Weird slow connection problem with Ambit Cable Modem/Router

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saobi
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Posts: 7
Joined: Tue Feb 26, 2008 10:38 pm

Weird slow connection problem with Ambit Cable Modem/Router

Post by saobi »

ok, i have this Ambit cable modem/router combo (gateway?) from Time Warner Road Runner, and its config page's log shows a lot of "map request retry timeout" messages.

And I *think* that is why I am getting slow connections (slow response time when connecting to websites) to frequently dropped connections (like once every 2 to 3 hours). I tried connecting an ethernet cable directly from the modem to my computer, and I see the same slowness/dropped connections.

1) Is it a problem with signal from the co-axial cable? Or is it a problem with the modem itself?

2) I used TCP Optimizer and applied its optimized setting on my NIC (wireless adaptor), and rebooted. It's been 15 mins since I did the optimizer, and now the response time is normal (at least so far). Could that have fixed my problem???? Seems weird how a software can fix a hardware problem?

Any insights/suggestions are appreciated! To give you more info, here's my latest setting from the modem:

Cable Modem : AMBIT DOCSIS 2.0 Cable Modem
Serial Number : 1000760B0CA0B
Board ID : U10C007.60
Boot Code Version : 2.1.5
Software Version : 5.11.1135
Hardware Version : 4.7



Cable Modem Downstream
Downstream Lock : Locked
Downstream Channel Id : 0
Downstream Frequency :
Downstream Modulation : QAM256
Downstream Symbol Rate : 5360.537 Ksym/sec
Downstream Interleave Depth : taps32Increment4
Downstream Receive Power Level : -1.5 dBmV
Downstream SNR : 34.1 dB


Cable Modem Upstream
Upstream Lock : Locked
Upstream Channel ID : 4
Upstream Frequency :
Upstream Modulation : QAM16
Upstream Symbol Rate : 2560 Ksym/sec
Upstream transmit Power Level : 45.0 dBmV
Upstream Mini-Slot Size : 2



Thanks!
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