[cisco-voip] slips on NIM-8MFT-T1/E1

Sun Oct 11 17:02:28 EDT 2015

The slips cleared up and I am not sure why.... it may be that there are no
calls on them...

Thanks!

Jonathan

On Sun, Oct 11, 2015 at 3:23 PM, Ryan Huff <ryanhuff at outlook.com> wrote:

> 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.
>
> 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.
>
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> *card type t1 0 2!isdn switch-type primary-ni!network-clock synchronization automaticnetwork-clock synchronization participate 0/2!voice-card 0/2  dsp services dspfarm!controller T1 0/2/0  framing esf  linecode b8zs!*
>
> *  clock source line primary*
>
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> *  network-clock input-source 1 controller t1 0/2/0  cablelength long 0db  pri-group timeslots 1-24 voice-dsp!interface Serial0/2/0:23  encapsulation hdlc  isdn switch-type primary-ni  no cdp enable!*
>
> *rthlabrtr# show network-clocks synchronization*
> *Symbols: En - Enable, Dis - Disable, Adis - Admin Disable *
> *NA - Not Applicable *
> ** - Synchronization source selected *
> *# - Synchronization source force selected *
> *& - Synchronization source manually switched *
>
> *Automatic selection process : Enable*
> *Equipment Clock : 2048 (EEC-Option1)*
> *Clock Mode : QL-Disable*
> *ESMC : Disabled*
> *SSM Option : 1 *
> *T1 : 0/2/0*
> *Hold-off (global) : 300 ms*
> *Wait-to-restore (global) : 300 sec*
> *Tsm Delay : 180 ms*
> *Revertive : No*
>
> *Nominated Interfaces*
>
> *Interface SigType Mode/QL Prio QL_IN ESMC Tx ESMC Rx*
> *Internal NA NA/Dis 251 QL-SEC NA NA *
> **T1 0/2/0 NA NA/Dis 1 QL-SEC NA NA*
>
> Sent from my iPad
>
> On Oct 11, 2015, at 3:15 PM, Jonathan Charles <jonvoip at gmail.com> wrote:
>
> I think the automatic already handles that....
>
> ILNOVOIPISR01(config)#network-clock synchronization participate 0/1
> Slot 0 subslot 1 is already enabled for network clocking. Command Aborted.
> ILNOVOIPISR01(config)#
>
>
>
> Jonathan
>
> On Sun, Oct 11, 2015 at 12:41 PM, Ryan Huff <ryanhuff at outlook.com> wrote:
>
>> I'm assuming you also have *network-clock synchronization participate
>> 0/1* in your configuration?
>>
>>
>> ------------------------------
>> Date: Sun, 11 Oct 2015 12:31:05 -0500
>> Subject: Re: [cisco-voip] slips on NIM-8MFT-T1/E1
>> From: jonvoip at gmail.com
>> To: ryanhuff at outlook.com
>> CC: nateccie at gmail.com; cisco-voip at puck.nether.net
>>
>>
>> ILNOVOIPISR01#show platform hardware subslot 0/1 module device
>> networkclock
>>
>>  primary clock 0, secondary clock 255, ntwk_clk_selected Yes,
>> ntwk_clk_participate Yes, current clock = 0
>> PLL status= 1, and cntl = 17
>>
>>
>> ILNOVOIPISR01#
>>
>>
>> ILNOVOIPISR01#show platform hardware subslot 0/2 module device
>> networkclock
>>
>>  primary clock 0, secondary clock 255, ntwk_clk_selected No,
>> ntwk_clk_participate Yes, current clock = 0
>> PLL status= 1, and cntl = 7
>>
>>
>> ILNOVOIPISR01#
>>
>>
>>
>> Jonathan
>>
>> On Sun, Oct 11, 2015 at 11:53 AM, Ryan Huff <ryanhuff at outlook.com> wrote:
>>
>> What is the output of *show platform hardware subslot 0/1 module device
>> networkclock*
>>
>> assuming the slot/subslot of the desired line clock is on 0/1
>>
>> Sent from my iPad
>>
>> On Oct 11, 2015, at 12:42 PM, Jonathan Charles <jonvoip at gmail.com> wrote:
>>
>> Yeah, but I can't enable it:
>>
>>
>> ILNOVOIPISR01(config)#network-clock participate 0
>> G.781 based clock selection process is enabled Please unconfigure G.781
>> based configuration before configuring network-clock participate config
>> command
>> ILNOVOIPISR01(config)#network-clock participate 1
>> G.781 based clock selection process is enabled Please unconfigure G.781
>> based configuration before configuring network-clock participate config
>> command
>> ILNOVOIPISR01(config)#
>>
>>
>>
>> Jonathan
>>
>> On Sun, Oct 11, 2015 at 8:58 AM, Ryan Huff <ryanhuff at outlook.com> wrote:
>>
>> Although it appears you have it enabled, not having the *network-clock
