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R6700v3 Wired Connection ~200Mbps
I bought this router in January 2021. After I set it up, the wired speeds tested out at ~800Mbps. So, I know it was working as expected and that was before I upgraded to the 1200Mbps package. I regularly update firmware on my devices for security purposes. Somewhere along the way I have dropped down to ~200Mbps. Xfinity has been out and tested the connection out of the modem and it is as expected.
I have not had a chance to further troubleshoot until now. I tried to open a support ticket, but I am past the 1yr support window. From reading these forums, it sounds like a firmware issue introduced somewhere along the way (consistent with my experience). This is my last ditch effort before I submit a warranty request since I consider the router now defective.
Here is my setup:
Xfinity Modem CM1000V2
R6700v3 Firmware: just updated to v1.0.4.122
All disabled: Access control, traffic monitoring, parental controls, qos
FURRYe38 wrote:Has a power off for 1 minute then back ON with the ISP modem and router been performed since last update?
No. I will try that before the factory reset though. Thanks
Has a factory reset and setup from scratch been performed since last FW update? No.Will try tonight
If any of these suggestions don't seem to help, you may need to revert back FW to what had been working.
That is non-starter for me due to security concerns. Unit is defective if I cannot maintain max speeds with latest FW
12 Replies
Have you tried a factory reset and then tested speeds with the router in the default configuration?
Reason I ask is the R6700 uses cut through forwarding to hit gigabit speeds.
The access control, traffic monitoring, qos, parental controls all disable it. And even after disabling those services, I've seen ctf not get re-enabled. So speeds stay slow.
So try a factory reset and test the speeds with the router in its default configuration. If it test full speeds, then start setting up your services with testing the speeds each time you change something.
I have never enabled access control, traffic monitoring, qos, parental controls. I think the only thing I changed in the setup was to disable the Guest networks.
I have not tried a factory reset. That would be my last resort which seems I am there. I presume that will keep the latest Firmware version intact?
I will try the factory reset later tonight (have to work) and report back.
Thanks
It'll keep the current version of firmware intact.
It only removes settings.
If that doesn't work, then we can try other versions of firmware.
Has a power off for 1 minute then back ON with the ISP modem and router been performed since last update?
Has a factory reset and setup from scratch been performed since last FW update?
If any of these suggestions don't seem to help, you may need to revert back FW to what had been working.
FURRYe38 wrote:Has a power off for 1 minute then back ON with the ISP modem and router been performed since last update?
No. I will try that before the factory reset though. Thanks
Has a factory reset and setup from scratch been performed since last FW update? No.Will try tonight
If any of these suggestions don't seem to help, you may need to revert back FW to what had been working.
That is non-starter for me due to security concerns. Unit is defective if I cannot maintain max speeds with latest FW
