Re: (ASCEND) GURUS: max 4000 ISDN connection STALLING! help

[Peter Lalor <plalor@infoasis.com>]

>From: Adam Neat <adamneat@ipax.com.au>
>
>we have a client using a max 4048 connecting to us (6.1.4+) over 256K ISDN.

Presumably as four DS0s on an E1...

>When the link is running hot at 80 - 100% utilisation, the link seems to
>stall. The Maxes (we have one on our end too) still keep the line up (4 B
>channels) but there is no traffic. We cant transfer any data between the
>two nodes.

I've seen saturated ISDN lines cause extremely slow throughput and loss. I
imagine that the same occurs with any link. You can only stuff so much
through a pipe of a given size.

>Its only during their peak times (the client is an ISP) with high
>utilisation.
>
>They are really having a hard time with it and their customers are getting
>tired of hte problem.

One could say they need a bigger pipe...

If I discovered that my ISP was running a saturated 256k ISDN line...
they'd be my ISP no more.

>We've had the Telco's out checking the lines and all sorts of things.
>
>On our side, we have about 30 other connections on this particular router
>on our end, and they are all running with no probs.

Try toggling LQM. Be sure the settings are the same at each end.

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