Free Windows Help Tutorials sponsored by inkjet printer cartridges dot org /title> <META HTTP-EQUIV="imagetoolbar" CONTENT="no"> <META HTTP-EQUIV="Content-Type" CONTENT="text/html; CHARSET=ISO 8859-1"> <META name="description" Content="Hundreds of downloadable Windows help tutorials, articles and how-to guides sponsored by inkjet printer cartridges dot org."><style type="text/css">  </style> </head> <body bgcolor=#999999 vlink=blue link=blue> <span name = "INTRA" class="pg" style="top:0px; left:5px; width:714px; height:1010px"></span> <span name = "INTRA" style='top:0px; left:5px; height:1010px; width:714px' class='img'> <img src="pg0001im.png" height = "1010 width = "714" border="0"> </span> <span class='nav' style='left: 10px; top: 10px'><pre></pre></span><span name = "INTRA" style='top:51px; left:548px' class="ft5"><pre><font face='Helvetica'>Problem Solving:Hardware</font></pre></span> <span name = "INTRA" style='top:104px; left:170px' class="ft4"><pre><font face='Arial'><b>Troubleshooting</b></font></pre></span> <span name = "INTRA" style='top:154px; left:204px' class="ft4"><pre><font face='Arial'><b>Cisco</b> <b>Routers</b></font></pre></span> <span name = "INTRA" style='top:248px; left:110px' class="ft2"><pre><font face='Arial'><i><b>It's</b></i> <i><b>all</b></i> <i><b>too</b></i> <i><b>easy</b></i> <i><b>for</b></i> <i><b>a</b></i> <i><b>simple</b></i> <i><b>configuration</b></i> <i><b>error</b></i> <i><b>to</b></i> <i><b>lead</b></i> <i><b>to</b></i> <i><b>problems</b></i> <i><b>on</b></i> <i><b>a</b></i> <i><b>routed</b></i> <i><b>network.</b></i></font></pre></span> <span name = "INTRA" style='top:268px; left:119px' class="ft2"><pre><font face='Arial'><i><b>With</b></i> <i><b>a</b></i> <i><b>little</b></i> <i><b>knowledge,</b></i> <i><b>tracking</b></i> <i><b>down</b></i> <i><b>a</b></i> <i><b>fault</b></i> <i><b>on</b></i> <i><b>a</b></i> <i><b>Cisco</b></i> <i><b>router</b></i> <i><b>needn't</b></i> <i><b>be</b></i> <i><b>daunting.</b></i></font></pre></span> <span name = "INTRA" style='top:301px; left:576px' class="ft1"><pre><font face='Arial'>By Neil Briscoe</font></pre></span> <span name = "INTRA" style='top:385px; left:77px' class="ft0"><pre><font face='Arial'><b>I</b></font></pre></span> <span name = "INTRA" style='top:389px; left:96px' class="ft1"><pre><font face='Arial'>n PCNA 105 [File T1822] I wrote an</font></pre></span> <span name = "INTRA" style='top:389px; left:272px' class="ft1"><pre><font face='Arial'>cially if the site on which you're install </font></pre></span> <span name = "INTRA" style='top:389px; left:466px' class="ft1"><pre><font face='Arial'>vide the terminating electronics, either</font></pre></span> <span name = "INTRA" style='top:401px; left:96px' class="ft1"><pre><font face='Arial'>article about configuring Cisco</font></pre></span> <span name = "INTRA" style='top:401px; left:272px' class="ft1"><pre><font face='Arial'>ing it ordered the line from the telco</font></pre></span> <span name = "INTRA" style='top:401px; left:466px' class="ft1"><pre><font face='Arial'>built into your device or as an external</font></pre></span> <span name = "INTRA" style='top:413px; left:96px' class="ft1"><pre><font face='Arial'>routers. That article largely as </font></pre></span> <span name = "INTRA" style='top:413px; left:272px' class="ft1"><pre><font face='Arial'>months before they asked you to install</font></pre></span> <span name = "INTRA" style='top:413px; left:466px' class="ft1"><pre><font face='Arial'>extra. The device in question for ISDN2</font></pre></span> <span name = "INTRA" style='top:425px; left:77px' class="ft1"><pre><font face='Arial'>sumed that once you'd decided on the</font></pre></span> <span name = "INTRA" style='top:425px; left:272px' class="ft1"><pre><font face='Arial'>the routers to communicate over the</font></pre></span> <span name = "INTRA" style='top:425px; left:466px' class="ft1"><pre><font face='Arial'>lines in North America is called an</font></pre></span> <span name = "INTRA" style='top:437px; left:77px' class="ft1"><pre><font face='Arial'>equipment you required, and config </font></pre></span> <span name = "INTRA" style='top:437px; left:272px' class="ft1"><pre><font face='Arial'>link.