The IF nTop binds to for monitoring SHOULDN'T need an IP address. Cool that you 
found a workaround though!!!

________________________________

From: [EMAIL PROTECTED] 
To: [email protected] 
Sent: Fri Oct 03 15:22:53 2008
Subject: Re: [Ntop] ntop listening NIC 


Got it!!!!

 

Installed on Opensuse 10.3

Installed ntop and rrdtool

2 NICs – One for the PC and one for the span

IP address on PC –NIC set to my management vlan 

IP address on Span card – 127.0.0.3 to vlan to the world

Set Cisco switch to monitor the vlan connection to the world from the 127.0.0.3 
port

 

rrd and structure was not created during the installation.

Created the following directory structure

/etc/lib/ntop/rrd

/etc/lib/ntop/rrd/flows

/etc/lib/ntop/rrd/graphic

/etc/lib/ntop/rrd/interfaces

 

Not sure what permissions were necessary.  Because of permission errors in 
loading ntop, I reset the permissions on the directory structure. 

chmod rrd –R 777  (not sure on this one.  I’m a novice or not quite a novice 
and don’t have the syntax readily available)

 

Set the ownership to wwwrun on all the directories using “chown” utility.

Set the group membership to www on all the directories using “chgrp” utility.

 

Saved a backup copy of /etc/sysconfig/ntop and named it ntop.backup

Edited /etc/sysconfig/ntop to point to “eth1” and 127.0.0.3

 

Ntop web interface is up and working on the local machine. 

 

Website is http://127.0.0.3:3000

Load plugins for graphincs by clicking on Plugins and selecting which ones you 
want.

 

SO.  Heres a start at documentation!!!  Next is to set up the user’s, remote 
access.  THEN saving the data.  

 

Liz M

 

 

 

 

 

 

 

 

From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of Murray, 
Elizabeth [DNR]
Sent: Friday, October 03, 2008 10:37 AM
To: [email protected]
Subject: [Ntop] ntop listening NIC

 

Opensuse 10.3

Ntop 

 

Ifconfig shows 2 NIC’s.  One with an IP address “eth0” and one without for 
listening “eth1”.

 

Have tried 

 

/etc/init.d/ntop start –I eth1

/etc/init.d/ntop start –M –I eth1

 

And multiple variations.  Nothing loads the second nic for ntop. 

 

Plugins loaded and not loaded.  Same result.

 

Listening port is set to listen to the port going OUT of the building.  On the 
same Cisco 3750 switch. 

 

Wireshark does work and is able to “see” the 2nd NIC.

 

Any help would be appreciated . . . . and I’ll tempt you with doing some 
documentation for a novice Ntop user!!!

 

Liz M






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