<html><head><meta http-equiv="content-type" content="text/html; charset=utf-8"></head><body dir="auto"><div>Here is the relevant portion of a isr4k humming along as we speak, with no clock slippage (excuse the scrunchiness of the output, SSHTerm on my iPad is limited and there is a Rocky marathon on TV ... so I ain't moving ;) ). Granted, this is one PRI and not 10 in two different modules but the concept should be the same.</div><div><br></div><div>The other thought I'd have is to make sure you are giving your desired clock interface the higher priority and not to have two clock sources at the same priority as this can cause issues with switch messaging.</div><div><br></div><div><pre style="margin-top: 10px; margin-bottom: 10px; padding: 0px 0px 5px; border: 0px; line-height: inherit; vertical-align: baseline; overflow: auto; max-width: 97%; height: auto;"><font face="UICTFontTextStyleTallBody"><span style="white-space: normal; background-color: rgba(255, 255, 255, 0);"><i>card type t1 0 2<br>!<br>isdn switch-type primary-ni<br>!<br>network-clock synchronization automatic<br>network-clock synchronization participate 0/2<br>!<br>voice-card 0/2<br> dsp services dspfarm<br>!<br>controller T1 0/2/0<br> framing esf<br> linecode b8zs<br>!</i></span></font></pre><pre style="margin-top: 10px; margin-bottom: 10px; padding: 0px 0px 5px; border: 0px; line-height: inherit; vertical-align: baseline; overflow: auto; max-width: 97%; height: auto;"><font face="UICTFontTextStyleTallBody"><span style="white-space: normal; background-color: rgba(255, 255, 255, 0);"><i> clock source line primary</i></span></font></pre><pre style="margin-top: 10px; margin-bottom: 10px; padding: 0px 0px 5px; border: 0px; line-height: inherit; vertical-align: baseline; overflow: auto; max-width: 97%; height: auto;"><font face="UICTFontTextStyleTallBody"><span style="white-space: normal; background-color: rgba(255, 255, 255, 0);"><i> network-clock input-source 1 controller t1 0/2/0<br> cablelength long 0db<br> pri-group timeslots 1-24 voice-dsp<br>!<br>interface Serial0/2/0:23<br> encapsulation hdlc<br> isdn switch-type primary-ni<br> no cdp enable<br>!<br></i></span></font></pre><p style="margin: 0px 0px 6px; padding: 0px; border: 0px; line-height: 1.25em; vertical-align: baseline;"><font color="#000000"><span style="background-color: rgba(255, 255, 255, 0);"><i><a class="auto_toc_anchor" name="anc16" style="margin: 0px; padding: 0px; border: 0px; font-variant: inherit; line-height: inherit; vertical-align: baseline;"></a></i></span></font></p></div><div><div><i>rthlabrtr# show network-clocks synchronization</i></div><div><i>Symbols: En - Enable, Dis - Disable, Adis - Admin Disable </i></div><div><i>NA - Not Applicable </i></div><div><i>* - Synchronization source selected </i></div><div><i># - Synchronization source force selected </i></div><div><i>& - Synchronization source manually switched </i></div><div><i> </i></div><div><i>Automatic selection process : Enable</i></div><div><i>Equipment Clock : 2048 (EEC-Option1)</i></div><div><i>Clock Mode : QL-Disable</i></div><div><i>ESMC : Disabled</i></div><div><i>SSM Option : 1 </i></div><div><i>T1 : 0/2/0</i></div><div><i>Hold-off (global) : 300 ms</i></div><div><i>Wait-to-restore (global) : 300 sec</i></div><div><i>Tsm Delay : 180 ms</i></div><div><i>Revertive : No</i></div><div><i> </i></div><div><i>Nominated Interfaces</i></div><div><i> </i></div><div><i>Interface SigType Mode/QL Prio QL_IN ESMC Tx ESMC Rx</i></div><div><i>Internal NA NA/Dis 251 QL-SEC NA NA </i></div><div><i>*T1 0/2/0 NA NA/Dis 1 QL-SEC NA NA</i> </div><div> </div><div>Sent from my iPad</div></div><div><br>On Oct 11, 2015, at 3:15 PM, Jonathan Charles <<a href="mailto:jonvoip@gmail.com">jonvoip@gmail.com</a>> wrote:<br><br></div><blockquote type="cite"><div><div dir="ltr"><div>I think the automatic already handles that....</div><div><div><br></div><div>ILNOVOIPISR01(config)#network-clock synchronization participate 0/1 </div><div>Slot 0 subslot 1 is already enabled for network clocking. Command Aborted.</div><div>ILNOVOIPISR01(config)#</div><div><br></div></div><div><br></div><div><br></div><div>Jonathan</div></div><div class="gmail_extra"><br><div class="gmail_quote">On Sun, Oct 11, 2015 at 12:41 PM, Ryan Huff <span dir="ltr"><<a href="mailto:ryanhuff@outlook.com" target="_blank">ryanhuff@outlook.com</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">
