During the last week, my cable modem for Cox Cable loses its Internet
connection about once or twice a day. When troubleshooting, the light
that indicates the cable connection on the Linksys modem, model
"BEFCMU10", is not illuminated. If I reboot the modem, it comes up
fine and I get adequate speeds through the connection. After calling
Cox, the only thing they can offer is a service call for which I will
be charged if it turns out that the problem is after their connection.

I have also noticed a slight degradation in the analog TV signal from
Cox during the last week as well.

Should I just go ahead and replace the modem to see if that makes a
difference? It would be less than the service call.

Suggestions please.

FYI, my Visualware Speed Connection test is:

Test Type:      Application Speed
Location:       USA: Dulles, Virginia
Download Speed: 24652 Kbps
Upload Speed:   3380 Kbps
Speed Consistency:      80 %
Round Trip Time:        15 ms
Max Delay:      77 ms
Average Delay:  5 ms
Bandwidth:      24652 Kbps
Max Route Speed:        34952 Kbps
Route Concurrency:      1

2 connection problems found, click the  to learn more.

MSTR01: The data flow for this test is too erratic

Although the speed achieved may match expectation for the connection,
a low data flow QoS score means that the data flow between the server
and the workstation was not consistent. There can be several reasons
for this such as data congestion along the route or data loss which
invokes recovery. The lower the QoS percentage, the more erratic the
data flow. Many applications can be severely affected by poor data
flow quality regardless of data throughput speed, for example media
applications such as video or voice may become jerky. Voice (VoIP)
telephony will become garbled. If you suspect that the connection was
in use by another application try running the test again to validate
if the problem is persistent.

 MSMD01: TCP is waiting too long for data

The test recorded a TCP maximum delay that exceeded the natural TCP
forced idle delay as a result of the connection's trip time. This
indicates that there may be problems with consistent data flow between
the server and the client. A poor data flow QoS reading is also likely
if the max TCP delay is much higher in comparisons to the trip time.
Common reasons for this type of problem are packet loss and
duplicates. The test graph view will show the TCP delay over the time
of the test. Height and width of the 'orange' delay line shows the
delay consistency.

Thanks in advance,

Richard P.


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