</font></pre></span> <span name = "INTRA" style='top:437px; left:466px' class="ft1"><pre><font face='Arial'>NT1. Make sure it's either built into the</font></pre></span> <span name = "INTRA" style='top:449px; left:77px' class="ft1"><pre><font face='Arial'>ured it appropriately, you could plug</font></pre></span> <span name = "INTRA" style='top:449px; left:286px' class="ft1"><pre><font face='Arial'>In the United Kingdom, initial diag </font></pre></span> <span name = "INTRA" style='top:449px; left:466px' class="ft1"><pre><font face='Arial'>router you bought or go out and buy</font></pre></span> <span name = "INTRA" style='top:461px; left:77px' class="ft1"><pre><font face='Arial'>it into your network and your wide</font></pre></span> <span name = "INTRA" style='top:461px; left:272px' class="ft1"><pre><font face='Arial'>nosis is easy. The ISDN2 lines pro </font></pre></span> <span name = "INTRA" style='top:461px; left:466px' class="ft1"><pre><font face='Arial'>an external one.</font></pre></span> <span name = "INTRA" style='top:473px; left:77px' class="ft1"><pre><font face='Arial'>area</font></pre></span> <span name = "INTRA" style='top:473px; left:109px' class="ft1"><pre><font face='Arial'>connections</font></pre></span> <span name = "INTRA" style='top:473px; left:177px' class="ft1"><pre><font face='Arial'>and</font></pre></span> <span name = "INTRA" style='top:473px; left:206px' class="ft1"><pre><font face='Arial'>everything</font></pre></span> <span name = "INTRA" style='top:473px; left:272px' class="ft1"><pre><font face='Arial'>vided by any of the UK telcos end in a</font></pre></span> <span name = "INTRA" style='top:473px; left:480px' class="ft1"><pre><font face='Arial'>Similarly with X.21 links, at least</font></pre></span> <span name = "INTRA" style='top:485px; left:77px' class="ft1"><pre><font face='Arial'>would work nicely. That's the theory,</font></pre></span> <span name = "INTRA" style='top:485px; left:272px' class="ft1"><pre><font face='Arial'>termination box which contains a</font></pre></span> <span name = "INTRA" style='top:485px; left:466px' class="ft1"><pre><font face='Arial'>those over 64 Kbits/sec, the boxes pro </font></pre></span> <span name = "INTRA" style='top:497px; left:77px' class="ft1"><pre><font face='Arial'>but, as anyone who has ever done any</font></pre></span> <span name = "INTRA" style='top:497px; left:272px' class="ft1"><pre><font face='Arial'>green LED in roughly the centre of the</font></pre></span> <span name = "INTRA" style='top:497px; left:466px' class="ft1"><pre><font face='Arial'>vided in the UK by the telcos contain</font></pre></span> <span name = "INTRA" style='top:509px; left:77px' class="ft1"><pre><font face='Arial'>router configuration will tell you, the </font></pre></span> <span name = "INTRA" style='top:509px; left:272px' class="ft1"><pre><font face='Arial'>box. It's known as the Customer Con </font></pre></span> <span name = "INTRA" style='top:509px; left:466px' class="ft1"><pre><font face='Arial'>lights, all of which should actually be</font></pre></span> <span name = "INTRA" style='top:521px; left:77px' class="ft1"><pre><font face='Arial'>ory and practice are two parallel lines.