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IFCFG(8)                             Linux                            IFCFG(8)



NAME
       ifcfg - simplistic script which replaces ifconfig IP managment

SYNOPSIS
       ifcfg [ DEVICE [ :ALIAS: ] ] [ command ] ADDRESS [ LENGTH ] [ PEER ]



DESCRIPTION
       This manual page documents briefly the ifcfg command.

       This is a simplistic script replacing one option of ifconfig , namely, IP address management. It not only adds
       addresses, but also carries out Duplicate Address Detection RFC-DHCP, sends unsolicited ARP to update the
       caches of other hosts sharing the interface, adds some control routes and restarts Router Discovery when it is
       necessary.

       I strongly recommend using it instead of ifconfig both on hosts and on routers.


IFCONFIG - COMMAND SYNTAX
       DEVICE - it may have alias, suffix, separated by colon.


       command
              - add, delete or stop.


       address
              - optionally followed by prefix length.


       peer   - optional peer address for pointpoint interfaces.


EXAMPLE
       This function determines, whether this is router or host.  It returns 0, if the host is apparently not router.


SEE ALSO
       ip-cref.dvi



iproute2                       September 24 2009                      IFCFG(8)