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cheez
join:2020-05-02

cheez

Member

Slower down speed when connected to router.

125mbps download when wired to ARRIS TM702G. 80mbps when wired to ASUS RT-N66R router. Firmware is up to date on router, QoS is off.

EnasYorl
Thieves World
join:2001-12-02
West
·Ziply Fiber
·Comcast XFINITY
Motorola MB8600
Netgear RAX15
Asus RT-AC66

EnasYorl

Member

said by cheez:

125mbps download when wired to ARRIS TM702G. 80mbps when wired to ASUS RT-N66R router. Firmware is up to date on router, QoS is off.

I would flash it with Asus Merlin »www.asuswrt-merlin.net/download

File folder »onedrive.live.com/?authk ··· D3599CE0

andyross
MVM
join:2003-05-04
Aurora, IL

andyross

MVM

The RT-N66 is NOT supported. This says N66U, but another note on the supported models notes that the letter is just region/case differences:
quote:
The following models are no longer officially supported:

RT-N16
RT-N66U
RT-AC66U
RT-AC56U

quote:
(Note: the U, R and W variants are all supported, as they are the exact same hardware and firmware, only different marketing SKUs or different case color)
My guess is that the router is just not powerful enough. Does it support Gigabit Ethernet, as 85-90 is roughly the limit for 100Mbit.

owlyn
MVM
join:2004-06-05
Newtown, PA
Netgear CM2050V
Netgear RBRE960
Netgear RBSE960

owlyn

MVM

The R and U are the same router. R means Retail distribution. It is just a product designation. Merlin stopped supporting that router with updates I’m guessing about a year ago, give or take. There is a fork version of his firmware thatI believe is still being supported. All of this can be found at »www.snbforums.com/forums ··· rlin.42/

Devious
Premium Member
join:2002-08-22
Seattle, WA

Devious to EnasYorl

Premium Member

to EnasYorl
said by EnasYorl:

I would flash it with Asus Merlin

I am wondering why this would do anything to affect WiFi speeds considering that stock and Merlin use the same WiFi drivers as the WiFi drivers are closed source.

EnasYorl
Thieves World
join:2001-12-02
West
·Ziply Fiber
·Comcast XFINITY
Motorola MB8600
Netgear RAX15
Asus RT-AC66

4 edits

EnasYorl

Member

said by Devious:

said by EnasYorl:

I would flash it with Asus Merlin

I am wondering why this would do anything to affect WiFi speeds considering that stock and Merlin use the same WiFi drivers as the WiFi drivers are closed source.

I run a older version of Merlin on my unit and it has been stable for years. My 802.11n was always unstable until I went to Merlin that is heavily openwrt.

PS my old router can hit 938/42 no issues.

(CLI) Speedtest by Ookla

Server: CenturyLink - Portland, OR (id = 10162)
ISP: Comcast Cable
Latency: 11.22 ms (1.04 ms jitter)

Download: 937.76 Mbps (data used: 1.3 GB)

Upload: 41.73 Mbps (data used: 46.3 MB)
Packet Loss: 0.0%
Result URL: »www.speedtest.net/result ··· 08c4a6bc

10:44 PM
Fri 05/01/2020
EnasYorl

EnasYorl to andyross

Member

to andyross
Click for full size
said by andyross:

The RT-N66 is NOT supported. This says N66U, but another note on the supported models notes that the letter is just region/case differences:

quote:
The following models are no longer officially supported:

RT-N16
RT-N66U
RT-AC66U
RT-AC56U

quote:
(Note: the U, R and W variants are all supported, as they are the exact same hardware and firmware, only different marketing SKUs or different case color)
My guess is that the router is just not powerful enough. Does it support Gigabit Ethernet, as 85-90 is roughly the limit for 100Mbit.

My kid still running it on a U and he has no speed issues with 4 people using it. Version in the Pic.

andyross
MVM
join:2003-05-04
Aurora, IL

andyross

MVM

The OP stated he was using a wired connection, not WiFi.

jbob
Reach Out and Touch Someone
Premium Member
join:2004-04-26
Little Rock, AR

jbob to cheez

Premium Member

to cheez
OP, if you can test the wireless speeds and see how they compare. Ensure you're connecting via 5 GHz radio and not the 2.4 GHz. Close to the router. Ensure your wireless device is capable of faster speeds.

Devious
Premium Member
join:2002-08-22
Seattle, WA

Devious to EnasYorl

Premium Member

to EnasYorl
said by EnasYorl:

My 802.11n was always unstable until I went to Merlin that is heavily openwrt.

Merlin just uses the Asus GPL source code for each router.
He gets all his source code from Asus which is based on Tomato not openwrt.



EnasYorl
Thieves World
join:2001-12-02
West
·Ziply Fiber
·Comcast XFINITY
Motorola MB8600
Netgear RAX15
Asus RT-AC66

EnasYorl

Member

said by Devious:

said by EnasYorl:

My 802.11n was always unstable until I went to Merlin that is heavily openwrt.

Merlin just uses the Asus GPL source code for each router.
He gets all his source code from Asus which is based on Tomato not openwrt.

OpenWRT came before all the other copy cats.

