Monitoring all Modem/ISDN ports of a Portmaster II

Walter Hafner (hafner@forwiss.tu-muenchen.de)
Fri, 11 Jul 1997 11:37:49 GMT

Hello,

first of all: I just installed tkined 1.4.5 and I'm not (yet) subscribed
to the mailing list. So please answer me via email. Thanks.

I'm currently investigating whether tkined does, what I want. I have a
Portmaster II here with 8 modems connected via the serial lines and 6
ISDN lines via the internal ISDN module. Now I want to monitor the
interface load on all the interfaces statically. I.e., if noone is
logged in, the load should be reported as zero.

However, I have considerable problems doing this.

First, I installed the livingston.mib file that came with the Portmaster
software. Then I tried the menu "Interface Load". Result: Abort with the
message: "ifSpeed = 0". I tried the SNMP tree and right:

ifSpeed.1 : 0
ifSpeed.11 : 0
ifSpeed.24 : 0

Great. Doesn't support the portmaster the "ifSpeed" variable? Well, as a
quick hack I patched snmp_monitor.tcl to report 64000 for all interfaces
(I just wanted to explore the functionality of the tool). Clicked on
"Interface Load". Result: Only the connected ports are shown. (I
suspected that when I saw the "ifSpeed" output.)

I checked the variables:

ifNumber.0 : 3

Hmmm, can't be ... As a second hack I patched the saved map to show
stripcharts of all interfaces. Tkined came up ok, but reported an error
("NoSuchInstance", if I remember correctly) for every inactive
interface. Furthermore, when a user disconnected, the stripchart (which
was correct before) showed the same error. When the line came up again,
tkined didn't notice. The error remained.

Is there any tool that does just what I want? To summarize, I need a Tcl
script, suitable for a tkined patch that does:
- show the stats of every interface of my portmaster.
- take the interface speed as a parameter.

Unfortunately, my Tcl is too limited to write such a script myself.

Thanks. Tkined is such a great tool. I only use it for 3 days now, but I
won't miss it anymore!

And finally something completely different: We have a Tektronix Phaser
540 here, unfortunately without appropriate MIB file. The printer
doesn't know any of the 'printerMIB' variables and I wasn't able to find
a Tektronix MIB file in any of the public archives. Can anyone provide
me with a MIB file? I monitor our HP printers via SNMP with great
success and I want to monitor the Tektronix the same way (I need at
least functionality analogue to the HP variables
gdStatusInterventionState and gdStatusPrinting)

Thanks,

-Walter

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