[cisco-voip] Avoid Clocking issues with PRI

[Ted Nugent]

I thought for sure I heard at a partners summit or networkers that
ISR2/VWIC3 no longer fall under those restrictions. Time to start scouring
my slides...

On Tue, Oct 16, 2012 at 5:44 PM, Steven Sarte <steven.sarte at gmail.com>wrote:

> Take a look at this white paper:
>
> http://www.cisco.com/en/US/prod/collateral/routers/ps5854/prod_white_paper0900aecd805b9915.html
>
> Under the section titled: Clocking and Timing Options
>
> Thanks,
> Steven
>
> On Tue, Oct 16, 2012 at 5:32 PM, Jason Aarons (AM)
> <jason.aarons at dimensiondata.com> wrote:
> > This doesn’t work when you have PRIs from different providers.
> >
> >
> >
> > The original VWIC2 has a single PLL and backplane could not clock from
> > multiple sources.
> >
> >
> >
> > From: cisco-voip-bounces at puck.nether.net
> > [mailto:cisco-voip-bounces at puck.nether.net] On Behalf Of Roger Wiklund
> > Sent: Tuesday, October 16, 2012 4:40 PM
> > To: Steven Sarte
> > Cc: cisco-voip at puck.nether.net
> > Subject: Re: [cisco-voip] Avoid Clocking issues with PRI
> >
> >
> >
> >
> >
> > Dunno about the NM, I just use network-clock-select 1 e1 x/y/z and
> > ensure you have clock source line. That's enough to keep it slips
> > free.
> >
> > Regards
> > Roger
> >
> > On Tue, Oct 16, 2012 at 10:28 PM, Steven Sarte <steven.sarte at gmail.com>
> > wrote:
> >> I have two SP's for my PRI's on a 2921 currenty using a
> >> VWIC3-4MFT-T1/E1. I opened a Cisco Partner case and they told me you
> >> can avoid timing slips by using a Network Module PRI, like a
> >> NM-HDV2-T1/E1 and a VWIC3-4MFT-T1/E1 in the WIC slots.
> >>
> >> Has anyone configured this before? What would the clocking
> >> configuration look like. I did open a Cisco TAC case but he was not
> >> very helpful in his first reply.
> >>
> >> Thanks in advance,
> >> Steven
> >> _______________________________________________
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> >
> >
> > itevomcid
>
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