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RAX80 Not getting IP --No Internet
Hello,
Woke up this morning to no internet. We have XFinity service and generally it's been ok (couple of weeks ago it crapped out and after a number of reboots/reprovisions, it seemed to work fine, until this morning). Anyway, my modem is the Arris SB6191 (Cable) and I'm using the RAX80 (AX6000) router. Several reboots of both the router and modem have yielded nothing. When I check the router, it's showing an IP of 0.0.0.0 I'm not at home at the moment to troubleshoot but thought I'd ask for suggestions on getting this resolved when I do get home. I plan to log into the modem and review the error log specifically for T3 and T4 errors, review the SNR/etc...values just to be sure it's not the modem. From there, I suspect I'll need to disconnect the coax cable and connect the router to the modem to let it clear out any cache. Give it a few mins then reconnect the cable. Beyond that, I'm not all that sure what to do. I don't believe I can update my Firmware on either the router (with no internet) or the modem (FW managed by xFinity I believe). Any advice/next steps is most appreciated.
Cheers,
cc
Many Thanks. I was able to get it to work last night. Not exactly sure what did it unfortunately. My modem had significant T3/T4 errors so I checked all my wiring...all good. Checked my signal strength, SNR etc...and that was all good. I disconnected the cable input to the modem as well as the Cat6 to the router and left them for about 5 mins . When I hooked them all back up, it worked. We had done all the reboots you describe before with no effect. I appreciate the response above and have copied it into my OneNote for future troubleshooting. I did learn about the Puma chipset so am now in the market for a better modem and I'll use this one as a backup should the need ever arise, I think. Cheers.
3 Replies
Has a power off for 1 minute then back ON with the ISP modem and router been performed since last update?
Be sure to restart your network in this sequence:
Turn off and unplug modem.
Turn off router and computers.
Plug in and turn on modem. Wait 2 minutes for it to connect.
Turn on the router and wait 2 minutes for it to connect.
Turn on computers and rest of network.I recommend changing the ISP modem model to something else. Theres a long standing issue with the 619x model modems.
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.
Be sure to power OFF the modem for 1 minute then back ON.
https://www.duckware.com/tech/solving-intermittent-cable-modem-issues.html
https://highspeed.tips/docsis-events/Has a factory reset and setup from scratch been performed since last update?
Many Thanks. I was able to get it to work last night. Not exactly sure what did it unfortunately. My modem had significant T3/T4 errors so I checked all my wiring...all good. Checked my signal strength, SNR etc...and that was all good. I disconnected the cable input to the modem as well as the Cat6 to the router and left them for about 5 mins . When I hooked them all back up, it worked. We had done all the reboots you describe before with no effect. I appreciate the response above and have copied it into my OneNote for future troubleshooting. I did learn about the Puma chipset so am now in the market for a better modem and I'll use this one as a backup should the need ever arise, I think. Cheers.
Glad you got it working. Be sure to save off a back up configuration to file for safe keeping. Saves time if a reset is needed.
https://kb.netgear.com/24231/How-do-I-back-up-the-router-configuration-settings-on-my-Nighthawk-router
Enjoy. 📡
