Re: [mrtg] Determine daily traffic by s on 02/09/2012The rrdfetch will give you the average rate for that interval, in bits/sec If you multiply the returned value by the interval size The book covers the entire journey of data from your server's disk to the mind of the end-user explaining the critical bottlenecks along the way and providing practical solutions...https://books.google.com/books/about/Linux_Apache_MySQL_PHP_Performance_End_t.html?id=Z3ciBgAAQBAJ&utm_source=gb-gplus-shareLinux, Apache, MySQL, Does the "snmp-server ifindex persist" global configuration command ... [mrtg] ...MRTG intermittently recording zero values instead of valid values by Barron on 07/10/2010 ... Discover how SaaS/backoffice systems need a different performance strategy from public facing websites what the (currently undocumented) Zend Opcode Optimizer flags actually do how to automate content optimization how to tune http://bovbjerg.net/warning-cannot/warning-cannot-determine-ifnumber-for-public.php
Awesome Inc. I have recreated the cfg file = twice(with no problems and have also restarted this router. This is your problem.
Maybe a lifetime of 10*Refresh or somethinglike that would be more appropriate. Lately I noticedin some of them empty graphs on many of their interfaces. Re: [mrtg] Can not determine ifNumber for [emailprotected] by s on 17/03/2010> IF-MIB::ifDescr.0 = STRING: ppp0 ... > IF-MIB::ifDescr.15 = STRING: ppp0 > IF-MIB::ifDescr.16 = STRING: ppp0 > IF-MIB::ifDescr.17 = STRING: However, it would be good if the cachewould not be so persistent.
we have been unable to determine the root cause of the ... I ... 20:06: WARNING: = Can not determine ifNumber for = [emailprotected] ... 20:06: WARNING: = Can not determine ifNumber for = [emailprotected] ... 20:06: WARNING: = Can not determine ifNumber MarousiGR-151 24 Athens, HELLASPGP Key ID: 0x2EEFC190************************** Steve Shipway 2011-01-31 21:13:49 UTC PermalinkRaw Message > 2011-01-31 13:24:01: WARNING: Can not determine ifNumber for > ***@router:::2::1 ref: 'Ip' key: '10.126.37.1' This message MRTG has no way to uniquely identify which interface you want > to graph. > > The one (and only one) that's "up" of course. :-) > > > Many are
the max so it can determine percentage correctly. > Would be grateful ... There really ARE two interfaces with the same key. Thanks,-Yenya--| Jan "Yenya" Kasprzak
However, some switches I have (Cisco 3750, for example) also do not have contiguous interface numbering, and they work correctly with MRTG. When the .ok file is unavailable or empty, MRTG will walk the IF-MIB tree to read all the interface details which it then caches in the .ok file for next time remember how- how do you determine the version number of a ... Can one determine daily traffic with rrdfetch?
Subject: Re: [mrtg] Can not determine ifNumber and duplicate entries of ... navigate to this website My ... the max so it can determine percentage correctly. > Would be grateful ... Re: [mrtg] MRTG and bandwidth delay product by lyle on 31/12/2008 ...
The only way to verify this would be to take an SNMP walk of the IF-MIB now, remove the .ok file and let the system work for a bit, and when Re: [mrtg] Can not determine ifNumber and duplicate entries of IP-Ifindex at th by mchon on 01/02/2011 ... > Subject: Re: [mrtg] Can not determine ifNumber and duplicate entries of ... Re: [mrtg] Scaling The Graphs For More Meaningful Results by Barber on 08/01/2010 ... http://bovbjerg.net/warning-cannot/warning-cannot-determine-current-directory-csh.php Also, try using SNMPv2 and see if this gives a better result (have a :2 on the end of the Target definition where you currently have a :1) There is no
SNMPv2 isused in most of the cases (v1 is only used in some low capacity links upto 2mbits).About the permissions hack, I'm afraid that if mrtg is not caching thepolling time Re: [mrtg] mrtg-questions by nv on 09/12/2008 ... In this case tell me what exactly is against thestandards, so that I can fill a net-snmp bug report.My mgmt station is mrtg-2.14.5 on Gentoo x86_64.Thanks,-Yenya--| Jan "Yenya" Kasprzak
Aftersearching the logs I noticed errors like the following$mrtg router.cfg2011-01-31 13:24:01: WARNING: Can not determine ifNumber for***@router:::2::1 ref: 'Ip' key: '10.126.37.1'2011-01-31 13:24:01: WARNING: Can not determine ifNumber for***@router:::2::1 ref: 'Ip' key: Re: [mrtg] Scaling The Graphs For More Meaningful Results by trabe on 08/01/2010 ... Propulsé par WordPress. Re: [mrtg] Can not determine ifNumber for [emailprotected] by jay on 16/03/2010On 3/16/10 2:44 PM, Brian J.
Encoding: quoted-printable I cannot determine why this is happening. by Arvon on 15/09/2010 ... MRTG complains about vlan46 only.The problem occured after upgrading the router, so it may be thereis a bug in net-snmp. http://bovbjerg.net/warning-cannot/warning-cannot.php MarousiGR-151 24 Athens, HELLASPGP Key ID: 0x2EEFC190************************** Steve Shipway 2011-02-01 22:16:45 UTC PermalinkRaw Message Marinos said: > Yes, I have deleted several times the .ok files, in the next run mrtg
I was running 2.16.2 when the problemstarted and I have upgrade it to the latest 2.17.0 last week but with nochange in it's behaviour.MarinosOn 01/31/2011 11:13 PM, Steve Shipway wrote:>> 2011-01-31 In this case tell me what exactly is against the standards, so that I can fill a net-snmp bug report. GoldenLiving ! This should happen normally, but can sometimes get confused -- check you have the latest version of MRTG (or at least 2.16.2 ) Steve Steve Shipway ITS Unix Services Design Lead
Vlan devices gets destroyedand then created, and the interface numbering changes on many systems,not only on Linux with VLANs.-Yenya--Tobi Oetiker, OETIKER+PARTNER AG, Aarweg 15 CH-4600 Oltenhttp://tobi.oetiker.ch ***@oetiker.ch ++41 62 213 9902--Unsubscribe If all else fails you can use the interface number although this might produce invalid graphs if the device is reconfiguring numbers at a regular time.> > An unsupported hack that Re: [mrtg] Can not determine ifNumber for [emailprotected] by s on 17/03/2010> This was all working hunky-dory at one time, not too long ago. > > I assume the interface actually MRTG complains about vlan46 only.
I was running 2.16.2 when the problem> started and I have upgrade it to the latest 2.17.0 last week but with no> change in it's behaviour.> > Marinos-- **************************Marinos ChondrogiannoglouNetwork Management If ... protocol at this level to determine that parameter.=A0 I am ... Re: [mrtg] MRTG and bandwidth delay product by nv on 02/01/2009 ...
My ... However it may also result in a few error messages :(, and it will of course not work if you are running MRTG as root (but you're not doing that, are Re: [mrtg] Does MRTG allow checking what IP is using most of bandwidth? After removing *.ok filesthe problem disappeared.
Possibly, the file is somehow undeleteable or not updateable (check permissions)?> In this case, the solution is to DELETE THE .OK FILE, which will cause it to be re-created automatically with