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

Ryan Huff ryanhuff at outlook.com
Sun Oct 11 12:53:00 EDT 2015


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
>>>>>>> 
>>>>>>> _______________________________________________
>>>>>>> cisco-voip mailing list
>>>>>>> cisco-voip at puck.nether.net
>>>>>>> https://puck.nether.net/mailman/listinfo/cisco-voip
>>>>> 
>>>>> _______________________________________________
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> 
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