SUMMARY: Using ndd to reconfigure tcp/ip

From: Jim Napier (jnapier@soemail.ucsd.edu)
Date: Tue Jul 30 1996 - 09:12:06 CDT


I only got 2 responses to my post. The pointer to the Web site provided
some useful info on ndd options for /dev/tcp, but not a complete
summary. Thanks to Ken Simpson and Carlos Polanczyk for their replies.

<-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-<*>-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=->
  Jim Napier jnapier@soe.ucsd.edu
  Systems Administration (619)534-5212
  School of Engineering
  UC San Diego

    "Man is nature's way of demonstrating that a little knowledge can
     be dangerous."
<-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-<*>-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=->

My original post:

>This recent posting by damrong@suandok01.medicine.cmu.ac.th covers a
>problem I have occasionally with sendmail on a Sparc running Solaris
>2.4. While I'm glad that there is a potential solution, I'm very
>hesitant to apply these configuration changes to tcp without knowing
>exactly what they are doing and how it may affect other aspects of my
>networking. The man pages for ndd and tcp don't give sufficient
>insight and neither does the Solaris TCP/IP Network Administration
>Guide. Does anyone have any info on these parameters? Pointers to
>documentation would be very desirable for future reference. Thanks.
>

  
>From chaos@best.com Thu Jul 25 14:09 PDT 1996
>Return-Path: <chaos@best.com>
>From: Kenneth Simpson <chaos@best.com>
>To: jnapier@soemail.ucsd.edu (Jim Napier)
>Subject: Re: Using ndd to reconfigure tcp/ip
>X-Lines: 13
>
>Hi - there's a bug in Solaris 2.5 tcp implementation which calculates the
>the time out incorrectly (so the problem appears with remote sites and not
>local sites.) Rumor has it Sun has a patch out which corrects the problem.
>
>-- Ken
>========================================================================
>Kenneth Simpson Well Connected Computing
>Internet: ken@wellconnected.com 1001 Bridgeway, Suite 630
> chaos@best.com Sausalito, CA 94965
>POTS: +1.415.332.5018 USA, Earth
>========================================================================
>
> Every day is Earth day.
>

>From cap@santacasa.tche.br Thu Jul 25 14:34 PDT 1996
>Return-Path: <cap@santacasa.tche.br>
>From: Carlos Alexandre Polanczyk <cap@santacasa.tche.br>
>To: Jim Napier <jnapier@soemail.ucsd.edu>
>Cc: sun-managers@ra.mcs.anl.gov
>Subject: Re: Using ndd to reconfigure tcp/ip
>In-Reply-To: <9607251734.AA27346@soeadm>
>Mime-Version: 1.0
>X-Lines: 43
>
>
>Jim,
>
>In fact, the hole options of /dev/tcp I do not know, but there is a FAQ
>which explains some of them and the problem related to SENDMAIL
>
>http://www.fwi.uva.nl/pub/solaris/solaris2/
>ftp://ftp.fwi.uva.nl/pub/solaris
>
>questions: 5.17, 5.19 and 5.20
>
>That's all I know!
>
>+--------------------------------------------------------+
>| Carlos Alexandre Polanczyk (cap@santacasa.tche.br) |
>| Departamento de Informatica |
>| ISCMPA - Santa Casa de Porto Alegre |
>| Fone: (051) 228-1566 Ramal: 4070/4071 |
>| FAX : (051) 228-1566 Ramal: 3604 |
>+--------------------------------------------------------+
>
>



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