NAMEIF(8) Linux's Administrator's Manual NAMEIF(8)NAME
nameif - name network interfaces based on MAC addresses
SYNOPSIS
nameif [-c configfile] [-s]
nameif [-c configfile] [-s] {interface macaddress}
DESCRIPTION
nameif renames network interfaces based on mac addresses. When no arguments are given /etc/mactab is read. Each line of it contains an
interface name and a Ethernet MAC address. Comments are allowed starting with #. Otherwise the interfaces specified on the command line
are processed. nameif looks for the interface with the given MAC address and renames it to the name given.
When the -s argument is given all error messages go to the syslog.
When the -c argument is given with a file name that file is read instead of /etc/mactab.
NOTES
nameif should be run before the interface is up, otherwise it'll fail.
FILES
/etc/mactab
BUGS
Only works for Ethernet currently.
net-tools 18 Oct 2000 NAMEIF(8)
Check Out this Related Man Page
ETHERS(5) BSD File Formats Manual ETHERS(5)NAME
ethers -- Ethernet host name data base
DESCRIPTION
The ethers file maps Ethernet MAC addresses to host names. Lines consist of an address and a host name, separated by any number of blanks
and/or tab characters. A '#' character indicates the beginning of a comment; characters up to the end of the line are not interpreted by
routines which search the file.
Each line in ethers has the format:
ethernet-MAC-address hostname-or-IP
Ethernet MAC addresses are expressed as six hexadecimal numbers separated by colons, e.g. "08:00:20:00:5a:bc". The functions described in
ethers(3) and ether_aton(3) can read and produce this format.
The traditional use of ethers involved using hostnames for the second argument. This may not be suitable for machines that don't have a com-
mon MAC address for all interfaces (i.e., just about every non Sun machine). There should be no problem in using an IP address as the second
field if you wish to differentiate between different interfaces on a system.
FILES
/etc/ethers The ethers file resides in /etc.
SEE ALSO ethers(3)HISTORY
The ethers file format was adopted from SunOS and appeared in NetBSD 1.0.
BUGS
A name server should be used instead of a static file.
BSD November 7, 2000 BSD
STEP 1
# Set variable
FILE=/tmp/mainfile
SEARCHFILE =/tmp/searchfile
cat /tmp/mainfile
Interface Ethernet0/0 "outside", is up, line protocol is up
Hardware is i82546GB rev03, BW 100 Mbps
Full-Duplex(Full-duplex), 100 Mbps(100 Mbps)
MAC address 001e.f75e.8cb4, MTU 1500
IP address... (1 Reply)
STEP 1
# Set variable
FILE=/tmp/mainfile
SEARCHFILE =/tmp/searchfile
# THIS IS THE MAIN FILE.
cat /tmp/mainfile
Interface Ethernet0/0 "outside", is up, line protocol is up
Hardware is i82546GB rev03, BW 100 Mbps
Full-Duplex(Full-duplex), 100 Mbps(100 Mbps)
MAC address... (6 Replies)
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