</font></pre></span> <span name = "INTRA" style='top:521px; left:272px' class="ft1"><pre><font face='Arial'>fidence Light and, if it's lit, it is sup </font></pre></span> <span name = "INTRA" style='top:521px; left:466px' class="ft1"><pre><font face='Arial'>non illuminated, apart from the power</font></pre></span> <span name = "INTRA" style='top:533px; left:91px' class="ft1"><pre><font face='Arial'>If things do go wrong, hopefully the</font></pre></span> <span name = "INTRA" style='top:533px; left:272px' class="ft1"><pre><font face='Arial'>posed to indicate a functional line. My</font></pre></span> <span name = "INTRA" style='top:533px; left:466px' class="ft1"><pre><font face='Arial'>light. There are lights for self diagno </font></pre></span> <span name = "INTRA" style='top:545px; left:77px' class="ft1"><pre><font face='Arial'>tips and tricks in this article will help</font></pre></span> <span name = "INTRA" style='top:545px; left:272px' class="ft1"><pre><font face='Arial'>view is that it indicates an operational</font></pre></span> <span name = "INTRA" style='top:545px; left:466px' class="ft1"><pre><font face='Arial'>sis, network (by which it means the</font></pre></span> <span name = "INTRA" style='top:557px; left:77px' class="ft1"><pre><font face='Arial'>you isolate and fix the problem.</font></pre></span> <span name = "INTRA" style='top:557px; left:272px' class="ft1"><pre><font face='Arial'>line 99% of the time, since I have come</font></pre></span> <span name = "INTRA" style='top:557px; left:466px' class="ft1"><pre><font face='Arial'>telco network) and equipment (the</font></pre></span> <span name = "INTRA" style='top:569px; left:91px' class="ft1"><pre><font face='Arial'>As before, this article is for those</font></pre></span> <span name = "INTRA" style='top:569px; left:272px' class="ft1"><pre><font face='Arial'>across those situations where the LED</font></pre></span> <span name = "INTRA" style='top:569px; left:466px' class="ft1"><pre><font face='Arial'>CPE). If any of these is lit, there is a</font></pre></span> <span name = "INTRA" style='top:581px; left:77px' class="ft1"><pre><font face='Arial'>providing routed connections for their</font></pre></span> <span name = "INTRA" style='top:581px; left:272px' class="ft1"><pre><font face='Arial'>is lit but the line still doesn't work. You</font></pre></span> <span name = "INTRA" style='top:581px; left:466px' class="ft1"><pre><font face='Arial'>problem with either the box itself, an</font></pre></span> <span name = "INTRA" style='top:593px; left:77px' class="ft1"><pre><font face='Arial'>company, rather than those trou </font></pre></span> <span name = "INTRA" style='top:593px; left:272px' class="ft1"><pre><font face='Arial'>have to be sure of your diagnosis be </font></pre></span> <span name = "INTRA" style='top:593px; left:466px' class="ft1"><pre><font face='Arial'>inability to see the telco network, or an</font></pre></span> <span name = "INTRA" style='top:605px; left:77px' class="ft1"><pre><font face='Arial'>bleshooting Internet connection links </font></pre></span> <span name = "INTRA" style='top:605px; left:272px' class="ft1"><pre><font face='Arial'>fore you call the telco, though, since</font></pre></span> <span name = "INTRA" style='top:605px; left:466px' class="ft1"><pre><font face='Arial'>inability to see the router you think</font></pre></span> <span name = "INTRA" style='top:617px; left:77px' class="ft1"><pre><font face='Arial'>since the ISP will provide you with</font></pre></span> <span name = "INTRA" style='top:617px; left:272px' class="ft1"><pre><font face='Arial'>they will swear that if they find the</font></pre></span> <span name = "INTRA" style='top:617px; left:466px' class="ft1"><pre><font face='Arial'>you've just plugged into it. The same</font></pre></span> <span name = "INTRA" style='top:629px; left:77px' class="ft1"><pre><font face='Arial'>much assistance in getting your con </font></pre></span> <span name = "INTRA" style='top:629px; left:272px' class="ft1"><pre><font face='Arial'>fault is yours, you'll be charged. If, on</font></pre></span> <span name = "INTRA" style='top:629px; left:466px' class="ft1"><pre><font face='Arial'>box is used for Primary Rate Interface</font></pre></span> <span name = "INTRA" style='top:641px; left:77px' class="ft1"><pre><font face='Arial'>nection set up.