<div><div dir="ltr">I'm assuming you also have <em>network-clock <strong>synchronization</strong> participate 0/1</em> in your configuration?<br><br> <br><div><hr>Date: Sun, 11 Oct 2015 12:31:05 -0500<br>Subject: Re: [cisco-voip] slips on NIM-8MFT-T1/E1<br>From: <a href="mailto:jonvoip@gmail.com" target="_blank">jonvoip@gmail.com</a><br>To: <a href="mailto:ryanhuff@outlook.com" target="_blank">ryanhuff@outlook.com</a><br>CC: <a href="mailto:nateccie@gmail.com" target="_blank">nateccie@gmail.com</a>; <a href="mailto:cisco-voip@puck.nether.net" target="_blank">cisco-voip@puck.nether.net</a><div><div class="h5"><br><br><div dir="ltr"><div>ILNOVOIPISR01#show platform hardware subslot 0/1 module device networkclock</div><div><br></div><div> primary clock 0, secondary clock 255, ntwk_clk_selected Yes, ntwk_clk_participate Yes, current clock = 0</div><div>PLL status= 1, and cntl = 17 </div><div><br></div><div><br></div><div>ILNOVOIPISR01#</div><div><br></div><div><div><br></div><div>ILNOVOIPISR01#show platform hardware subslot 0/2 module device networkclock</div><div><br></div><div> primary clock 0, secondary clock 255, ntwk_clk_selected No, ntwk_clk_participate Yes, current clock = 0</div><div>PLL status= 1, and cntl = 7 </div><div><br></div><div><br></div><div>ILNOVOIPISR01#</div></div><div><br></div><div><br></div><div><br></div><div>Jonathan</div></div><div><br><div>On Sun, Oct 11, 2015 at 11:53 AM, Ryan Huff <span dir="ltr"><<a href="mailto:ryanhuff@outlook.com" target="_blank">ryanhuff@outlook.com</a>></span> wrote:<br><blockquote style="padding-left:1ex;border-left-color:rgb(204,204,204);border-left-width:1px;border-left-style:solid"><div dir="auto"><div>What is the output of <span style="background-color:rgba(255,255,255,0)"><i><span style="padding:0px;border:0px currentColor;line-height:inherit;overflow:visible;vertical-align:baseline">show platform hardware subslot </span><code style="padding:0px;border:0px currentColor;line-height:inherit;overflow:visible;vertical-align:baseline">0/1 </code><span style="padding:0px;border:0px currentColor;line-height:inherit;overflow:visible;vertical-align:baseline">module device networkclock</span></i></span><br><br>assuming the slot/subslot of the desired line clock is on 0/1<br><br>Sent from my iPad</div><div><div><div><br>On Oct 11, 2015, at 12:42 PM, Jonathan Charles <<a href="mailto:jonvoip@gmail.com" target="_blank">jonvoip@gmail.com</a>> wrote:<br><br></div><blockquote><div><div dir="ltr">Yeah, but I can't enable it:<div><br></div><div><div><br></div><div>ILNOVOIPISR01(config)#network-clock participate 0 </div><div>G.781 based clock selection process is enabled Please unconfigure G.781 based configuration before configuring network-clock participate config command</div><div>ILNOVOIPISR01(config)#network-clock participate 1 </div><div>G.781 based clock selection process is enabled Please unconfigure G.781 based configuration before configuring network-clock participate config command</div><div>ILNOVOIPISR01(config)#</div></div><div><br></div><div><br></div><div><br></div><div>Jonathan</div></div><div><br><div>On Sun, Oct 11, 2015 at 8:58 AM, Ryan Huff <span dir="ltr"><<a href="mailto:ryanhuff@outlook.com" target="_blank">ryanhuff@outlook.com</a>></span> wrote:<br><blockquote style="padding-left:1ex;border-left-color:rgb(204,204,204);border-left-width:1px;border-left-style:solid"><div dir="auto"><div>Although it appears you have it enabled, not having the <i>network-clock participation </i>set correctly will render the <i>network-clock synchronization</i> ineffective for the NIM with the port your trying to clock source on.</div><div><br></div><div><a href="http://www.cisco.com/c/en/us/support/docs/routers/4000-series-integrated-services-routers/118792-config-isr-00.html" target="_blank">http://www.cisco.com/c/en/us/support/docs/routers/4000-series-integrated-services-routers/118792-config-isr-00.html</a></div><div><br></div><div><div>Sent from my iPad</div></div><div><div><div><br>On Oct 11, 2015, at 1:18 AM, Jonathan Charles <<a href="mailto:jonvoip@gmail.com" target="_blank">jonvoip@gmail.com</a>> wrote:<br><br></div><blockquote><div><div dir="ltr">I put the primary in and set the input source... still getting slips...