(ASCEND) Re: ascend-users-digest V96 #1540

[Peter Lalor <plalor@infoasis.com>]

>From: Marcel Brown <marcelbrown@yahoo.com>
>
>- ---Peter Lalor <plalor@infoasis.com> wrote:
>> Check for frame slips. The problems I've had with Pipe 130s that fit
>your
>> description were clocking problems.
>
>What should I look for to find frame slips? What causes frame slips
>and how can they be fixed?

Sorry, I don't know how to see slips from the P130 side. We tracked 'em
down from the TNT side of the link.

Slips are caused by having routers and T1 lines taking their clock from
different locations.  We went over this awhile back. Search the archives
for "frame slips".

>It appears that this problem only seems to occur during heavier
>Internet traffic periods (around 7PM - 11PM). However, the router only
>shows Current Line Utilization and Average Line Utilization around
>10-20%. I remember I had to turn off STAC because the Pipe130 seemed
>to slow to a crawl when it reached about 15% CLU with it on. Could the
>Pipe simply be too big for it's britches? Are other people able to
>sustain good throughput at higher traffic levels with the 130's?

We get fine throughput on a P130 on a full Frame Relay T1. Compression is
unavailable when Encaps is FR(!), so that isn't an issue for us.

>It doesn't appear like normal traffic is affected too much (web
>browsing, etc), but you can really tell the difference when trying to
>play on-line games.

No online gamers on that P130, so dunno about that.

Peter Lalor           Infoasis
plalor@infoasis.com   http://www.infoasis.com/
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