Get info on network interface

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Operating Systems Linux Get info on network interface
# 1  
Old 06-19-2007
Get info on network interface

Hello everybody,

How can link network interface to the output of lspci -vv. Basicly i need to know who is the manufacturer of a specific interface, for example eth0 {Is it an Intel, or Broadcome, or something else}. Is there a way to find that out?

# 2  
Old 06-19-2007
Get you NIC MAC address using either ifconfig or arp command. Then look it up here:
# 3  
Old 06-19-2007
Problem is, i need to create a script which will run against 3000 servers and check to see if any of them has Broadcome card as eth0 or eth4. Broadcome can be eth1,2,3,5,6 but not eth0 or eth4.
# 4  
Old 06-19-2007
How about looking for the PCI id?

0x14E4 Broadcom Corporation

This should be available in dmesg, may be other places it's available as well.


Run "lspci" and "lspci -n" in an xterminal to find the MANFID number of your card.

If you see 14e4:4318 or 14e4:4320 then your card is Broadcom-based....
# 5  
Old 06-19-2007
See if you have /proc/net/nicinfo/*.info on your system... will simplify this entire process....

EDIT. Had some more time to work on this. You may find the following useful:



function get_interfaces {
  INTERFACES=$( ${IFCONFIG} -a | ${GREP} "^eth" | ${AWK} '{print $1}' )

function get_vendors {
     MAC=$( ${IFCONFIG} ${INTERFACE} | ${GREP} "HWaddr" | ${AWK} '{print $NF}' )
     VENDOR=$( ${ECHO} "${MAC}" | ${CUT} -d":" -f1-3 )
     HTTPVENDOR=$( ${ECHO} "${VENDOR}" | ${SED} 's/:/%3A/g' )
     LOOKUP=$( ${CURL} "${URL}${HTTPVENDOR}" 2>/dev/null | ${SED} -n '/strong>[ ]*MAC Address/,/<\/pre>/ p' | ${GREP} -v '>' | ${TR} -s ' ' )
     ${ECHO} "Interface: ${INTERFACE}  Vendor: ${LOOKUP}"


exit 0

Ran this on a few of my Linux systems:
# ./ 
Interface: eth0  Vendor:  00144F Sun Microsystems, Inc
Interface: eth1  Vendor:  00144F Sun Microsystems, Inc
Interface: eth2  Vendor:  00144F Sun Microsystems, Inc
Interface: eth3  Vendor:  00144F Sun Microsystems, Inc
# ./ 
Interface: eth0  Vendor:  009027 intel corporation
# ./ 
Interface: eth0  Vendor:  000D56 Dell PCBA Test
Interface: eth1  Vendor:  000D56 Dell PCBA Test


Last edited by zazzybob; 06-19-2007 at 10:08 PM..
# 6  
Old 06-20-2007
WOW, this is great. Exactly what i needed.

Thank you.
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