Allied Telesis AR300 series - Manual
Allied Telesis AR300 series – Manual, read for free online in PDF format. We hope this helps you resolve any issues you may have. If you have further questions, please contact us through the contact form.
Table of Contents:
- Page 2 – How to troubleshoot ISDN; At the command prompt, enter the command:; where
- Page 5 – show lapd; command. If the value shown in the TEI Mode column is; Step 3: Are ISDN calls connecting successfully?
- Page 6 – The Duration column; How To Configure; The Cause column; A cause code number, indicating the reason for the call closure.
- Page 8 – Other tips for testing ISDN connections; show ppp
C613-16030-00 REV B
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How To |
Introduction
Ideally, setting up an ISDN connection is very much a straightforward process:
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Connect the router to the ISDN network interface.
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Configure ISDN call definitions on the router. See
How To Configure ISDN Calls On Allied
Telesis Routers
, available from
www.alliedtelesis.com/resources/literature/howto.aspx
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Send traffic.
However, for one reason or another, there are occasions when the setup process is not as
smooth as it should be.
So if you have set up your router to communicate over ISDN, but the setup does not appear
to be working, this How To Note contains some steps you can take to try and resolve the
problem.
Which products does it apply to?
This configuration applies to the following Allied Telesis routers and switches, when a BRI or
PRI interface is installed in the base unit or through a PIC:
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AR300 series routers
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AR400 series routers
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AR700 series routers
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Rapier series switches
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Rapier i series switches
Related How To Notes
You also may find the following How To Notes useful:
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How To Configure ISDN Calls On Allied Telesis Routers
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How To Configure Common ISDN Access Concentration With The Firewall
How To Notes are available from
www.alliedtelesis.com/resources/literature/howto.aspx
Troubleshoot ISDN Connections
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Summary
2 How to troubleshoot ISDN Step 1: Is the router communicating with the ISDN network at the signalling level? When the router is connected to the ISDN network, either by plugging it into an NT1 if the router has an S/T interface, or by plugging it directly into the ISDN network if the router has a U...
5 If the LAPD is not alive, the reason could be one of the following: 1. The TEI mode has been set incorrectly. On a Basic Rate interface, the TEI mode ought to be automatic, so that the router does not mandate a TEI value to the switch, but will automatically accept whatever value is assigned by th...
6 When it comes to diagnosing an ISDN connection, the two most important columns in this table are Duration and Cause. The Duration column The Duration column tells you immediately whether or not the call ever connected. If the entry in this column is CLEARED, then the call never connected. If the e...
