[mrtg] Re: Monitoring Multiple Switches

[Craig Humphrey]

Hi Tim,

What I did was to split the switch configs up and then arrange by floor
of the building they're on, with a separate one for the backbone in the
server room.

Set up a generic header with the stuff that's common to all switches
(location of log files, images, etc), then use the INCLUDE directive to
include the switch specific stuff.

E.g.

Akl_backbone_switches.cfg

# Created by Craig

HtmlDir: /var/www/mrtg
ImageDir: /var/www/mrtg/images
LogDir: /var/mrtg/work
RunAsDaemon: no

### Global Defaults

#  to get bits instead of bytes and graphs growing to the right
Options[_]: growright, bits, nobanner
WithPeak[_]: wmy

# Backbone only
Include: /var/mrtg/configs/AKLSW368.inc
Include: /var/mrtg/configs/AKLSW369.inc

---------------------------------------------------------

AKLSW368.inc

######################################################################
# System: AKLSW368
# Description: Cisco Internetwork Operating System Software
#          IOS (tm) C2950 Software (C2950-C3H2S-M), Version
12.0(5.3)WC(1), MAIN
TENANCE INTERIM SOFTWARE
#          Copyright (c) 1986-2001 by cisco Systems, Inc.
#          Compiled Mon 30-Apr-01 07:56 by devgoyal
# Contact:
# Location:
######################################################################


### Interface 2 >> Descr: 'FastEthernet0/1' | Name: 'Fa0/1' | Ip: '' |
Eth: '00-
08-e3-25-2a-41' ###

Target[10.9.50.68_2]: 2:XXXXXXXX at 10.9.50.68:
SetEnv[10.9.50.68_2]: MRTG_INT_IP="" MRTG_INT_DESCR="FastEthernet0/1"
MaxBytes[10.9.50.68_2]: 12500000
Title[10.9.50.68_2]: Traffic Analysis for Uplink to Aklsw360 -- AKLSW368
PageTop[10.9.50.68_2]: <H1>Traffic Analysis for Uplink to Aklsw360 --
AKLSW368<H1>
 <TABLE>
etc


Hope that helps.

Whether you use these "master" cfg files to run MRTG, or set up separate
groupings, is up to you.  You have to be a bit careful if you starting
using routers.cgi or 14all.cgi, as I don't think they handle multple
levels of INCLUDEs or something (I tried it a long time ago and ran into
trouble, but I must revisit again at somepoint)

Later'ish
Craig


> -----Original Message-----
> From: mrtg-bounce at list.ee.ethz.ch 
> [mailto:mrtg-bounce at list.ee.ethz.ch] On Behalf Of Tim Holmes
> Sent: Wednesday, October 20, 2004 9:55 AM
> To: mrtg at list.ee.ethz.ch
> Subject: [mrtg] Monitoring Multiple Switches
> 
> Hello All, 
>  
> Once again thanks to all who helped me get MRTG up and running, it is
> totally great!!!
>  
> As I am continuing to implement MRTG, I am facing somewhat of a
> congestion problem on the index page.  By the time that I have MRTG
> fully implemented, I will be monitoring almost 300 ports of on 8
> switches around the building.  Obviously that is quite a few to handle
> on one screen.  What I would love to do is to break it up 
> with a central
> page listing each switch, that is a link to be clicked to access the
> typical MRTG page for that switch.  
>  
> To do this, I don't think poses a huge problem, what I 
> anticipate doing
> is creating a separate folder for each switch, and routing the
> indexmaker command output to that folder.  
>  
> The problem that I am not sure of is the only way that I have seen the
> indexmaker command implemented is to have multiple configuration files
> in the command line for it, which presents a problem unless it is
> possible to call more than one instance of Indexmaker.  Or some such
> thing.  Once I get the pages being generated within the 
> proper folders,
> I am planning to construct a cool looking front page for the 
> whole thing
> (no problem, I do web stuff all the time). 
>  
> If someone could please enlighten me on how to get it 
> creating different
> output in different folders at the same time, I would be most
> appreciatative.
>  
> TIM
> 
>  
> Tim Holmes

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