Undeliverable Mail


RDMAILER ($EMD000%SDSUMUS@CUNYVM.CUNY.EDU)
FRI 23 SEP 1988 15:15:09 CDT


The following errors occurred while attempting to send this mail file.

Best guess - SENDER is: TCP-IP @SRI-NIC.ARPA

*15.15.02 FROM: Invalid user/address string

----------------------------- ORIGINAL MESSAGE -------------------------------

Received: from ADMIN.BYU.EDU by SDSUVM.BITNET (Mailer X1.25) with BSMTP id
 0565; Fri, 23 Sep 88 15:15:18 CST
Received: by BYUADMIN (Mailer X1.25) id 9789; Fri, 23 Sep 88 13:59:46 MDT
Date: Thu, 15 Sep 88 18:39:09 GMT
Reply-To: <TCP-IP@SRI-NIC.ARPA>
Sender: "(TCP-IP ARPA Discussions)" <Sender: "(TCP-IP ARPA Discussions)" <TCPIP-L@BYUADMIN>
Comments: Warning -- original Sender: tag was tcp-ip-request@SRI-NIC.ARPA
From: Don Ferencz
              <cwjcc!cwsys3.cwru.Edu!ferencz@TUT.CIS.OHIO-STATE.EDU>
Subject: TCP/IP Broadcast Address & Wollongong WIN3B
X-To: tcp-ip@sri-nic.arpa
To: jeff consoer <To: jeff consoer <CC57000@SDSUMUS>

Hello again.

A short while back I posted a question pertaining to the "broadcast
address" of my particular TCP/IP version - Wollongong's Enhanced
WIN3B running on three AT&T 3B2/310's. I asked if anyone knew why all of
my attempts to change the broadcast address from a sockets application
(with the SIOCIFGBRDADDR ioctl) were failing with EINVAL. Well, many
people pointed out what should have been painfully obvious: that
version of TCP/IP is based on BSD4.2 Sockets, which does not support
a change of broadcast address! However, the #define for
SIOCIFGBRDADDR appears in the header file <ioctl.h>!!! My thanks
to all who responded, and my condolances to those who had wished to
do the same thing I did.

===========================================================================
| Don Ferencz | "All the world's indeed a stage\ |
| ferencz@cwsys3.cwru.EDU | And we are merely players\ |
| Dept of Systems Engineering | Performers and portrayers" |
| Case Wetsren Reserve University | -- Rush |
===========================================================================



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