It seems like my cable modem resets itself every few minutes. I go to
http://192.168.100.1/BasicLan.htm and look at the uptime right after I notice a slowdown and it will be up less than a minute. I did this several times this evening and the longest it stayed up was a little over 15 mins before resetting. This also shows up in the event log of the modem:
Date/Time Event ID Event Level Description
12/06/2011 22.04 73040100 06 TLV-11 - unrecognized OID
12/06/2011 21.57 73040100 06 TLV-11 - unrecognized OID
12/06/2011 21.39 73040100 06 TLV-11 - unrecognized OID
12/06/2011 21.38 73040100 06 TLV-11 - unrecognized OID
12/06/2011 21.35 73040100 06 TLV-11 - unrecognized OID
12/06/2011 21.17 73040100 06 TLV-11 - unrecognized OID
12/06/2011 21.10 73040100 06 TLV-11 - unrecognized OID
12/06/2011 21.01 73040100 06 TLV-11 - unrecognized OID
12/06/2011 20.59 73040100 06 TLV-11 - unrecognized OID
12/06/2011 20.51 73040100 06 TLV-11 - unrecognized OID
12/06/2011 20.41 73040100 06 TLV-11 - unrecognized OID
12/06/2011 20.40 73040100 06 TLV-11 - unrecognized OID
12/06/2011 20.32 73040100 06 TLV-11 - unrecognized OID
12/06/2011 20.07 73040100 06 TLV-11 - unrecognized OID
12/06/2011 20.03 82000500 03 Started Unicast Maintenance Ranging - No Response received - T3 time-out
12/06/2011 20.03 73040100 06 TLV-11 - unrecognized OID
12/06/2011 19.59 73040100 06 TLV-11 - unrecognized OID
01/01/1970 00.00 68000300 03 DHCP WARNING - Non-critical field invalid in response.
01/01/1970 00.00 68000300 03 DHCP WARNING - Non-critical field invalid in response.
01/01/1970 00.00 68000300 03 DHCP WARNING - Non-critical field invalid in response.
01/01/1970 00.00 68000300 03 DHCP WARNING - Non-critical field invalid in response.
01/01/1970 00.00 68000300 03 DHCP WARNING - Non-critical field invalid in response.
01/01/1970 00.00 68000300 03 DHCP WARNING - Non-critical field invalid in response.
01/01/1970 00.00 68000300 03 DHCP WARNING - Non-critical field invalid in response.
01/01/1970 00.00 68000300 03 DHCP WARNING - Non-critical field invalid in response.
01/01/1970 00.00 68000300 03 DHCP WARNING - Non-critical field invalid in response.
01/01/1970 00.00 68000300 03 DHCP WARNING - Non-critical field invalid in response.
01/01/1970 00.00 68000300 03 DHCP WARNING - Non-critical field invalid in response.
01/01/1970 00.00 68000300 03 DHCP WARNING - Non-critical field invalid in response.
01/01/1970 00.00 68000300 03 DHCP WARNING - Non-critical field invalid in response.
01/01/1970 00.00 68000300 03 DHCP WARNING - Non-critical field invalid in response.
01/01/1970 00.00 68000300 03 DHCP WARNING - Non-critical field invalid in response.
PS! It just did it again while I tried to preview this message! System uptime 0 days 00h:00m:32s
Modem status
RF Parameters
Downstream
Frequency 111 MHz Power 1 dBmV
Signal to Noise Ratio 34 dB Modulation QAM256
Upstream
Frequency 34 MHz Power 41 dBmV
Upstream Data Rate 2560 Ksym/sec Modulation QPSK
Status
System uptime 0 days 00h:02m:37s
Computers detected 1
CM Status Operational
WAN Isolation OFF
Time and Date Tue Dec 06 22:14:50 2011