</font></pre></span> <span name = "INTRA" style='top:641px; left:272px' class="ft1"><pre><font face='Arial'>the other hand, the light is out, head</font></pre></span> <span name = "INTRA" style='top:641px; left:466px' class="ft1"><pre><font face='Arial'>ISDN lines, and the same rules apply.</font></pre></span> <span name = "INTRA" style='top:653px; left:91px' class="ft1"><pre><font face='Arial'>One area where you have no control</font></pre></span> <span name = "INTRA" style='top:653px; left:272px' class="ft1"><pre><font face='Arial'>straight for the faults number. A non </font></pre></span> <span name = "INTRA" style='top:653px; left:480px' class="ft1"><pre><font face='Arial'>So, if you're in the UK, first, check</font></pre></span> <span name = "INTRA" style='top:665px; left:77px' class="ft1"><pre><font face='Arial'>whatsoever, other than in the ordering,</font></pre></span> <span name = "INTRA" style='top:665px; left:272px' class="ft1"><pre><font face='Arial'>lit LED means your line isn't going to</font></pre></span> <span name = "INTRA" style='top:665px; left:466px' class="ft1"><pre><font face='Arial'>you have a power light on the box, and</font></pre></span> <span name = "INTRA" style='top:677px; left:77px' class="ft1"><pre><font face='Arial'>is in the provision of the link itself.</font></pre></span> <span name = "INTRA" style='top:677px; left:272px' class="ft1"><pre><font face='Arial'>work, until the problem is resolved.</font></pre></span> <span name = "INTRA" style='top:677px; left:466px' class="ft1"><pre><font face='Arial'>then check that you have no other</font></pre></span> <span name = "INTRA" style='top:689px; left:77px' class="ft1"><pre><font face='Arial'>Once you've ordered it, your local tele </font></pre></span> <span name = "INTRA" style='top:689px; left:286px' class="ft1"><pre><font face='Arial'>In North America and other coun </font></pre></span> <span name = "INTRA" style='top:689px; left:466px' class="ft1"><pre><font face='Arial'>lights lit. If you do have other lights lit,</font></pre></span> <span name = "INTRA" style='top:701px; left:77px' class="ft1"><pre><font face='Arial'>phone company (telco) will send in</font></pre></span> <span name = "INTRA" style='top:701px; left:272px' class="ft1"><pre><font face='Arial'>tries, unfortunately, such initial diag </font></pre></span> <span name = "INTRA" style='top:701px; left:466px' class="ft1"><pre><font face='Arial'>for network, or electronics faults,</font></pre></span> <span name = "INTRA" style='top:713px; left:77px' class="ft1"><pre><font face='Arial'>their engineers to provide the link.</font></pre></span> <span name = "INTRA" style='top:713px; left:272px' class="ft1"><pre><font face='Arial'>nostics are not available at all, and so</font></pre></span> <span name = "INTRA" style='top:713px; left:466px' class="ft1"><pre><font face='Arial'>phone the telco and tell them.</font></pre></span> <span name = "INTRA" style='top:725px; left:77px' class="ft1"><pre><font face='Arial'>Once they've done their end to end</font></pre></span> <span name = "INTRA" style='top:725px; left:272px' class="ft1"><pre><font face='Arial'>you will only be able to rely on such</font></pre></span> <span name = "INTRA" style='top:725px; left:480px' class="ft1"><pre><font face='Arial'>If it's the CPE light that's lit, then</font></pre></span> <span name = "INTRA" style='top:737px; left:77px' class="ft1"><pre><font face='Arial'>tests (if it's a leased line) or made a</font></pre></span> <span name = "INTRA" style='top:737px; left:272px' class="ft1"><pre><font face='Arial'>diagnostics as your router may give</font></pre></span> <span name = "INTRA" style='top:737px; left:466px' class="ft1"><pre><font face='Arial'>initially you have to do some trou </font></pre></span> <span name = "INTRA" style='top:749px; left:77px' class="ft1"><pre><font face='Arial'>network call (if it's an ISDN line)</font></pre></span> <span name = "INTRA" style='top:749px; left:272px' class="ft1"><pre><font face='Arial'>you. The most important thing to re </font></pre></span> <span name = "INTRA" style='top:749px; left:466px' class="ft1"><pre><font face='Arial'>bleshooting yourself. Is your router</font></pre></span> <span name = "INTRA" style='top:761px; left:77px' class="ft1"><pre><font face='Arial'>they'll tell you that the line is ready for</font></pre></span> <span name = "INTRA" style='top:761px; left:272px' class="ft1"><pre><font face='Arial'>member there is that you have to pro </font></pre></span> <span name = "INTRA" style='top:761px; left:466px' class="ft1"><pre><font face='Arial'>plugged in? Have you switched it on?