[mrtg] Re: MRTG not communicating with C6509

[jon.hartman at verizon.com]

First, check your logfile and see what errors you're getting. Secondly,
see if you can poll the device manually from your MRTG server with
snmpwalk (ie: snmpwalk -c <read string> -v 1 <IP address>).

-Jon 

-----Original Message-----
From: mrtg-bounce at list.ee.ethz.ch [mailto:mrtg-bounce at list.ee.ethz.ch] On
Behalf Of Chuck.Coker at rcc.edu
Sent: Friday, January 21, 2005 3:50 PM
To: mrtg at list.ee.ethz.ch
Subject: [mrtg] MRTG not communicating with C6509

I have occasional problems with MRTG and I hate it when the problems
magically fix themselves -- I don't know what went wrong or how to fix it
next time. In other words, I haven't always learned from experience.

Yesterday I discovered that I have no data on two of my C6509s since
Tuesday at 10:25. A third C6509 in the same rack works fine. Today I found
another switch, a C3550-12G, that has not been recording data since
January 11 at 14:25.

>From my MRTG box, I can ping all of the switches and I can telnet into
each of them. I'm assuming this means I have a good route between the
devices. What I can't figure out is what would cause the communications to
suddenly stop.

Can anyone offer any troubleshooting tips? I would like to understand the
what's going on as well as get the problem fixed.

Thanks,
Chuck

----------------------------------------------------------------
Chuck Coker                             chuck.coker (at) rcc.edu
       Riverside Community College, Information Services 4800 Magnolia
Avenue, Riverside, California 92506, United States
+1 951 222 8759 (desk)                    +1 951 830 8068 (cell)
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