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Forum Discussion
AM_R6700_AC1750
Jan 18, 2021Guide
R6700 AC1750 router does not allow Gigabit connections?
I just upgraded my cable Modem to a Netgear CM1100 that supports Gigabit connections. I have an R6700/Nighthawk AC1750 Smart WiFi router connected to it. My wireless speeds and wired Ethernet connect...
- Jan 19, 2021
The R6700 is gigabit capable.
What firmware is on it?
Did you ever try a factory reset on it with a clean install (not from backup)? sometimes old qos settings can cause issues.
have you tried replacing the cable?
Also, make sure you're speedtesting over a hardwired connection. wireless AC won't hit gigabit speeds wireless. Especially the 2.4ghz.
plemans
Jan 19, 2021Guru - Experienced User
The R6700 is gigabit capable.
What firmware is on it?
Did you ever try a factory reset on it with a clean install (not from backup)? sometimes old qos settings can cause issues.
have you tried replacing the cable?
Also, make sure you're speedtesting over a hardwired connection. wireless AC won't hit gigabit speeds wireless. Especially the 2.4ghz.
AM_R6700_AC1750
Jan 23, 2021Guide
plemans mentioned: "...sometimes old qos settings can cause issues."
So I experimented with the QoS option after I was able to get satisfactory speeds after resetting my AC1750 router. Note that after reset, my wired connection averaged ~ 600 Mbps and the wireless averaged ~ 250 Mbps.
When I turned on QoS, my connection speeds dropped noticeably from what I had before. For example, my wired connection was at 208 Mbps and the wireless connection was at 175 Mbps. These correspond to a 67% drop in my wired connection, and 30% drop in my wireless connection.
For an interesting article on Netgear routers and QoS see the following (published in 2018):
https://www.tomsguide.com/us/netgear-router-disable-qos,news-27675.html
- plemansJan 23, 2021Guru - Experienced User
Even netgears own kb article on qos only recommends it at speeds lower than 250mbps. Because it disables ctf (cut through forwarding) that is needed on those devices to hit gigabit speeds.
- AM_R6700_AC1750Jan 23, 2021Guide
plemans wrote:Even netgears own kb article on qos only recommends it at speeds lower than 250mbps. Because it disables ctf (cut through forwarding) that is needed on those devices to hit gigabit speeds.
Thanks for pointing this out. This reassures me about turning off QoS on my router.