</font></pre></span> <span name = "INTRA" style='top:773px; left:77px' class="ft1"><pre><font face='Arial'>you to plug your Customer Premises</font></pre></span> <span name = "INTRA" style='top:785px; left:77px' class="ft1"><pre><font face='Arial'>Equipment (CPE) into.</font></pre></span> <span name = "INTRA" style='top:797px; left:91px' class="ft1"><pre><font face='Arial'>Normally, once they've done that,</font></pre></span> <span name = "INTRA" style='top:809px; left:77px' class="ft1"><pre><font face='Arial'>they'll expect you to prove that any</font></pre></span> <span name = "INTRA" style='top:804px; left:305px' class="ft3"><pre><font face='Arial'><i> There</i> <i>are</i> <i>lights</i> <i>for</i> <i>self diagnosis,</i></font></pre></span> <span name = "INTRA" style='top:821px; left:77px' class="ft1"><pre><font face='Arial'>faults you might find are theirs rather</font></pre></span> <span name = "INTRA" style='top:833px; left:77px' class="ft1"><pre><font face='Arial'>than yours.</font></pre></span> <span name = "INTRA" style='top:828px; left:298px' class="ft3"><pre><font face='Arial'><i>network</i> <i>(by</i> <i>which</i> <i>it</i> <i>means</i> <i>the</i> <i>telco</i></font></pre></span> <span name = "INTRA" style='top:859px; left:77px' class="ft2"><pre><font face='Arial'><i><b>ISDN</b></i></font></pre></span> <span name = "INTRA" style='top:852px; left:302px' class="ft3"><pre><font face='Arial'><i>network)</i> <i>and</i> <i>equipment</i> <i>(the</i> <i>CPE).</i></font></pre></span> <span name = "INTRA" style='top:881px; left:91px' class="ft1"><pre><font face='Arial'>Let's start with ISDN Basic Rate In </font></pre></span> <span name = "INTRA" style='top:876px; left:284px' class="ft3"><pre><font face='Arial'><i>If</i> <i>any</i> <i>of</i> <i>these</i> <i>is</i> <i>lit,</i> <i>there</i> <i>is</i> <i>a</i> <i>problem</i> <i>. </i></font></pre></span> <span name = "INTRA" style='top:894px; left:77px' class="ft1"><pre><font face='Arial'>terfaces. In my experience, these are</font></pre></span> <span name = "INTRA" style='top:906px; left:77px' class="ft1"><pre><font face='Arial'>the biggest cause of problems espe </font></pre></span> <span name = "INTRA" style='top:946px; left:52px' class="ft1"><pre><font face='Arial'>Issue 107 (May 1999) page 3</font></pre></span> <span name = "INTRA" style='top:946px; left:617px' class="ft1"><pre><font face='Arial'>File: P1405.1</font></pre></span> <span name = "INTRA" style='top:944px; left:261px' class="ft3"><pre><font face='Arial'><i>PC</i> <i>Network</i> <i>Advisor</i></font></pre></span> <span name = "INTRA" class='nav' style='left: 357px; top: 1010px'><pre>Next page <a href='page0002.htm'>></a></pre></span> <span name = "INTRA" style='top:1050px; left:50px' class="ft4"><pre><b><font color="#FF0000" size="3" face="Arial">New!</font><font color="#FF0000" size="3" face="Arial Narrow"> </font><font size="2" face="Arial">The best sites for quality <a href="http://www.inkjet-printer-cartridges.org">inkjet printer cartridges</a> and the best sites for <a href="http://www.cheap-inkjet-cartridges.com">cheap inkjet cartridges</a></font></b></pre></span></body> <span name = "INTRA" style='top:1100px; left:300px' class="ft4"><pre><b><font color="#FF0000" size="3" face="Arial"><a href="../index.html">Windows Help Desk Home</a> </font></b></pre></span></body></html>