[mrtg] Re: Newbie OS X User

Drew Hawn DHawn at DupontDisplays.com
Tue Apr 30 23:08:53 MEST 2002

"No response received" could mean any one or a combination of the following common problems:

 - You are using the wrong community string ("public" is usually the default on many devices, but could/should be changed)

 - SNMP is not enabled on the device.  If you are trying to pull info from a router or switch, chances are good that the device itself supports SNMP, but it may have to be "turned on."

 - You are using the wrong IP address

Are you trying to pull info from a router?  If so, can you telnet into the router and check whether SNMP is enabled and what the community string is?

Essential SNMP is a book from O'Reilly.  Should be available in your local bookstore, or at Amazon, etc.

There was another post that gave information on SNMP port numbers, although I believe some Cisco routers use a different port.


-----Original Message-----
From: Dan Tappin [mailto:dan at wavefront.ca]
Sent: Tuesday, April 30, 2002 12:08 PM
To: Drew Hawn; MRTG
Subject: Re: [mrtg] Re: Newbie OS X User

> \/ \/ \/ \/ \/ \/ \/ \/ \/ \/ \/ \/
> My opinion, for what it's worth, is that you begin this adventure by
> monitoring
> the router/switch that connects your office to the outside world.  It is
> probably the easiest thing to do, and will give you some feedback on
> important information right away.  You can then move on to more difficult
> items
> after MRTG has become a bit more familiar
> /\ /\ /\ /\ /\ /\ /\ /\ /\ /\ /\ /\

When I run cfgmaker I get multiple

SNMP Error:
no response received

Errors.  Is this because I have no SNMP server or access is blocked.  What
port does SNMP run on?

> \/ \/ \/ \/ \/ \/ \/ \/ \/ \/ \/ \/
> I'm not running OS X, but am using MRTG on Linux and Windows.
> By the way, I stumbled across 'Essential SNMP' from O'Reilly over the weekend.
> Excellent introduction to SNMP which is what MRTG is all about.
> /\ /\ /\ /\ /\ /\ /\ /\ /\ /\ /\ /\

Is this on their site (link please :^) or a book?



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