<div><br></div><div><br></div><div>Jonathan</div></div><div><br><div>On Sat, Oct 10, 2015 at 11:08 PM, Ryan Huff <span dir="ltr"><<a href="mailto:ryanhuff@outlook.com" target="_blank">ryanhuff@outlook.com</a>></span> wrote:<br><blockquote style="padding-left:1ex;border-left-color:rgb(204,204,204);border-left-width:1px;border-left-style:solid"><div dir="auto"><div>This is how I've setup clocking on 4th gens before, and it always seems to use the line as the clock source when I have done it this way (network clock synchronization is disabled by default, so you may double check that it is enabled). </div><div><br></div><div>Using your slot reference ...</div><div><br></div><div><i style="background-color:rgba(255,255,255,0)">rtr(config)# network-clock participation 0/1</i></div><div><i>rtr(<span style="background-color:rgba(255,255,255,0)">config)# </span>network-clock synchronization automatic</i></div><div><i style="background-color:rgba(255,255,255,0)">rtr(config)# </i><i>controller t1 0/1/0</i></div><div><i><span style="background-color:rgba(255,255,255,0)">rtr(config)# </span>clock source line primary</i></div><div><i><span style="background-color:rgba(255,255,255,0)">rtr(config)# </span>network-clock input-source 1 controller t1 0/1/0</i></div><div><br></div><div>I have also found this guide to be useful: <a href="http://www.cisco.com/c/en/us/td/docs/routers/access/4400/feature/guide/isr4400netclock.html#pgfId-1023586" target="_blank">http://www.cisco.com/c/en/us/td/docs/routers/access/4400/feature/guide/isr4400netclock.html#pgfId-1023586</a></div><div><br></div><div>Thanks,</div><div><br></div><div>Ryan</div><div><br><div>Sent from my iPad</div></div><div><div><div><br>On Oct 10, 2015, at 10:49 PM, Jonathan Charles <<a href="mailto:jonvoip@gmail.com" target="_blank">jonvoip@gmail.com</a>> wrote:<br><br></div><blockquote><div><div dir="ltr"><div>ILVOIPISR01(config)#network-clock input-source 1 controller T1 0/1/0 </div><div>% The clock source should be "line"</div><div><br></div><div>They are all set to line... however:</div></div></div></blockquote><br><blockquote><div><div dir="ltr"><div><br></div><div>Why does it say internal:</div><div><br></div><div><div>ILNOVOIPISR01#show network-clocks synchronization </div><div>Symbols: En - Enable, Dis - Disable, Adis - Admin Disable </div><div> NA - Not Applicable </div><div> * - Synchronization source selected </div><div> # - Synchronization source force selected </div><div> & - Synchronization source manually switched </div><div><br></div><div>Automatic selection process : Enable</div><div>Equipment Clock : 2048 (EEC-Option1)</div><div>Clock Mode : QL-Disable</div><div>ESMC : Disabled</div><div>SSM Option : 1 </div><div>T0 : Internal </div><div>Hold-off (global) : 300 ms</div><div>Wait-to-restore (global) : 300 sec</div><div>Tsm Delay : 180 ms</div><div>Revertive : No</div><div><br></div><div>Nominated Interfaces</div><div><br></div><div> Interface SigType Mode/QL Prio QL_IN ESMC Tx ESMC Rx</div><div>*Internal NA NA/Dis 251 QL-SEC NA NA </div><div>ILNOVOIPISR01#</div></div><div><br></div><div><br></div><div><br></div><div><br></div><div>Jonathan</div></div><div><br><div>On Sat, Oct 10, 2015 at 9:11 PM, NateCCIE . <span dir="ltr"><<a href="mailto:nateccie@gmail.com" target="_blank">nateccie@gmail.com</a>></span> wrote:<br><blockquote style="padding-left:1ex;border-left-color:rgb(204,204,204);border-left-width:1px;border-left-style:solid"><div dir="ltr"><p><span style="color:rgb(31,73,125)">Cisco changed everything
again. If you remember network-clock select with ISR G1, or the
AIM-VOICE-30… When those first came out clocks were slipping all over the place
with clock source line, because that wasn’t enough.</span></p>
<p><span style="color:rgb(31,73,125)"> </span></p>
<p><span style="color:rgb(31,73,125)">I am sorry if I am just behind
everyone else and you’ve already done T1s on an ISR4k</span></p>
<p><span style="color:rgb(31,73,125)"> </span></p>
