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 . <natec...@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 <jonv...@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@puck.nether.net >> https://puck.nether.net/mailman/listinfo/cisco-voip >> >> >
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