Re: high latency ds3 issue on unloaded line

[Jay Hennigan <jay () west net>]

John Lee wrote:
> Mike,
>
> Your latencies which suddenly appear for several hours and then go away and do this on a regular basis  sounds like a layer 2, facility switching 
> issue. As you indicated " the problem comes on during the day and then lets up late in the evening" sounds like the under lying facility is 
> being switched back around the "long side" of the SONET ring or other facility. Some carrier facilities are scheduled for "one path or 
> direction" say during the day that are supposed to be for lower latency time periods for interactive work and then switch for a lower cost, 
> higher latency path in the evening when computer to computer backups do not care. If you can plot the times the issues start and end and that these 
> occur daily during the week and not on weekends etc that would be a strong indicator.

For 1000 ms latencies, that would be a VERY long "long side".  I think 
there is something else going on here.

--
Jay Hennigan - CCIE #7880 - Network Engineering - jay () impulse net
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