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From: etstjan@dutepp0.et.tudelft.nl (Jan van Oorschot)
Newsgroups: comp.protocols.tcp-ip.ibmpc
Subject: Re: Clarkson Pkt Problem...
Message-ID: <.667906093@dutepp0>
Date: 2 Mar 91 09:28:13 GMT
References: <MOCK.91Feb27115357@watt.support.Corp.Sun.COM>
Sender: news@duteca
Distribution: comp
Lines: 37

mock@watt.support.Corp.Sun.COM (Joseph Mocker) writes:

Hi,

>I've been hacking around with the Clarkson Packet drivers for a bit and have
>been encountering a strange problem with them..

>I'm using the packet driver for the 3c503 (version 8.x).
>What I'm doing is putting the interface in a 'promiscuous' mode, by
>using set_rcv_mode(handle, 6) 
>My program runs for a while, then stops receiving packets from the
>packet driver....If I quit my program and restart it works for a while
>again; then stops....

>I seem to notice this when one machine sends MTU size packets in quick
>succession. 

>I have also noticed when using the NETCURE package...so I don't think it
>is something I'm doing in my program....

	We are the developers of NetCure / The Beholder, and have the same
	problems, but with the WD8003E driver, operating in 16-bit mode.
	The WD cards are the only ones we use. 
	In our case, the software keeps running, intil The Beholder starts
	sending packages itself on reply of a SNMP request. 
	The hangup seems to occur after a random period of time. The
	old WD driver (version 7.x) doesn't have this problem !
	I have downloaded the sources, but did not have the time to look
	in to it.

Jan


-- Ir. Jan van Oorschot.             --- Email: JPMvOorschot@et.tudelft.nl --
-- Data Network Performance Analysis Project                               --
-- CARDIT, Delft University of Technology ------------ Tel: (31)-15-786179 --
-- P.O.Box 5031, 2600 GA Delft, The Netherlands ------ Fax: (31)-15-784898 --