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I have confirmed that this firmware downgrade occurred with my modem
I have confirmed that this firmware downgrade occurred with my modem, and that I have received the same notice from Comcast.
Further, I updated to the CM2050V AFTER being notified by Comcast that my CM1150V would not support my speed tier. After the CM2050V being in service for a while, it suddenly failed and had to be RMA with Netgear. I cannot prove anything but suspected that the failure was perhaps a failed firmware update.
It may be purely circumstantial that I now find that there ARE firmware issues, and that the replacement unit has now been downgraded. I am hoping that these issues don't lead to another failure and ordeal getting an RMA.
In BOTH instances, Comcast has been eager to mention that I can always RENT their equipment.
I feel I have done my part in purchasing a modem from the Comcast approved equipment list.
Note also, that while my speed is decent, it is NOT much faster than the CM1150V that was replaced and well below my speed tier.
I feel I am paying a premium for high-speed internet AND using approved Comcast equipment. I hope I am not going to be forced to a monthly fee for working equipment and the Comcast/Netgear can get this issue resolved.
Thanks!
Thanks for the input!
I have confirmed that the bulk of my problem is the Zyxel USG60 router. I put the drop amp back into the circuit as I would normally have it but plugged a PC directly into the modem for testing. While I am still seeing the previous events, with the USG60 out of the path, I am now seeing 940/25.
Apparently, the issues were the USG60 router all along.
As for WIFI, I already have a mesh system with 3 nodes (overkill but works).
I will be exploring firewall/router devices for something that has better throughput based on my service tier. The speed issues are NOT caused by the drop amp!
Thanks for the patience! Any recommendations for firewall/router in this speed tier would be appreciated. I'm considering the NetGate 4100 for a bit of future-proofing that meets by speed tier.
The USG60 is considered obsolete and no longer getting updates. Guess I have a better understanding WHY it is obsolete!
28 Replies
What Firmware version is currently loaded?
Please post a copy and paste of the modems connection status and event log page.
https://kb.netgear.com/30007/How-do-I-obtain-the-cable-connection-information-from-a-NETGEAR-cable-modem-modem-router
https://kb.netgear.com/30008/How-do-I-view-or-clear-the-event-logs-on-my-NETGEAR-cable-modem-or-modem-routerFYI:
Ok, power levels look good:
https://kb.netgear.com/24311/Power-level-guidelines-for-a-NETGEAR-cable-modem-router
However, we see correctables and un-correctables that should be zero.
Any Criticals, Errors or Warnings seen in the event logs needs to be reviewed and resolved by the ISP. Indicates a signal issue on the ISP line up to the modem.
Be sure your using a good quality LAN cable between the modem and router. CAT6A STP is recommended.
What is the brand and model of the host wifi router connected to the modem?Have the ISP check the signal and line quality UP to the modem. Be sure the ISP provisions the modem correctly.
Be sure there are no coax cable line splitters in the between the modem and ISP service box.
Be sure your using good quality RG6 coax cable up to the modem.
Start with removing any amplifiers, signal attenuators, or splitters from the coax.
From there check the line for kinks, damage, moisture in the line.
Check the connectors for improperly made ends, foil touching the copper coax line, loose connections, bad/old/cheap connectors, or corroded connections. Replace them if you do.
Be sure to power OFF the modem for 1 minute then back ON.
https://community.netgear.com/t5/Cable-Modems-Routers/General-info-and-Troubleshooting-for-Cable-Modems/m-p/1530376#M12853
https://www.duckware.com/tech/solving-intermittent-cable-modem-issues.html
https://highspeed.tips/docsis-events/My WIFI is on my LAN, not part of the incoming router.
The router is a Zyxel USG60, firmware 4.73 (AAKY.2).
I am aware that the speed issue could potentially be a limitation of my internal network. However, I have connected a computer directly to the modem and seen similar results. I do not have the data from that test.
My bigger concern is the failure of the original CM2050V, and whether another firmware update could cause another failure. I'm also concerned about being forced to once again change modems or having to rent the Comcast modem.
Note that I do have a distribution amp on the cable side: Electroline EDA-FT08100 Drop Amp. All RF cables are RG-6. This is to eliminate passive splitters.
Additional note:
