 pages
32h 40m
English
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Name
ifconfig
Synopsis
ifconfig [options] [interface address_family address parameters]
Assigns an address to a network interface and/or configure network
interface parameters. ifconfig is typically used
at boot time to define the network address of each interface on a
machine. It may be used at a later time to redefine an
interface’s address or other parameters. Without
arguments, ifconfig displays the current
configuration for a network interface. Used with a single
interface argument, ifconfig
displays that particular interface’s current
configuration.
Display Options
-
-a Display information about all configured interfaces. This is the default when no options and arguments are specified.
-
-d Display information about interfaces that are down.
-
-L Display address lifetime for IPv6 addresses.
-
-l Display all configured interfaces names only.
-
-m Display all supported media for specified interface.
-
-u Display information about interfaces that are up.
Arguments
-
interface String of the form name unit—for example,
en0.-
address Hostname or address in “dotted-octet” notation—for example,
172.24.30.12.-
address_family Since an interface may receive transmissions in differing protocols, each of which may require separate naming schemes, you can specify the address_family to change the interpretation of the remaining parameters. You may specify
inet(the default; for TCP/IP) orinet6.-
dest_address Specify the address of the correspondent on the other end of a point-to-point link.
The following ...
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I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.