Date: Mon, 17 May 93 04:30:15 PDT
From: Advanced Amateur Radio Networking Group <tcp-group@ucsd.edu>
Errors-To: TCP-Group-Errors@UCSD.Edu
Reply-To: TCP-Group@UCSD.Edu
Precedence: Bulk
Subject: TCP-Group Digest V93 #127
To: tcp-group-digest
TCP-Group Digest Mon, 17 May 93 Volume 93 : Issue 127
Today's Topics:
BPQ
Ethernet Card driver (2 msgs)
Extra bytes from BPQ
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----------------------------------------------------------------------
Date: Mon May 17 10:27:54 1993
From: iiitac@pyr.swan.ac.uk
Subject: BPQ
To: tcp-group@ucsd.edu
I got a reply from G8BPQ. It does indeed add two extra bytes which are
used to negotiate some extra parameters. He made no comment on whether
this is precisely in the spec, merely observing that BPQ works with
everything else he has ever come across.
I think that the answer is the one line fix for WAMPES to allow extra
private trailing bytes on the connect, and to be done with it. It's
only changing an == to a < after all.
Alan
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Date: Mon, 17 May 93 00:24:17 EDT
From: crompton@NADC.NAVY.MIL (D. Crompton)
Subject: Ethernet Card driver
To: tcp-group@ucsd.edu
Can anyone tell me if we have a driver that will work with a Systek
ethernet card. The one I have is dated 1987, is 16 bit, has a number
of a003700-01 rev J. It is a full card 32K of ram (16 wide) both
AUI and BNC. I have FTP written, Systek labeled TCP/IP SW for it.
Has anyone used one of thes with NOS? I do not believe I hve seen a
Sytek driver. It uses a DP8390/91 chip set.
Doug
------------------------------
Date: Mon, 17 May 93 00:24:17 EDT
From: crompton@NADC.NAVY.MIL (D. Crompton)
Subject: Ethernet Card driver
To: tcp-group@ucsd.edu
Can anyone tell me if we have a driver that will work with a Systek
ethernet card. The one I have is dated 1987, is 16 bit, has a number
of a003700-01 rev J. It is a full card 32K of ram (16 wide) both
AUI and BNC. I have FTP written, Systek labeled TCP/IP SW for it.
Has anyone used one of thes with NOS? I do not believe I hve seen a
Sytek driver. It uses a DP8390/91 chip set.
Doug
------------------------------
Date: Sun, 16 May 93 19:45:47 GMT
From: g4klx@g4klx.demon.co.uk (Jonathan Naylor)
Subject: Extra bytes from BPQ
To: TCP-Group@ucsd.edu
Hi All
I saw John today at the RSGBs NEC show. I asked him for some information
regarding the extra bytes that he appends to the Connect Request and Connect
Acknowledge NET/ROM frames.
Connect Request
---------------
The extra two bytes are the Transport Layer timeout of the NET/ROM connection
in seconds in Intel byte order.
Connect Acknowledge
-------------------
The extra byte is the time to live of the Connect Acknowledge frame as it
appears in the NET/ROM Network Layer. This is to allow the receiving station
to calculate the number of hops that the Connect Acknowledge frame has passed
through.
John is currently looking into extending the AX25 frame numbering to be able
to allow the maximum window size to be increased considerably. In line with
normal practise he will be using the SABM-E frame to indicate the use of this
extension.
Disclaimer: All the good ideas are Johns, any mistakes and/or
mis-representations are mine :-)
Jonathan
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End of TCP-Group Digest V93 #127
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