[mrtg] Re: MRTG not communicating with C6509

[Dowling, Steve]

Yup, think I've seen similar in the past. 

My $0.02 is to double check your snmp instances against your config
files.  I've 
had fun and games with devices changing their interface index across
reboots.

When you identify this problem (and fix it!), let us all know what it
was.  I 
for one, am always interested. 

SD

-----Original Message-----
From: Bigelow, Andrea L. [mailto:BigelowA at SEC.GOV] 
Sent: Tuesday, 25 January 2005 1:29 AM
To: mrtg at list.ee.ethz.ch
Subject: [mrtg] Re: MRTG not communicating with C6509


 I run into this occasionally as well with Cisco equipment -- however,
since
that's almost all of what I monitor, I guess that's all the equipment.
If
you daemonize your MRTG for that device, check to make sure the PID
still
exists. 

-----Original Message-----
From: jon.hartman at verizon.com [mailto:jon.hartman at verizon.com] 
Sent: Monday, January 24, 2005 7:40 AM
To: Chuck.Coker at rcc.edu; mrtg at list.ee.ethz.ch
Subject: [mrtg] Re: MRTG not communicating with C6509

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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