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MPR161.TXT
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1993-10-04
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NOVELL TECHNICAL INFORMATION DOCUMENT
TITLE: MPR 2.0 / WAN Links 2.0 Maintenance PTF
DOCUMENT ID: TID200005
DOCUMENT REVISION: A
DATE: 04OCT93
ALERT STATUS: Yellow
INFORMATION TYPE: Symptom Solution
README FOR: MPR161.EXE
NOVELL PRODUCT and VERSION:
NetWare MultiProtocol Router 2.0
WAN Links 2.0
ABSTRACT:
This is the README file for MPR161 which is a consolidation of all patches
and fixes for both MPR 2.0 and WAN Links 2.0. It is separated into 4
parts, each part dealing with one or more of the files included in the
MPR161.EXE file.
_________________________________________________________________
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
Previous versions of PINSTALL.NLM caused the server to abend when
installing MPR 2.0 or WAN Links 2.0 from the B drive.
The version of PINSTALL.NLM that is included with this maintenance PTF does
not abend the server.
PINSTALL.NLM resides on both the diskette labeled MPR-1 (for the MPR 2.0
product) and the diskette labeled WAN-1 (for the WAN Links 2.0 product.)
SOLUTION
PINSTALL.NLM is loaded and run from the diskette. Therefore, the fix for
this symptom is to make a copy of the diskette, copy the new version of
PINSTALL.NLM on to the copy diskette and then install from the copy
diskette.
SYMPTOM
On both MPR 2.0 and WAN Links 2.0, previous versions of RIPENH.NLM would
crash if LSLENH.NLM was loaded.
The version of RIPENH.NLM that is included with this maintenance PTF can
test to see if LSLENH.NLM and avoid the interaction with LSLENH.NLM that
caused the crash.
On both MPR 2.0 and WAN Links 2.0, previous versions of INETCFG.NLM did not
allow the configuration of NetFrame drivers.
The version of INETCFG.NLM that is included with this maintenance PTF will
configure NetFrame drivers.
SOLUTION
The fix for these symptoms is to copy RIPENH.NLM and INETCFG.NLM to the
\SYSTEM directory of the server.
SYMPTOM
On WAN Links 2.0, using previous versions of PPP.LAN (for PPP connections)
the following seven symptoms exist:
1. On WAN Links 2.0, using previous versions of PPP.LAN, IP could not
establish a PPP connection between a WellFleet or Hewlett Packard router
and WAN Links.
While attempting the IP connection, LCP negotiation proceeds as expected.
During IPCP negotiation:
- WAN Links sends a null config-request which WellFleet acks.
- WellFleet (or HP) then sends a config-request including an IP Address
option.
- WAN Links responds with a config-reject as expected.
- Upon receipt of MPR's config-reject, WellFleet issues an IPCP term-ack,
then resends a null IPCP config-request.
- WAN Links acks the config-request, but never sends another IPCP
config-request of its own.
- This resulted in a half open IPCP connection.
2. On WAN Links 2.0, using previous versions of PPP.LAN, during LCP
negotiation Link/PPP proposes a magic number configuration which is
rejected by NAT Routers. Once Link/PPP removes magic number from the
configuration request the connection is successfully established.
The removal of the magic number from the configuration request causes
Link/PPP to ignore the Echo Request Generation parameter (if configured by
the end user.) Instead it disables Echo Request Generation which will
prevent the detection of a failing remote peer.
3. On WAN Links 2.0, using previous versions of PPP.LAN, PPP would not load
unless the CSL version number and revision letter exactly matched the
version/revision expected by PPP.
PPP.LAN has been changed so that:
- The first number must still match that expected.
- Numbers to the right of the first number will be noted and if different
than expected result (signifying a minor change) in a warning to the system
console without loading being impeded.
- The letter signifying revision will be ignored.
