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Network Support Encyclopedia 96-1
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lwg201.exe
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LWG201.TXT
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1994-05-26
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NOVELL TECHNICAL INFORMATION DOCUMENT
TITLE: LWG BOOTPD Abend, Invalid Semaphore to Kernel
DOCUMENT ID: TID200050
DOCUMENT REVISION: B
DATE: 26MAY94
ALERT STATUS: Yellow
INFORMATION TYPE: Symptom Solution
README FOR: LWG201.EXE
NOVELL PRODUCT and VERSION:
LAN WorkGroup 4.1
ABSTRACT:
This patch contains updates for the BOOTP.NLM and BOOTPFD.NLM for LAN
WorkGroup v4.1 This resolves problems with the file server abending when an
invalid semaphore is passed to the kernel and when the MacTCP stack is not
receiving the IP address for the BOOTP Server.
──────────────────────────────────────────────────────────────────────────────
DISCLAIMER
THE ORIGIN OF THIS INFORMATION MAY BE INTERNAL OR EXTERNAL TO NOVELL. NOVELL
MAKES EVERY EFFORT WITHIN ITS MEANS TO VERIFY THIS INFORMATION. HOWEVER, THE
INFORMATION PROVIDED IN THIS DOCUMENT IS FOR YOUR INFORMATION ONLY. NOVELL
MAKES NO EXPLICIT OR IMPLIED CLAIMS TO THE VALIDITY OF THIS INFORMATION.
──────────────────────────────────────────────────────────────────────────────
SYMPTOM
File server abends with an invalid semaphore being passed to the kernel.
SYMPTOM
If a router existed between the client and the BOOTP server, and the
BOOTP server was sending the reply from UDP port 68(Client port) instead
of port 67(Server port), the MacTCP stack was not receiving the IP
address from the BOOTP Server.
SOLUTION
Apply the LWG201.EXE patch to the LAN WorkGroup 4.1 software.
Self-Extracting File Name: LWG201.EXE Revision: B
Files Included Size Date Time
\
LWG201.TXT (This File)
BOOTPD.NLM 31452 04-15-94 4:59p
BOOTPFD.NLM 10261 04-15-94 5:42p
Installation Instructions:
1. On the LAN WorkGroup file server, rename the BOOTPD.NLM and
BOOTPFD.NLM files, located in the SYS:SYSTEM directory, to
BOOTPD.OLD and BOOTPFD.OLD.
2. Then copy the new BOOTP.NLM and BOOTPFD.NLM files into the
SYS:SYSTEM directory.
3. Reload the BOOTPD.NLM.
Solution Specifics:
The BOOTPD.NLM and the BOOTPFD.NLM version 4.12 will correct the
following problems:
1. The file server was abending with an invalid semaphore number being
passed to the kernel. The semaphore was opened after the UDP
registration. Moving the open semaphore statement in front of the
UDP registration resolved the problem.
2. The MacTCP stack was not receiving the IP address from the BOOTP
Server. This happened if a router existed between the client and
the BOOTP server, and the BOOTP server was sending the reply from
UDP port 68(Client port) instead of port 67(Server port). Sending
the reply from port 67 resolved the problem.
────────────────────────────────────────────────────────────────
Any trademarks referenced in this document are the property of their
respective owners. Consult your product manuals for complete trademark
information.
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