Telkom VDSL: Pathetic Upload Bandwidth

DSL stats on a Fritz!box

Negotiated Connection Properties
Receive direction Send direction
Max. DSLAM throughput kbit/s 45056 3072
Min. DSLAM throughput kbit/s 64 64
Attainable throughput kbit/s 118106 9136
Current throughput kbit/s 45054 3072
Seamless rate adaptation off off

Latency 8 ms 4 ms
Impulse noise protection 3 2
G.INP off off

Signal-to-noise ratio dB 25 18
Bitswap off on
Line attenuation dB 12 8

Profile 17a
G.Vector off off

Carrier record A43 A43
 
Latest line stats after VDSL POTS filter replacement:

VDSL Port Details Upstream Downstream
Line Rate: 3.129 Mbps 45.147 Mbps
Actual Net Data Rate: 3.072 Mbps 45.055 Mbps
Trellis Coding: ON ON
SNR Margin: 17.3 dB 11.1 dB
Actual Delay: 4 ms 8 ms
Transmit Power: - 8.7 dBm 14.4 dBm
Receive Power: -23.7 dBm -2.8 dBm
Actual INP: 2.0 symbols 3.0 symbols
Total Attenuation: 15.0 dB 17.2 dB
Attainable Net Data Rate: 8.947 Mbps 72.048 Mbps
 
Apparently VDSL doesn't like joined copper cables.

The technician who came to my house last week said a VDSL line would be impacted by the amount of times the Telkom cables had to be replaced after being stolen.

The area I reside in is covered by a VDSL blanket but I can't get VDSL because of the amount of joins in the cable infrastructure, so the best I can get is 20meg ADSL :(

Hopefully your issue can be solved. I just thought I'd mention this as a possibility :)
 
Come on Telkom, my 10MB e-mail attachment is taking 5 minutes to send on a 20Mbps VDSL line...
 
Something is odd. Telkom has always artificially limited the upload bandwidth to 3Mbps for a 40Mbps VDSL line. But now the upstream sync speed is 10Mbps for a 40Mbps VDSL line...

BEFORE (2014):
================================
VDSL Training Status: Showtime
Mode: VDSL2 Annex B
VDSL Profile: Profile 17a
Traffic Type: PTM Mode
Line Rate: 3.092 Mbps 41.039 Mbps
Actual Net Data Rate: 3.072 Mbps 40.959 Mbps
Attainable Net Data Rate: 16.571 Mbps 54.570 Mbps
================================

NOW (2017):
================================
VDSL Training Status: Showtime
Mode: VDSL2 Annex B
VDSL Profile: Profile 17a
Traffic Type: PTM Mode
Line Rate: 10.273 Mbps 45.147 Mbps
Actual Net Data Rate: 10.238 Mbps 45.055 Mbps
Attainable Net Data Rate: 15.043 Mbps 59.333 Mbps
================================

Speedtest Result - http://www.speedtest.net/my-result/6832091339
 
Last edited:
Franna said:
Something is odd. Telkom has always artificially limited the upload bandwidth to 3Mbps for a 40Mbps VDSL line. But now the upstream sync speed is 10Mbps for a 40Mbps VDSL line...

BEFORE (2014):
================================
VDSL Training Status: Showtime
Mode: VDSL2 Annex B
VDSL Profile: Profile 17a
Traffic Type: PTM Mode
Line Rate: 3.092 Mbps 41.039 Mbps
Actual Net Data Rate: 3.072 Mbps 40.959 Mbps
Attainable Net Data Rate: 16.571 Mbps 54.570 Mbps
================================

NOW (2017):
================================
VDSL Training Status: Showtime
Mode: VDSL2 Annex B
VDSL Profile: Profile 17a
Traffic Type: PTM Mode
Line Rate: 10.273 Mbps 45.147 Mbps
Actual Net Data Rate: 10.238 Mbps 45.055 Mbps
Attainable Net Data Rate: 15.043 Mbps 59.333 Mbps
================================

Maybe a VDSL upstream bandwidth increase on the cards???
Click to expand...
Franna, did you get a new modem recently?
 
zamicro said:
Franna, did you get a new modem recently?
Click to expand...

Nope, the same Zyxel SBG3300-N VDSL Router as in use since 2014. Also confirmed it on another 40Mbps and 20Mbps/5Mbps VDSL line.

ISP account on the line is the CrystalWeb Capped Business package.

According to the speedtest it is definitely running at 10Mbps upstream... WHOOPA!!!
http://www.speedtest.net/my-result/6832091339
 
Last edited:
Last edited:
Hmmmm No change here - Running WebAfrica Business Account

Zyxel SBG3300-N VDSL Router

============================================================================
VDSL Training Status: Showtime
Mode: VDSL2 Annex B
VDSL Profile: Profile 17a
Traffic Type: PTM Mode
Link Uptime: 0 day: 15 hours: 3 minutes
============================================================================
VDSL Port Details Upstream Downstream
Line Rate: 3.129 Mbps 45.147 Mbps
Actual Net Data Rate: 3.072 Mbps 45.055 Mbps
Trellis Coding: ON ON
SNR Margin: 4.6 dB 24.1 dB
Actual Delay: 4 ms 8 ms
Transmit Power: -20.6 dBm 14.5 dBm
Receive Power: -41.3 dBm 2.1 dBm
Actual INP: 2.0 symbols 3.0 symbols
Total Attenuation: 0.0 dB 15.2 dB
Attainable Net Data Rate: 4.094 Mbps 122.482 Mbps
============================================================================
VDSL Band Status U0 U1 U2 U3 D1 D2 D3
Line Attenuation(dB): 13.7 23.9 N/A N/A 10.8 22.7 20.8
Signal Attenuation(dB): 13.7 23.5 N/A N/A 10.7 22.3 20.7
SNR Margin(dB): 4.7 4.6 N/A N/A 23.9 24.3 23.9
Transmit Power(dBm):-30.4 -21.1 N/A N/A 12.6 7.3 6.9
============================================================================
 
They took too long though. I'm on fibre now and just downgraded my DSL to 2Mbit (to have as a backup).
 
Totempole said:
I really wanted 20MB VDSL. I can only get Fibre with Vuma unfortunately. :(
Click to expand...

Are you sure you didn't switch the two terms around?

Who wants xDSL instead of fibre? :confused:

That's like saying I really wanted a VW Polo, but can only get a Porsche unfortunately.
 
Johnatan56 said:
Wouldn't it be cheaper to have an LTE back-up? You're in TV as well, Telkom, CellC and Vodacom have LTE coverage.
Click to expand...

I can live with R165pm. It will hardly ever get used and it's already set up inside my firewall with no additional hardware or purchases required.
 
DrJohnZoidberg said:
I can live with R165pm. It will hardly ever get used and it's already set up inside my firewall with no additional hardware or purchases required.
Click to expand...

Is your fibre Openserve, if so, wouldn't the DSL be offline too when the fibre is?
 
You must log in or register to reply here.
Back
Top
Sign up to the MyBroadband newsletter
X