This change will allow the use of updates of CSL including the new CSL
which ship with NetWare for SAA 1.3. You MUST use the version of PPP.LAN
that is included with this maintenance PTF if you will be using WAN Links
2.0 with NetWare for SAA 1.3 or higher.
4. On WAN Links 2.0, using previous versions of PPP.LAN, diagnostic testing
from the remote using "LCP Discard Requests" resulted in ALL subsequent
frames being discarded.
5. On WAN Links 2.0, using previous versions of PPP.LAN, clocking was not
provided for users who wanted to test the link with V.35 null modem
cables.
6. On WAN Links 2.0, using previous versions of PPP.LAN, PPP had a feature
which attempted to determine when a protocol not supported by the remote
router was being used. Upon receiving notification of protocol rejection,
PPP no longer attempts to negotiate the use of the unsupported protocol.
7. On WAN Links 2.0, using previous versions of PPP.LAN, the RS422 support
logic in Link/PPP did not properly assert DTR. Link/PPP was developed
using a mis-wired version of the Newport Systems RS-422 cable which
returned an asserted DSR even though DTR was unasserted.
When a correctly wired cable is used all connection attempts fail with a
console message similar to the following:
"Attempt to manually create a call using destination record <record name>
because the database entry references a board/port not currently loaded"
TROUBLESHOOTING
The follow applies only to the symptom #7 above.
Both the mis-wired and correctly wired cables have part #826-170-0001). To
identify properly wired cables:
- Connect a X.21 conversion cable to port one of the RS-422 cable.
- Use a ohmmeter at the adapter end (62 pin) of the RS-422 cable to check
for continuity between pins 5 and 23 and between pins 2 and 46.
If each of the pin pairs are connected, the cable is the new properly wired
version. The new cable will work with after application of this PTF.
If there is continuity between pin 2 and pin 5 of the 62 pin connector the
cable is the old mis-wired version. To correct the cable, pin 12 and pin
30 should be swapped at *each* 37 pin RS-422 connector. Once this is done
repeat the tests described above.
SOLUTION
The fix for these symptoms is to copy PPP.LAN to the \SYSTEM directory of
the server.
SYMPTOM
On WAN Links 2.0, using previous versions of NXAM.NLM and NXDRV.NLM (for
X.25 connections):
- there was no support for adapter memory above 1M
- there was no support system memory above 16M ; there is now support up to
32M
- problems occurred when unloading SNMP.NLM
SOLUTION
The fix for these symptoms is to copy NXAM.NLM and NXDRV.NLM to the \SYSTEM
directory of the server.
Self-Extracting File Name: MPR161.EXE Revison: A
Files Included: Size Date
\
MPR161.TXT (This File)
PINSTALL.NLM 23431 04-01-93
RIPENH.NLM 3533 12-09-92
INETCFG.NLM 100764 05-06-93
PPP.LAN 71817 04-07-93
NXAM.NLM 44176 03-01-93
NXDRV.NLM 20322 03-01-93
Installation Instructions:
PINSTALL.NLM:
1. Make copies of your MPR 2.0 or WAN Links 2.0 diskettes.
2. In the copy diskette labelled MPR-1 (or WAN-1), replace PINSTALL.NLM
with the file from MPR161.EXE.
3. Follow the normal installation instructions given in the manual to
install MPR or WAN Links.
RIPENH.NLM, INETCFG.NLM:
Copy RIPENH.NLM and INETCFG.NLM to the \SYSTEM directory of the server.
Down and bring the server back up.
PPP.LAN:
Copy PPP.LAN to the \SYSTEM directory of the server. Down and bring the
server back up to re-initialize the router.
NXAM.NLM, NXDRV.NLM:
Copy NXAM.NLM and NXDRV.NLM to the \SYSTEM directory of the server. Down
and bring the server back up to re-initialize the router.
Patch History:
The INETCFG.NLM in this PTF supersedes the one found in PTF141.
The PPP.LAN in this PTF supersedes PTF374.