Linkysys firmware started HyperWRT and OpenWRT HyperWRT spawned Tomato which ASUS utilized. Merlin is just a tweek to Tomato which is based of Lynksys/HyperWRT/OpenWRT.

Pretty much just tweeks to firmware/Linux based systems.
EnasYorl

EnasYorl to cheez

Member

to cheez
said by cheez:

125mbps download when wired to ARRIS TM702G. 80mbps when wired to ASUS RT-N66R router. Firmware is up to date on router, QoS is off.

I would also try new Cat 5e/6 cables as well.

owlyn
MVM
join:2004-06-05
Newtown, PA

owlyn

MVM

Also turn off traffic monitoring.
Liberty
Premium Member
join:2005-06-12
Arizona

Liberty to cheez

Premium Member

to cheez
Except when doing a speed test, can you tell ANY difference?

Reason I ask is when I upgraded from 20 x 3 to 150 x10 I could not tell ANY difference in day to day use.

jbob
Reach Out and Touch Someone
Premium Member
join:2004-04-26
Little Rock, AR
Asus RT-AC86
Asus RT-AC66U B1

jbob

Premium Member

said by Liberty:

Except when doing a speed test, can you tell ANY difference?

Reason I ask is when I upgraded from 20 x 3 to 150 x10 I could not tell ANY difference in day to day use.

It makes a difference when you're paying for the added speeds but not getting it whether you can tell it or not.
bbnovice
join:2004-03-17
Sacramento, CA

bbnovice to cheez

Member

to cheez
Is there a problem with one of the ethernet ports on the ASUS? You may want to blow compressed air to remove any accumulated schmutz and maybe some vinegar on a q-tip if there is any oxidation on any of the contacts of all of the ethernet ports. May also want to check the orientation of the contacts in the ethernet ports, one or more may not be making good contact with the ethernet plug contacts.

Please let us know what you find.
msoengineer
join:2018-07-25
united state
·Comcast XFINITY
Motorola MB8600
Netgear X10
Netgear R7800

msoengineer to cheez

Member

to cheez
That's nearly a 9yr old router with a 600mhz cpu... I would say the top end for that router is likely around 150mbps when all the settings are right. I don't own one and running Merlin would be a good idea to see what you might be able to tweak over stock firmware. Given that it's 9ish years old, it might be time to consider moving to a newer router. Netgear R7800 used on ebay for $60-$80. Then look at dd-wrt or Kong's openwrt build. The R7800 is the best router for the money right now, IMO. Want something on the cheap, take a look at a more modern Archer C7v5 or Amazon's equivalent A7v5, not much more cpu horsepower there either, though.... these 200+ mbps plans really need a router that's 2-4 years old to be able to keep up; especially if you plan to run a third party firmware and q.o.s.

»wikidevi.wi-cat.ru/ASUS_RT-N66R

EnasYorl
Thieves World
join:2001-12-02
West
·Ziply Fiber
·Comcast XFINITY
Motorola MB8600
Netgear RAX15
Asus RT-AC66

EnasYorl

Member

said by msoengineer:

That's nearly a 9yr old router with a 600mhz cpu... I would say the top end for that router is likely around 150mbps when all the settings are right. I don't own one and running Merlin would be a good idea to see what you might be able to tweak over stock firmware. Given that it's 9ish years old, it might be time to consider moving to a newer router. Netgear R7800 used on ebay for $60-$80. Then look at dd-wrt or Kong's openwrt build. The R7800 is the best router for the money right now, IMO. Want something on the cheap, take a look at a more modern Archer C7v5 or Amazon's equivalent A7v5, not much more cpu horsepower there either, though.... these 200+ mbps plans really need a router that's 2-4 years old to be able to keep up; especially if you plan to run a third party firmware and q.o.s.

»wikidevi.wi-cat.ru/ASUS_RT-N66R

I have been using the same Merlin code for 3 years on the RT-AC66U-B1 with zero issues. I use a Netgear RAX15 (AX) WiFi6 in WAP mode for Wi-Fi.

Recommend this router if you only want it for VPN and Features. You can see my speed test results below on Gig Tier.

___________________________________________________________________________________

Speedtest by Ookla

Server: CenturyLink - Portland, OR (id = 10162)
ISP: Comcast Cable
Latency: 11.10 ms (2.97 ms jitter)

Download: 934.27 Mbps (data used: 1.3 GB)

Upload: 41.73 Mbps (data used: 46.1 MB)
Packet Loss: 0.0%
Result URL: »www.speedtest.net/result ··· 7fae19f4

Speedtest by Ookla

Server: Comcast - Portland, OR (id = 1780)
ISP: Comcast Cable
Latency: 7.82 ms (0.43 ms jitter)

Download: 930.82 Mbps (data used: 1.2 GB)

Upload: 41.84 Mbps (data used: 19.9 MB)
Packet Loss: 0.0%
Result URL: »www.speedtest.net/result ··· d2cda1d3

06:46 PM
Tue 05/05/2020
___________________________________________________________________________________
»www.asus.com/uk/Networki ··· cations/

»www.pcmag.com/reviews/as ··· i-router

Ordered on May 16, 2017 (1 item)