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

Tue Mar 9 14:20:48 EST 2010

The heading of the column is incorrect.  It says "Hardware address", but
what is really being presented is the DHCP Client Identifier (if sent),
or hardware address.

If you would like this changed, please open a TAC case and let me know
the case number.  There is a bug for this, but it was closed, as there
wasn't customer demand to change it.

Sincerely,

David.

Church, Charles wrote:
> 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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