>> participation *set correctly will render the *network-clock
>> synchronization* ineffective for the NIM with the port your trying to
>> clock source on.
>>
>>
>> http://www.cisco.com/c/en/us/support/docs/routers/4000-series-integrated-services-routers/118792-config-isr-00.html
>>
>> Sent from my iPad
>>
>> On Oct 11, 2015, at 1:18 AM, Jonathan Charles <jonvoip at gmail.com> wrote:
>>
>> I put the primary in and set the input source... still getting slips...
>>
>>
>> Jonathan
>>
>> On Sat, Oct 10, 2015 at 11:08 PM, Ryan Huff <ryanhuff at outlook.com> wrote:
>>
>> 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).
>>
>> Using your slot reference ...
>>
>> *rtr(config)# network-clock participation 0/1*
>> *rtr(config)# network-clock synchronization automatic*
>> *rtr(config)# **controller t1 0/1/0*
>> *rtr(config)# clock source line primary*
>> *rtr(config)# network-clock input-source 1 controller t1 0/1/0*
>>
>> I have also found this guide to be useful:
>> http://www.cisco.com/c/en/us/td/docs/routers/access/4400/feature/guide/isr4400netclock.html#pgfId-1023586
>>
>> Thanks,
>>
>> Ryan
>>
>> Sent from my iPad
>>
>> On Oct 10, 2015, at 10:49 PM, Jonathan Charles <jonvoip at gmail.com> wrote:
>>
>> ILVOIPISR01(config)#network-clock input-source 1 controller T1 0/1/0
>> % The clock source should be "line"
>>
>> They are all set to line... however:
>>
>>
>>
>> Why does it say internal:
>>
>> ILNOVOIPISR01#show network-clocks synchronization
>> Symbols:     En - Enable, Dis - Disable, Adis - Admin Disable
>>              NA - Not Applicable
>>              *  - Synchronization source selected
>>              #  - Synchronization source force selected
>>              &  - Synchronization source manually switched
>>
>> Automatic selection process : Enable
>> Equipment Clock : 2048 (EEC-Option1)
>> Clock Mode : QL-Disable
>> ESMC : Disabled
>> SSM Option : 1
>> T0 : Internal
>> Hold-off (global) : 300 ms
>> Wait-to-restore (global) : 300 sec
>> Tsm Delay : 180 ms
>> Revertive : No
>>
>> Nominated Interfaces
>>
>>  Interface            SigType     Mode/QL      Prio  QL_IN  ESMC Tx  ESMC
>> Rx
>> *Internal             NA          NA/Dis       251   QL-SEC    NA
>>  NA
>> ILNOVOIPISR01#
>>
>>
>>
>>
>> Jonathan
>>
>> On Sat, Oct 10, 2015 at 9:11 PM, NateCCIE . <nateccie at gmail.com> wrote:
>>
>> 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.
>>
>>
>>
>> I am sorry if I am just behind everyone else and you’ve already done T1s
>> on an ISR4k
>>
>>
>>
>>
>> http://www.cisco.com/c/en/us/support/docs/routers/4000-series-integrated-services-routers/118792-config-isr-00.html
>>
>>
>>
>> I think this is right:
>>
>>
>>
>> controller T1 0/1/0
>>
>> framing esf
>>
>> clock source line primary
>>
>> linecode b8zs
>>
>> cablelength long 0db
>>
>> pri-group timeslots 1-24
>>
>> !
>>
>> controller T1 0/1/1
>>
>> framing esf
>>
>> clock source line secondary
>>
>> linecode b8zs
>>
>> cablelength long 0db
>>
>> pri-group timeslots 1-24
>>
>>
>>
>> network-clock synchronization automatic
>>
>> network-clock input-source 1 controller T1 0/1/0
>>
>> network-clock input-source 2 controller T1 0/1/1
>>
>>
>> Thanks,
>>
>> -Nate
>>
>> On Sat, Oct 10, 2015 at 4:01 PM, Jonathan Charles <jonvoip at gmail.com>
>> wrote:
>>
>> We have two NIM-8MFT-T1/E1s in a router for PRI termination...
>>
>> 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.
>>
>> We are seeing slips on all T1s.
>>
>> This is a Ciisco 4351.
>>
>> We have network-clock synchronization automatic, and I cannot find any
>> better config....
>>
>> All T1s are configured as B8ZS, ESF, Clock Source Line...
>>
>>
>> controller T1 0/1/0
>>  framing esf
>>  linecode b8zs
>>  cablelength long 0db
>>  pri-group timeslots 1-24
>> !
>>
>>
>> Any ideas?
>>
>>
>>
>> Jonathan
>>
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>>
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>>
>>
>>
>>
>
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