<p><span style="color:rgb(31,73,125)"><a href="http://www.cisco.com/c/en/us/support/docs/routers/4000-series-integrated-services-routers/118792-config-isr-00.html" target="_blank">http://www.cisco.com/c/en/us/support/docs/routers/4000-series-integrated-services-routers/118792-config-isr-00.html</a></span></p>
<p><span style="color:rgb(31,73,125)"> </span></p>
<p><span style="color:rgb(31,73,125)">I think this is right:</span></p><span>
<p><span style="color:rgb(31,73,125)"> </span></p>
<p><span style="color:rgb(31,73,125)">controller T1 0/1/0</span></p>
<p><span style="color:rgb(31,73,125)">framing esf</span></p>
</span><p><span style="color:rgb(31,73,125)">clock source line primary</span></p><span>
<p><span style="color:rgb(31,73,125)">linecode b8zs</span></p>
<p><span style="color:rgb(31,73,125)">cablelength long 0db</span></p>
<p><span style="color:rgb(31,73,125)">pri-group timeslots 1-24</span></p>
<p><span style="color:rgb(31,73,125)">!</span></p>
</span><p><span style="color:rgb(31,73,125)">controller T1 0/1/1</span></p>
<p><span style="color:rgb(31,73,125)">framing esf</span></p>
<p><span style="color:rgb(31,73,125)">clock source line secondary</span></p><span>
<p><span style="color:rgb(31,73,125)">linecode b8zs</span></p>
<p><span style="color:rgb(31,73,125)">cablelength long 0db</span></p>
<p><span style="color:rgb(31,73,125)">pri-group timeslots 1-24</span></p>
<p><span style="color:rgb(31,73,125)"> </span></p>
</span><p><span style="color:rgb(31,73,125)">network-clock synchronization
automatic</span></p>
<p><span style="color:rgb(31,73,125)">network-clock input-source 1
controller T1 0/1/0</span></p>
<p><span style="color:rgb(31,73,125)">network-clock input-source 2
controller T1 0/1/1</span></p><p><span style="color:rgb(31,73,125)"><br></span></p><p><span style="color:rgb(31,73,125)">Thanks,</span></p><p><font color="#1f497d">-Nate</font></p></div><div><br><div><div><div>On Sat, Oct 10, 2015 at 4:01 PM, Jonathan Charles <span dir="ltr"><<a href="mailto:jonvoip@gmail.com" target="_blank">jonvoip@gmail.com</a>></span> wrote:<br></div></div><blockquote style="padding-left:1ex;border-left-color:rgb(204,204,204);border-left-width:1px;border-left-style:solid"><div><div><div dir="ltr">We have two NIM-8MFT-T1/E1s in a router for PRI termination...<div><br></div><div>On one of the 8-port cards, we have 7 PRIs in the same trunk group, on the other, 3 PRIs in the same trunk group.</div><div><br></div><div>We are seeing slips on all T1s.</div><div><br></div><div>This is a Ciisco 4351.</div><div><br></div><div>We have network-clock synchronization automatic, and I cannot find any better config....</div><div><br></div><div>All T1s are configured as B8ZS, ESF, Clock Source Line...</div><div><br></div><div><div><br></div><div>controller T1 0/1/0</div><div> framing esf</div><div> linecode b8zs</div><div> cablelength long 0db</div><div> pri-group timeslots 1-24</div><div>!</div></div><div><br></div><div><br></div><div>Any ideas?</div><span><font color="#888888"><div><br></div><div><br></div><div><br></div><div>Jonathan</div></font></span></div>
<br></div></div>_______________________________________________<br>
cisco-voip mailing list<br>
<a href="mailto:cisco-voip@puck.nether.net" target="_blank">cisco-voip@puck.nether.net</a><br>
<a href="https://puck.nether.net/mailman/listinfo/cisco-voip" rel="noreferrer" target="_blank">https://puck.nether.net/mailman/listinfo/cisco-voip</a><br>
<br></blockquote></div><br></div>
</blockquote></div><br></div>
</div></blockquote><blockquote><div><span>_______________________________________________</span><br><span>cisco-voip mailing list</span><br><span><a href="mailto:cisco-voip@puck.nether.net" target="_blank">cisco-voip@puck.nether.net</a></span><br><span><a href="https://puck.nether.net/mailman/listinfo/cisco-voip" target="_blank">https://puck.nether.net/mailman/listinfo/cisco-voip</a></span><br></div></blockquote></div></div></div></blockquote></div><br></div>
</div></blockquote></div></div></div></blockquote></div><br></div>
</div></blockquote></div></div></div></blockquote></div><br></div></div></div></div> </div></div>
</blockquote></div><br></div>
</div></blockquote></body></html>