NETGEAR is aware of a growing number of phone and online scams. To learn how to stay safe click here.
Forum Discussion
R7960P - Router failing or?
Unusual Problem just cropped up. The router fails to work periodically. When that happens lights all seem to work (lit or flashing periodically) except you can't connect to the router. Interestingly when I do an IPCONFIG on one of my computers I notice that the IP address on that computer is gone, which is not what I expected because I would think it would take time for the lease to expire. I set up a computer with a manual IP, and that one could not connect either. Each time I turn off the router and then back on, it resolves itself.
Perhaps coincidently, this all started a few days after I turned IPV6 on. I did that to resolve the DNS issues that existed with the last firmware update .88.
The last time the router came back up, I noticed that w it was set to 6to4 tunnel. I was pretty sure I used autoconfig, so this surprised me but maybe the ISP DCHPv6 was not working when I configured it. I then tried auto config and it then set the router to DHCP.
It works again now, and I am waiting to see if the failure happens. (It was happening once every 1-2 days, but last time the failure interval was 12 hours after the last reset. If it does I was planning to try turning IPV6 off and going back to resolving DNS on individual machines to see if that makes any difference.
Anyone else see anything like this? Any other thoughts?
41 Replies
What is the Mfr and model# of the Internet Service Providers modem/ONT the NG router is connected too?
Be sure your using a good quality LAN cable between the modem and router. CAT6 is recommended.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.Has a factory reset and setup from scratch been performed since last FW update?
Try setting a default DHCP IP address range of .100 to .200 instead of the larger pool size.
Does the router feel extra warm or hot when this happens? I keep a laptop cooler fan under my router for 24/7 cooling.
The modem is hard to get to, it is a ISP Charter supplied modem (Spectrum make Docsis 3.1 rating).
Cable is either Cat 6 or Cat6/E. Top of the line patch from mono price.
Yes I performed such a cycle before the last 12 hours between failure. But the majority of time I just have been shutting of the router, waiting 30 sec and turning it back on.
No I have not done a factory reset from scratch. I will consider trying such a move, but keep in mind the last firm ware upgrade was several months ago, and this problem only showed up a couple weeks ago.
I am trying one change at a time, want to see how this IPV6 change (from 6to4 to DHCP) impacts things. If still happening, I will first try turning IPV6 off. Then I'll try a reset.
My DHCP pool is already restricted .002 to .037.
Does turning on IPV6 stress the router more (especially the 6to4 tunnel setting)?
No the router is warm but not at all hot. I also blew it out with compressed air to make sure no dust impeding cooling transfer.
So far, after the change to DHCP on the IPV6, it has not crashed yet and I have hit the 12 hour mark (fingers crossed)
Auto should be used for IPv6. I think 6to4 is being depreciated.
Let us know how it turns out.
