Lucent DSL MAX 20 packet loss

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Hi there


We have three Lucent DSL MAX 20 connected to a Cisco switch. There are also
some other network devices and a linux box connected to the same switch. If
I am pinging to or from one of the three Lucent devices I have packet loss.
Pinging from and to the other devices connected to the switch works without
any packet loss. The switch and cables have already been replaced. On the
switch I see that on the fastethernet interfaces on which these three
Lucents are connected, the number of CRCs is constantly increasing. I also
noticed, that if there are more active DSL connections on the Lucent DSL
device there is more packet loss and more CRCs. There are two SDSL-16 cards
in each of the three DSL MAX 20 which allow 32 SDSL connections per device.
On one device we have 28 active connections and there is about 4% packet
loss. On the second Lucent there are 20 connections and there is about 1%
packet loss. On the third Lucent there is no active connection but still 1%
packet loss.

I have looked at all config options on the Lucents but did not find
anything that could solve this packet loss problem. Is there any known
hardware problem with this Lucent DSL MAX 20 devices? Could it be a wrong
setting on the device configuration? Or what else could cause this problem?


Thanks, Daniel
 

justme007

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Apr 15, 2007
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This topic is *very* old, however, hopefully you get a message saying the thread has been updated, and come online to respond.

I was curious if you ever figured out the problem with this issue, and how you were able to resolve it.. if at all.

The only suggestion I could provide is trying a different switch... since that seems to be a relatively easy thing to swap out for another brand... you could even try a cascaded switch that connects to the dslam dsl max boxes, and then daisy chain a connection to the other switch. I would suggest trying a different brand of switch for sure, to help rule out brand compatibility issues as well.

ttyl, and hopefully you respond to this :p
 

riser

Illustrious
Daniel Eyholzer

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Since: Sep 30, 2004
Posts: 1

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