[mrtg] Re: Monitoring on ATM Switch VC

[Grossman, Benjamin]

The Port Index (in our experience) varies depending on the version of the OS
your switch is running. This is in part because Marconi in earlier versions
made assumptions about the maximum number of ports a module could have based
on their product mix at that time. Then engineering started building boards
with more ports...
What version is your box running?

I use GetIF and the Fore MIB to figure out what is going on, personally.

-Benjamin

-----Original Message-----
From: Nelson Tseung [mailto:ntseung at yahoo.com.hk] 
Sent: Monday, April 19, 2004 8:45 AM
To: mrtg at list.ee.ethz.ch
Cc: Grossman, Benjamin
Subject: [mrtg] Monitoring on ATM Switch VC

Did anyone come across in searching port ID with Fore
ASX-1000 switch for OID value? 

Any ideas how to figure out? Is the port ID determined
by counting from the leftmost and topmost? Or there
are any more formal means? e.g. figure out through a
command at ATM switch. 

Since the ATM switch may mix with various type of
module, e.g. IME module or OC-12 module, counting may
not be a trivial or easy task when there are many ATM
switches to be worked with.

Rgds


 --- "Grossman, Benjamin"
<Benjamin.Grossman at METROKC.GOV> wrote: > Nelson-
> 
> Here is some of what you need to know on the Marconi
> side:
> (iekcls-bothell is an ASX-200bx ATM switch)
> You need to be aware that the OID changes based on
> the version of Marconi's
> FT software you are using...
> 
> #NOTE! any time iekcls-Bothell is rebooted the vci
> for the 1a4 interface
> (second variable last number) 
> #             may be changed, since the switch
> creates this as part of the
> spvcc set up
> #              connections channell sho 1a1  
> #			will show both the 1a1 (fixed) and 1a4
> (changeable)
> vci for each spvcc
> #
> #Created by 
> # Philip Attneave 1/08/02
> #	corrections for changed vc after reboots 4/15/2
> pha; 4/16/2; 4/17/2;
> 6/18/02
> #
> #-
> #   to use the port/vpi/vci schema described below
> #
> #  This file will let MRTG collect CELL counts for
> specific PVC's on I-Net
> switches.  
> #		*53 is used to convert this to byte counts...bits
> option can
> be added to this.
> #
> #	This monitors I-NET Backbone Bandwidth used for
> each virtual circuit
> pair.
> #
> #
> #	the general format for these calls is:
> #		
> .1.3.6.1.4.1.326.2.2.2.1.4.1.1.8.port.path.circuit
> #
> #	Where port is as follows for the BX200
> #		1a1  -> 0
> #		1a2  -> 1
> #		1a3  -> 2
> #		1a4  -> 3


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