Remote Access using ISDN with CISCO 876

Answered Question

Hi everybody,


I need to set up a dial up connection between to PC's at different sites. It should be a "classic" dial up connection (not using the internet) using ISDN.

I got a 876 router that provides the ISDN port on one side and a LAN interface on the other side. So physically the connection is no problem. However, configuring the 876 causes headache. Can anybody help?


Ulrich

Correct Answer by phausner about 7 years 1 month ago

Hi Ulrich,


the ISD interface on the 876 is a full featured ISDN BRI. So you are able to use it as a backup or classical dial-in/out interface. However you need to have the ADVANCED IP SERVICES feature set to make it a standard interface. Once you have ensured this you can use any dial-config example like

http://www.cisco.com/en/US/tech/tk801/tk133/technologies_configuration_example09186a0080093c2e.shtml


Hope this helps!


Regards

PHilipp

Correct Answer by paolo bevilacqua about 7 years 4 months ago

The commands are the same as with any other router, "configuring DDR". You can try yourself, and get more headache, or engange a professional that knows how to do it, and enjoy life again.


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Hi p.bevilacqua,


thanks a lot for your reply.

What I mean with "headache" is that I don't have a real idea how to start. I mean, the 876 has an ISDN port as a backup for the dsl interface. And the ISDN port can be used for maintenance purposes. So both, dial.in and dial-out should be possible on this port. But there's not so much about this in the documentation. And there's nothing about a dial-up connection without tunneling through the internet.


These are some reasons why I'm stuck and get headache L.



Ulrich

Correct Answer
paolo bevilacqua Tue, 01/12/2010 - 04:12
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The commands are the same as with any other router, "configuring DDR". You can try yourself, and get more headache, or engange a professional that knows how to do it, and enjoy life again.


Please remember to rate useful posts clicking on the stars below.

paolo bevilacqua Mon, 01/11/2010 - 12:51
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What do you mean headache ? Have you configured DDR before ?

Correct Answer
phausner Thu, 04/29/2010 - 01:31
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Hi Ulrich,


the ISD interface on the 876 is a full featured ISDN BRI. So you are able to use it as a backup or classical dial-in/out interface. However you need to have the ADVANCED IP SERVICES feature set to make it a standard interface. Once you have ensured this you can use any dial-config example like

http://www.cisco.com/en/US/tech/tk801/tk133/technologies_configuration_example09186a0080093c2e.shtml


Hope this helps!


Regards

PHilipp

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