Question

IBM 8235 dial-back function fails in WinXP

Asked by: tanchunhan

We have a hardware RAS called IBM8235, which users dial in to gain access to our network.
This was setup during the win3.x-win95 era.

Dial-back function was enabled at the RAS along with the originator's telephone number.
Whenever a WinXP/2000 dials to the RAS, error 628 window appears after the
userid/password authentication. It seems that XP does not recognise the dail-back
method. The modem soon rang (dial-back by RAS), but it didn't manage
to accept the incoming connection.

Is there some configuration that has been left out? or it's an incompatibility
with the authentication method? Any help is appreciated.

regards
TCH

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Asked On
2004-03-05 at 08:18:10ID20908442
Tags

8235

,

ibm

Topic

Miscellaneous Networking

Participating Experts
1
Points
50
Comments
7

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Answers

 

by: joopvPosted on 2004-03-06 at 00:34:20ID: 10530027

The IBM 8235 originally is the Shiva Lanrover access server.

Dialback is, was and never will be supported for NT/W2k/XP operating systems.  It only worked with the larger Shiva Lanrover Access Switches (LRAS).

The smaller Lanrovers only support dialback using spap, and since Shiva wrote the dial-up networking for Windows 95/98 it worked fine with these OS'es.  But Microsoft choosed not to support spap in NT and higher.  Shiva supported both spap and mscbcp in the LRAS series.

http://www.intel.com/support/si/dial/etplus/index.htm

 

by: tanchunhanPosted on 2004-03-07 at 06:42:55ID: 10534896

Thanks for the info joopv!

I've found some info from the microsoft website (URL below):
http://www.microsoft.com/resources/documentation/WindowsServ/2003/enterprise/proddocs/en-us/Default.asp?url=/resources/documentation/WindowsServ/2003/enterprise/proddocs/en-us/sag_RASS_clients_VPN.asp

They mentioned that SPAP was supported on WinXP's VPN client, is there additional
protocols required to be installed for this to work?

regards
TCH

 

by: joopvPosted on 2004-09-30 at 22:42:25ID: 12197488

Sorry - You can't use a VPN client for dialup networking, so this article is of little use to your problem.

 

by: joopvPosted on 2004-10-27 at 08:14:33ID: 12423115

>I would appreciate any comments by the experts that would help me in making a recommendation.

Well - there was only one expert involved in this question, and while his answer was probably not satisfying for the asker, it is the correct and only possible one.

20120131-EE-VQP-002

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