Re: [tkined] IP discover hangs

Rob.Bangsund@mts.mb.ca
Thu, 9 Oct 1997 14:26:10 -0500

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I finally got past that point. I had to ignore some networks. Now
tkined places all the nodes but crashes whne it tries to draw the networks.
(too many???)
These networks are doing 1700 - 2000 nodes, 233 gateways, etc. I will
duplicate this weekend with debug on and post the results.

Regards,

---------------------- Forwarded by Rob Bangsund/MTSNet/MTS on 10/09/97
02:17 PM ---------------------------

(Embedded
image moved bchiou @ mitre.org
to file: 10/09/97 08:51 AM
PIC00604.PCX)

To: markh @ forcetech.com.au, Rob Bangsund/MTSNet/MTS
cc: tkined @ ibr.cs.tu-bs.de
Subject: Re: [tkined] IP discover hangs

Somehow the snmp query hangs with some routers. There were occasions that
my tkined process on SunOS successfully queried many routers but hanged
on a gateway. Unfortunately we couldn't put the sniffer in the network
to see what was going on.
Try tkined on different gateway to see if it hangs. Then try it with
the gateway which it hangs with sniffing tool. I suspected that the
tkined station and SNMP agent engages in a loop of communication.
Please let us know the result.
Bensen Chiou,
At 10:38 AM 10/9/97 +1000, Mark Harvey wrote:
>
>On Fri, 3 Oct 1997 Rob.Bangsund@mts.mb.ca wrote:
>
>>
>> Tried "snmp walk" as you suggested. Now ip_discover seems to hang after
> ^^^^^^^^^^^
>
>Sorry, I should have clarified this better. "snmpwalk" is from a different
>package. It is part of an SNMP agent package for Linux and is started by
>a normal /bin/bash, /bin/insert_your_shell_here etc.
>
>
>> Rob.Bangsund@mts.mb.ca wrote:
>> >
>> > I am currently using IPdiscover on our network. It seems to detect
>> > everything ok but the discover hangs after detecting the gateways.
>> >
>> > Running : Scotty 2.1.7
>> > Tkined 1.4.7
>> > Tnm 2.1.7
>> > Tcl 7.6
>> > Tk 4.2
>> >
>> > This is running on a Digital 3000 with Digital Unix 4.0b
>> >
>> > Some help would be appreciated.
>> >
>>
>> I hate to say it but... It also hangs for me.
>> Paltform Linux 2.0.31-prexxx.
>> TCL 7.5, TK 4.1
>>
>> It seems to hang waiting for SNMP responses.
>>
>> Lots of debug statments in ip_discover.tcl.
>>
>> At the statement "snmp wail" around line 361. This statment is called
> ^^^^^^^^^ oops should be "snmp wait"
>> however it does not come out.
>>
>> I would like to offer more however I'm very new to TCL/TK.
>>
>> Using "snmpwalk" etc everything is fine.
>>
>> Regards
>> Mark Harvey
>> Technical Support
>> Force Technology
>> --
>
>==========================================================================
>|Mark Harvey | Contrary to popular belief, UNIX is user friendly. |
>|Technical Support | It just happens to be selective about who it |
>|Force Technology | decides to make friends with. |
>+------------------------------------------------------------------------+
>|Voice: 61-2-94174477, Fax: 61-2-94173881, email: markh@forcetech.com.au |
>==========================================================================
>
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