Sorry, my fault.... That's why I have an odd MAC for the Cisco... But all the other 
issues are not affected by this... In my example Host1 and Host3 are still mixed up...


Thomas Pagel
Senior Consultant Business Intelligence 

Software4You Planungssysteme GmbH
Niederlassung Paderborn 
Hauptstra�e 35 
33178 Borchen (Germany)
 
tel.:   +49 (5251) 54009-11
mob.:   +49 (172) 8423035
fax.:   +49 (5251) 54009-99
home:   http://www.software4you.com

4PLAN� - The Art of Budgeting. 

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-----Urspr�ngliche Nachricht-----
Von: Burton M. Strauss III [mailto:[EMAIL PROTECTED] 
Gesendet: Montag, 31. M�rz 2003 15:58
An: [EMAIL PROTECTED]
Betreff: RE: [Ntop] Wrong association IP <-> MAC


That's right, isn't it?

The 01: is the multicast bit and 01:00:0c:cc:cc:cc is listed in most lists as Cisco 
CDPD/VTP...

It's one of those odd, pre-IANA pre-IEEE assignments, where companies picked what they 
wanted and there weren't enough in the market to cause problems, but not all of them 
were codified later on.  Make building the specialMac.txt file a brass plated b*tch.

STFW... http://www.cisco.com/univercd/cc/td/doc/product/lan/cat6000/sw_7_1/conf_gd/e
_trunk.htm and lots of others


-----Burton



-----Original Message-----
From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] Behalf Of Thomas Pagel
Sent: Monday, March 31, 2003 5:04 AM
To: [EMAIL PROTECTED]
Subject: AW: [Ntop] Wrong association IP <-> MAC


correction:
Host2 is only listed as "Cisco CDPD/VTP" without any IP



Thomas Pagel
Senior Consultant Business Intelligence
Software4You Planungssysteme GmbH
Niederlassung Paderborn
Hauptstra�e 35
33178 Borchen (Germany)

tel.:   +49 (5251) 54009-11
mob.:   +49 (172) 8423035
fax.:   +49 (5251) 54009-99
home:   http://www.software4you.com
4PLAN� - The Art of Budgeting.
Disclaimer:
This email may contain confidential and proprietary material for the sole use of the 
intended recipient. Any review or distribution by others is prohibited. If you are not 
the intended recipient please contact the sender and delete all copies. 
-----Urspr�ngliche Nachricht-----
Von: Thomas Pagel
Gesendet: Montag, 31. M�rz 2003 12:54
An: [EMAIL PROTECTED]
Betreff: [Ntop] Wrong association IP <-> MAC


Hi,
I'm running ntop Version 2.1.90 on Windows 2000. Looking at statistics/hosts I find 
some hosts which are listed incorrectly (or at least I don't understand that....)
Host1: Microsoft ISA Server
Host2: Our Cisco Internet router
Host3: Windows 2000 Server
The IP of Host3 has the MAC Address of Host1 and all the Service-Icons of Host1 The IP 
of Host3 is there a second time with the MAC Address of Host2 and the Router 
Service-Icon The IP of Host2 has the MAC Address of 01:00:0C:CC:CC:CC, no idea where 
this is comming from The IP of Host1 isn't listed at all I really don't understand 
that... Thanks,


Thomas Pagel
Senior Consultant Business Intelligence
Software4You Planungssysteme GmbH
Niederlassung Paderborn
Hauptstra�e 35
33178 Borchen (Germany)

tel.:   +49 (5251) 54009-11
mob.:   +49 (172) 8423035
fax.:   +49 (5251) 54009-99
home:   http://www.software4you.com
4PLAN� - The Art of Budgeting.
Disclaimer:
This email may contain confidential and proprietary material for the sole use of the 
intended recipient. Any review or distribution by others is prohibited. If you are not 
the intended recipient please contact the sender and delete all copies.

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