[mrtg] Re: Powerconnect Switches
Darryl Kegg
Darryl.kegg at thehortongroup.com
Fri Jan 17 14:53:51 MET 2003
Here's the documentation I created internally for configuring MRTG w/ the
PowerConnect switches, once configured all I had to do was modify the
timeout values in the CFG file and the problem you are having went away.
Hope this helps.
Darryl
-----Original Message-----
From: Dan Mahoney, System Admin [mailto:danm at prime.gushi.org]
Sent: Thursday, January 16, 2003 7:26 PM
To: Robert Walters
Cc: mrtg at list.ee.ethz.ch
Subject: [mrtg] Re: Powerconnect Switches
On Thu, 16 Jan 2003, Robert Walters wrote:
> Here are a couple of my configs from my Dells. I have quite a few of them
> being monitored. I also had problems using configmaker. My problem was
not
> generating good configuration files. I manually adjusted them as need to
> make them work. I also included the Dell MIBs since Dell does not make
them
> available on their web site. At least they didn't the last time I needed
> them.
> I do know that the IP address of the machine requesting the SNMP
information
> needs to be entered in the switch. Not having that can cause it to behave
> strongly.
>
> There is a config from a 3024 and a 3048 plus the MIBS bellow.
Didn't seem to help, still go "no response" at least half the time.
I think MRTG's SNMP implementation isn't quite perfect, since SNMPget and
getif can both pull stats EVERY time, although it wouldn't surprise me if
there was something screwy with the dell, either.
Also, there's something about "Host Authorization"
>From the Manual CD:
>From the SNMP Host Table page, you can add and remove hosts from access
rights that have been granted to community groups. The permissions GET,
SET, and TRAP are assigned to a community name and then these permissions
are assigned to individual machines by adding those machines and their IP
address to the appropriate community string. Host authorization can be
enabled or disabled.
You must enable host authorization before you can use the host table. Host
authorization is a security feature to limit people who are not listed in
the host table from accessing the switch.
Once you have enabled host authorization, you must add the host to this
table through the console port connection. Otherwise, the switch cannot
access the end station using SNMP.
BUT NOWHERE DOES IT TELL YOU HOW TO ENABLE HOST AUTHORIZATION.
Argh
-Dan Mahoney
>
> Hope this helps.
>
> RPW
>
>
>
> -----Original Message-----
> From: Dan Mahoney, System Admin [mailto:danm at prime.gushi.org]
> Sent: Wednesday, January 15, 2003 8:34 PM
> To: mrtg at list.ee.ethz.ch
> Subject: [mrtg] Powerconnect Switches
>
>
>
> I'm having a problem that I think a lot of other people have had with the
> dell powerconnect 3024 switches. I'm only able to pull stats from these
> switches on average one time in ten, or use cfgmaker on them one time in
> ten.
>
> I am able to consistently grab information from these switches with getif.
>
> Are there any diagnostics anyone can suggest I try?
>
> It doesn't help that the google search for "powerconnect" on the list
> search page returns the right headers, but links to the wrong messages.
>
> by the way, yes, that's the device's real ip, but it has a host table,
> which I have configured correctly. If anyone wants to try testing
> anything, let me know and I'll add you.
>
> SNMP Error:
> no response received
> SNMPv1_Session (remote host: "sw02" [65.125.237.11].161)
> community: "public"
> request ID: -97359630
> PDU bufsize: 8000 bytes
> timeout: 2s
> retries: 50
> backoff: 1)
> at /usr/local/lib/perl5/site_perl/5.005/SNMP_util.pm line 458
> SNMPGET Problem for ifInOctets.3 ifOutOctets.3 sysUptime sysName on
> public at sw02:
> at /usr/local/bin/mrtg line 1614
> WARNING: skipping because at least the query for ifInOctets.3 on sw02 did
> not succeed
>
>
>
> --
>
> "It would be bad."
>
> -Egon Spengler, "Ghostbusters"
>
> --------Dan Mahoney--------
> Techie, Sysadmin, WebGeek
> Gushi on efnet/undernet IRC
> ICQ: 13735144 AIM: LarpGM
> Site: http://www.gushi.org
> ---------------------------
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>
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--
"Blargy Frap!"
-mtreal, efnet #macintosh channel, 8.10.98, Approx 3AM
--------Dan Mahoney--------
Techie, Sysadmin, WebGeek
Gushi on efnet/undernet IRC
ICQ: 13735144 AIM: LarpGM
Site: http://www.gushi.org
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