Asus RT-AC66U - Slow Download Speed

Toggle sidebar Toggle sidebar
B

Bryn100

Honorable
Jan 2, 2014
4
0
10,510
Hi (Happy New Year to All)

I would appreciate some advice please. I have just installed the Asus as a 'Master Router' but after testing the download speed using the ISP test (ISP- TalkTalk -UK) the result confirms a low speed (5870 kbps). This Asus is hooked into a TP Link 8817 modem via the WAN port. The Modem status report say:

Data Rate = 6940 (Down) & 769 (Up) kbps
Date rate (Max) = 7652 (Down) & 764 (UP)

Comparing the rate tested and the rate indicated on the modem status page I am loosing approximately 1000kbps (all testing via LAN at the Master Router). This drop makes my speed marginal when trying stream HD movies. (all other local clients work fine e.g. NAS etc)

Thanks in advance for any help - cheers

--------------

I have set the system up in accordance with setup advice 'The Ultimate Modem/Router Setup Thread'

Modem:
ISP Connection Type = PPPoA
LAN IP = 192.168.1.1
Pooling = 192.168.1.100 >
DHCP = Disabled
Firewall = OFF : NAT = Active (No obvious way to disable)

Asus (Master)
WAN = Fixed IP = 192.168.1.100 ; Gateway : 192.168.1.1
Firewall = Enabled ; NAT = Enabled : uPnP = Enabled
DNS = 'Open DNS' Primary & Secondary

LAN = 192.168.2.1 ; Range 192.168.2.3 - 254
DHCP = Enabled

Slave Router (TP lInk TL-WR1043ND) [Connected via LAN port]
LAN = 192.168.2.2
DHCP = Disabled
DNS = 192.168.2.1 (Primary & Secondary)
 
Solution
U
Hi,

I'm assuming you are using BT style ADSL and not fiber or cable.

I used to work in BT broadband so I know a little about this, I'm also a network technician.
There are a few things at play here, first there is the sync speed your router connects at, this is usually what is indicated in your router status page, o nthe BT end there is a profile assigned to your line which changes based on your lines reliability and sync speeds etc, this is what primarily dictates how fast your line will go. For you this is probably 6500.

you have to remember this is a raw line speed and does not reflect the overheads, i.e stiff like IP addressing information and error checking. This will take a small percentage of your connection say %10. you will...
Sort by date Sort by votes
U

Urumiko

Distinguished
Dec 28, 2013
505
0
19,160
Hi,

I'm assuming you are using BT style ADSL and not fiber or cable.

I used to work in BT broadband so I know a little about this, I'm also a network technician.
There are a few things at play here, first there is the sync speed your router connects at, this is usually what is indicated in your router status page, o nthe BT end there is a profile assigned to your line which changes based on your lines reliability and sync speeds etc, this is what primarily dictates how fast your line will go. For you this is probably 6500.

you have to remember this is a raw line speed and does not reflect the overheads, i.e stiff like IP addressing information and error checking. This will take a small percentage of your connection say %10. you will never achieve %100 of the stated speed and this seems fairly reasonable.

This speed only effects your broadband and should not effect your NAS, if you are having issues with your NAS you may have wireless issues? I.m not sure why you have 2 wireless routers?

Though this speed seems reasonable you can put your postcode in to samknows.com and it will give you an estimate of what you should get.

If you are concerned your broadband is under performing your first step is to connect to your test socket if you have one (most do). If you look at your main telephone socket, and imagine unscrewing the front, if you did this would the entire front come of or just the lower 2/3? if only the lower 2/3 comes off there will be another socket behind, plug your modem/filter straight in to that and re-check your sync speed. In nearly all cases this will be higher than in the front of the socket. Note when you take the faceplate off if there are any wires attached these are for a telephone extension and as such the extension will be disconnected while the faceplate is off.
 
Upvote 0 Downvote
Solution
B

Bryn100

Honorable
Jan 2, 2014
4
0
10,510


Hi Urumiko

Thanks for the response.

Also thanks for the explanation / clarification and I will carry out the test from behind the BT socket faceplate and see what I get. I am pretty sure some years ago (before streaming) I was getting a higher download speed which could indicate a physical cable connection problem perhaps. The modem status does also provide line attenuation data as SNR Margin 12.4 / 14.9db & Atten 33.0 / 18.2 (down/up). Having said this you do suggest the speed is reasonable. Let's see.

I am using two wireless routers because of distributed wireless and LAN clients in a difficult apartment where the wireless signal drops off even with powerful wireless router. The two are hooked up via HomePlugs (power line carrier) I could have used a switch on the remote end but for the wireless clients. I only mentioned the NAS etc to support the fact there no IP addressing issues as far as I can see.

Many thanks Bryn
 
Upvote 0 Downvote
U

Urumiko

Distinguished
Dec 28, 2013
505
0
19,160


Hmm I think there are calculators out there which will tell you what speed to expect on adsl/2/2+ based on attenuation etc. those figures dont mean a lot to me it's been so long >.<. Definatley try the test socket though you might be pleasantly surprised.

Also if you haven't already download inssider to help you choose the best wireless channels to use.
 
Upvote 0 Downvote
B

Bryn100

Honorable
Jan 2, 2014
4
0
10,510


Hi Urumiko

No worries will be doing the test plug thing over the weekend. I am using 'WiFi Explorer' from the Mac Store (a great little app) so all channels checked and sorted. As quick aside - I am about use Network Logger Pro also from the Mac Store . Anyway thanks and will advise any improvements later. Cheers Bryn
 
Upvote 0 Downvote
B

Bryn100

Honorable
Jan 2, 2014
4
0
10,510
Hi Urumiko

Noting your last reply I have done some more research and found the following web site: http://www.hmmm.ip3.co.uk/adslmax/index.shtml that expanded on your advice. The long and the short of it is that I changed the faceplate of the BT Master to a unit that isolates the 'ring line' and further provides a common 'micro filter' for the whole property. The result is a speed increase of around 700kbps which is the best I can expect so problem solved !! Cheers Bryn
 
Upvote 0 Downvote
U

Urumiko

Distinguished
Dec 28, 2013
505
0
19,160


Good job matey.. yup those faceplates are good though sometimes wiring issues can penetrate the filter so bear that in mind if u ever have issues
:). I Beleive BT call em SSFPs Service specific face plates.
 
Upvote 0 Downvote
You must log in or register to reply here.

TRENDING THREADS

Latest posts

Moderators online

Share this page

COMPANY
RESOURCES
FOLLOW
Top Bottom