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ryan18327
Member
# Posted: 1 May 2011 20:13


I have an Arris Cable modem hooked up to a WRT54G Linksys Router. About a year ago we had a problem where the modem was resetting constantly and called the cable company and they replaced splitters and something in the box on the telephone pole outside. Now the modem is doing the same exact thing but more frequently.... just about every 10 minutes or so. I've tried resetting the modem, unplugging it for 30 seconds, and even changing the ip of the router in case there was interference. Not sure what the problem is or how to fix it. The router log is filled with

5/1/2011 18:56 20000200 3 No Ranging Response received - T3 time-out
5/1/2011 18:56 20000300 3 Ranging Request Retries exhausted
5/1/2011 18:57 20000200 3 No Ranging Response received - T3 time-out
***** 13000300 5 DHCP WARNING - Non-critical field invalid in response
5/1/2011 18:59 1040100 6 TLV-11 - unrecognized OID
5/1/2011 19:16 20000200 3 No Ranging Response received - T3 time-out
5/1/2011 19:16 20000300 3 Ranging Request Retries exhausted
5/1/2011 19:17 20000200 3 No Ranging Response received - T3 time-out
5/1/2011 19:17 13000300 5 DHCP WARNING - Non-critical field invalid in response
5/1/2011 19:17 1040100 6 TLV-11 - unrecognized OID
5/1/2011 19:47 20000200 3 No Ranging Response received - T3 time-out
5/1/2011 19:47 20000300 3 Ranging Request Retries exhausted
5/1/2011 19:47 20000200 3 No Ranging Response received - T3 time-out
5/1/2011 19:48 13000300 5 DHCP WARNING - Non-critical field invalid in response
5/1/2011 19:48 1040100 6 TLV-11 - unrecognized OID
5/1/2011 20:02 20000200 3 No Ranging Response received - T3 time-out
5/1/2011 20:02 20000300 3 Ranging Request Retries exhausted
5/1/2011 20:02 20000200 3 No Ranging Response received - T3 time-out
5/1/2011 20:03 13000300 5 DHCP WARNING - Non-critical field invalid in response
5/1/2011 20:03 1040100 6 TLV-11 - unrecognized OID


RF Paramaters

Downstream
Freq/Power: 609.000 MHz -6 dBmV
Signal to Noise Ratio: 35 dB
Modulation: QAM256
Upstream
Freq/Power: 24.496 MHz 44 dBmV
Channel Type: DOCSIS 1.x (TDMA)
Symbol Rate: 2560 kSym/sec
Modulation: QAM16

ryan18327
Member
# Posted: 1 May 2011 21:31


I havn't tried the connection without the router yet but I will. It is a 24/7 problem. day night everything.... The coaxials are all fine. Not sure where to look for unconnected cable connectors and Also no sure where to look for the multiple splitters

ryan18327
Member
# Posted: 1 May 2011 22:10


I was looking at the coaxials again and there was a small loop in one. Not sure if that can effect it but the cable is looped up with a tie because it's so long. And where it is tied up the cable must've been pulled on cause it looped quite tightly. Not sure if this will fix the problem but i will let you know if it continues

ryan18327
Member
# Posted: 2 May 2011 21:45


well the Coaxial wasn't the problem because it is still doing it. I havn't contacted our IPS about it yet because the last time they didn't really fix the problem. However I will if i cannot fix the issue. The connection still disconnected directly into the modem without the router... I will check the splitters and cable connectors when I get a chance and let you know how that goes.

ryan18327
Member
# Posted: 5 May 2011 23:02


I do believe i have found the culprit. I was looking at the splitters downstairs and noticed something. The coaxial cable coming out of the splitter that goes upstairs to the modem has a cut in it! It's not very long but I can definitely see wiring through it and I'm almost certain that is the issue. I will be contacting my ISP and telling them they need to replace it. I'll let you know how it works afterwords.

ryan18327
Member
# Posted: 7 May 2011 12:14


I now know that the coaxial with the cut in it wasn't the problem. Apparently it was the old one that isn't being used anymore and also the cut didn't go through the braid only the insulation.

ryan18327
Member
# Posted: 10 May 2011 15:17


We got the cable guy from Time Warner to come down. He checked a bunch of connections and looked at the splitters. Then he went up the telephone pole and something in the box was corroding. The modem works spotlessly now

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