[c-nsp] ASA output of show dhcpd binding - odd hardware address?

[Jeff Wojciechowski]

Curious thing though is that both are locally attached Ethernet devices. One a Nortel IP phone and the other a Dell PC with Windows.

In any event, thanks for the info!

-Jeff

-----Original Message-----
From: Church, Charles [mailto:Charles.Church at harris.com] 
Sent: Tuesday, March 09, 2010 12:38 PM
To: Jeff Wojciechowski; cisco-nsp at puck.nether.net
Subject: RE: ASA output of show dhcpd binding - odd hardware address?

There isn't a .12 appended to the end.  It's actually the '01' at the front
that was prepended.  I think it has something to do with bootp clients vs.
DHCP clients that causes the '01' to show up.  I believe '01' indicates
ethernet, if memory serves me correctly.

Chuck Church
Network Planning Engineer, CCIE #8776
Southcom
Harris IT Services
1210 N. Parker Rd.
Greenville, SC 29609 
Office: 864-335-9473
Cell: 864-266-3978
E-mail: charles.church at harris.com
Southcom E-mail: charles.church.ctr at hq.southcom.mil


-----Original Message-----
From: cisco-nsp-bounces at puck.nether.net
[mailto:cisco-nsp-bounces at puck.nether.net] On Behalf Of Jeff Wojciechowski
Sent: Tuesday, March 09, 2010 10:05 AM
To: cisco-nsp at puck.nether.net
Subject: [c-nsp] ASA output of show dhcpd binding - odd hardware address?


Greetings all:

Running 8.2(1) on an ASA 5505 and am curious if anyone can tell me what the
+.12 is after the MAC address bound to 172.20.48.37?

Diane-VPN# show dhcpd binding

IP address       Hardware address        Lease expiration        Type

   172.20.48.36       0019.6983.7339          536677 seconds    Automatic
   172.20.48.37    0100.0874.255f.12          537139 seconds    Automatic

The Cisco 8.2 command reference sample command sample output shows a similar
example but with a .43 at the end of the MAC address with no explanation of
the suffix.

Last I checked MAC addresses were 12 characters not 14?

Many thanks again,


Jeff Wojciechowski
LAN, WAN and Telephony Administrator
Midland Paper Company
101 E Palatine Rd
Wheeling, IL 60090
* tel: 847.777.2829
Ê fax: 847.403.6829
e-mail:
jeff.wojciechowski at midlandpaper.com<mailto:jeff.wojciechowski at midlandpaper.c
om>
http://www.midlandpaper.com

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