[mrtg] Re: MRTG config for 1720?
Michael Markstaller
mm at elabnet.de
Wed Apr 30 16:20:13 MEST 2003
Asaf, first of all you should write to the list, not me.
Have you tried opening the config or template in notepad and hitting the "del" button on your keyboard for the sections you don't like ? sorry just kidding but this I think you need to workout yourself.. Cisco CPU-monitoring works for about 100 devices here, check if any other and this OID (.57/.58) )on the router works with snmpwalk.
Michael
-----Original Message-----
From: Asaf Rapoport [mailto:arapoport at telepacific.com]
Sent: Wednesday, April 30, 2003 4:08 PM
To: Michael Markstaller
Subject: RE: [mrtg] Re: templates
Hi Michael,
Is there a way I can use the template to only monitor CPU MEM SER ETH ? they rest of the stuff is not needed,
BTW - it does not show CPU usage for 1720...
Thanx
-----Original Message-----
From: Michael Markstaller
To: TS/9A (Metha T. 7359); mrtg at list.ee.ethz.ch
Sent: 4/30/03 4:54 AM
Subject: [mrtg] Re: Can MRTG make the switch reset ?
Hi,
a bug in the snmp-part of the switch software can cause a reset, sure. I
personally experienced this with Cisco-routers reloading when a specific
(E1) interface-name is queried from the cisco.liftable, but it's quite
uncommon, also it's not mrtg to blame but the vendor unable to write a
stable snmp-agent.
Possibly easiest way to find out is with trying to reproduce this with
an snmpwalk on the iftable. the interface-remapping reported by HPOV
might be due to the reload (?)
Sorry, I couldn't resist: I could imagine something else, if you handle
the security in your network always this way by posting your IP's and
communitys to the public and even worse, disregarding ANY of the basic
security pricinples like an ACL on snmp for public devices on not using
public as community at all, you shouldn't wonder that occassionally
something reloads or anything else strange happens in your network:
> snmpwalk 203.146.11.1 public system
system.sysDescr.0 = Cisco Internetwork Operating System Software
IOS (tm) 2500 Software (C2500-I-L), Version 11.2(10), RELEASE SOFTWARE
(fc1)
Copyright (c) 1986-1997 by cisco Systems, Inc.
Compiled Mon 10-Nov-97 16:51 by ckralik
...
Please note that not anybody reading this might be that nice and only
try one of the routers with getting the system-OID's, so first of all
you should go and fix your network-security right now !
Michael
-----Original Message-----
From: TS/9A (Metha T. 7359) [mailto:MethaT at arc.co.th]
Sent: Wednesday, April 30, 2003 11:28 AM
To: mrtg at list.ee.ethz.ch
Subject: [mrtg] Can MRTG make the switch reset ?
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charset="us-ascii"
Content-Transfer-Encoding: quoted-printable
Hello forum !
This is my strange story, I received the "SNMP
Authentication Failure" trap from the Linux machine running MRTG in my
AVAYA Cajun P882's event log. After that, I advice the MRTG's
administrator to correct the SNMP community string on the MRTG. But I
didn't exactly know how he change or what he change, suddenly after he
make change to MRTG the unexpected phenomenon occurred, my core switch
automatically reset. The following is the interesting message on HPOV at
the same time the core switch reset:=20
=20
- Critical Thu Apr 17 14:32:45 p882-north Possible device
reconfiguration. Interface to IfIndex have been remapped. You =20
may need to reconfigure any data collection on p882-north. The new
interface mappings are:\n'MOC1-T'(old=3D11, new=3D14), =
'MOC1-M'(old=3D12,
new=3D15), 'MOC1-D'(old=3D13, new=3D16), 'MOC2'(old=3D14, new=3D17),
'P334T-ROC1-T'(old=3D15, new=3D18), 'P334T-ROC1-M'(old=3D16, new=3D19),
'ROC2-T'(old=3D17, new=3D20), 'ROC2-P334T-D'(old=3D18, new=3D21), 'Port
4.1'(old=3D21, new=3D24), 'Port 4.2'(old=3D22, new=3D25), 'Port =
4.3'(old=3D23,
new=3D26), 'Port 4.4'(old=3D24, new=3D27), 'Port 4.5'(old=3D25, =
new=3D28), 'Port
4.6'(old=3D26, new=3D29), 'Port 4.7'(old=3D27, new=3D30), =
'BACKBONE_4_8'(old=3D28,
new=3D31), 'WH1-T_5.1'(old=3D31, new=3D34), 'WH1-D_5.2'(old=3D32, =
new=3D35),
'WH2_5.3'(old=3D33, new=3D36), 'CCB-D_5.4'(old=3D34, new=3D37),
'LAB_5.5'(old=3D35, new=3D38), 'ROC2-P334T-M'(old=3D36, new=3D39),
'CCB-T_5.7'(old=3D37, new=3D40), 'BACKBONE_5_8'(old=3D38, new=3D41),
'WH1-T_6.1'(old=3D41, new=3D44), 'WH1-D_6.2'(old=3D42, new=3D45),
'WH2_6.3'(old=3D43, new=3D46), 'CCB-D_6.4'(old=3D44, new=3D47)
=20
I also attached this e-mail with configuration file of the MRTG. Because
of I've no good knowledge enough on MRTG, please the forum to help me to
confirm either MRTG did the switch reset event or MRTG did not. Any
advice, tips, feedback, etc., would be greatly appreciated.
=20
Regards
MethaT.
=20
=20
=20
=20
=20
=20
=20
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