DrayTek Vigor 120 sync is almost 50% slower than 2wire/linksys

Forums › LAN (ethernet/Wifi/routers/Bluetooth) › DrayTek Vigor 120 sync is almost 50% slower than 2wire/linksys

solorvox

51 posts

Master Geek
+1 received by user: 5

#150104 11-Jul-2014 13:01

Hi all,

I'm having some trouble with a brand new DrayTek Vigor 120 modem. Previously I have been running a Linksys AM300 with sync speed of 7.9Mbps / 0.8Mbits until I started having problems.

Per the typical advice of telecom, I tried their router 2wire 2701HGV-W and was getting a sync rate of 8.8Mbps/1Mbps (see full details below)

Modem Type:     Built in modem - ADSL
DSL Line (Wire Pair):     Line 1 (inner pair)
Current DSL Connection:
    Down     Up
Rate:     8838 kbs     954 kbs
Max Rate:     8838 kbs     954 kbs
Noise Margin:     11.4 dB     13.0 dB
Attenuation:     30.3 dB     15.8 dB
Output Power:     18.9 dBm     12.0 dBm

Protocol:     G.DMT2+ Annex A
Channel:     Interleaved
DSLAM Vendor Information     Country: {46336} Vendor: {BDCM} Specific: {62113 }
ATM PVC:     0/100

Rate Cap:     8838 kbs
Attenuation @ 300kHz:     20.8 dB
Uncanceled Echo:     -15.8 dB     Ok
VCXO Frequency Offset:     -58.0 ppm     Ok
Final Receive Gain:     20.8 dB     Ok
Impulse Noise Comp. Tones:     0     Ok
Excessive Impulse Noise:     0

However, this modem has junk I don't want or need such as wireless, firewall that can't be disabled and DMZPlus mode that just doesn't work.

So I ordered a Vigor 120 in the hopes I could run PPPoA -> PPPoE bridged and get only what I need. However, the sync speeds for this new modem are almost half of the other two. Anywhere from 4.6Mbps to 5.5Mbps download.

--------------------------- ATU-R Info (hw: annex A, f/w: annex A) -----------
   DSL Modulation          : ADSL2+(G.992.5)
   State                   : SHOWTIME
   DS Actual Rate          : 5647496 bps   US Actual Rate       : 1001118 bps
   DS Attainable Rate      : 6692000 bps   US Attainable Rate   : 1001000 bps
   DS Path Mode            :        Fast    US Path Mode         :        Fast
   DS Interleave Depth     :       64       US Interleave Depth :        1
   NE Current Attenuation :       33 dB    Cur SNR Margin       :       14 dB
   DS actual PSD           :    18. 4 dB    US actual PSD        :    12. 1   dB
   ADSL Firmware Version   : 321311_A
-------------------------------- ATU-C Info ---------------------------------
   Far Current Attenuation :       14 dB    Far SNR Margin       :       11 dB
   CO ITU Version[0]       : 00004244       CO ITU Version[1]    : 0000434d
   DSLAM CHIPSET VENDOR    : < BDCM >

It seems the DSLAM is using a broadcom chipset. But the AM300 has a TI one and still was syncing faster. I don't know my distance, but est based on 2wire attenuation of 1.5km.

Is there anything that can be done to get a better speed out of the vigor? I've tried playing with the modulation but no luck.

I'm running the modem direct to a Linux box for firewall routing btw.

Cheers

Author MHEG2XMLTV https://sourceforge.net/projects/mheg2xmltv/
See my blog at http://epic.geek.nz/

1 | 2 | 3

4015 posts

Uber Geek
+1 received by user: 1851

ID Verified

Trusted

Lifetime subscriber

#1087087 11-Jul-2014 13:13

If you have just purchased the DV120 it is old stock. It was replaced with the DV130 over 6 months ago... Maybe up to a year ago.

Draytek.com.au has several different firmware versions for different dslam compatability. You could try these.

“Don't believe anything you read on the net. Except this. Well, including this, I suppose.” Douglas Adams

coffeebaron

6304 posts

Uber Geek
+1 received by user: 3566

Trusted

Lifetime subscriber

#1087129 11-Jul-2014 13:47

Have you got a master filter installed. I've seen on good lines some of the highest sync rates using the 120, but often they do sync lower on poor lines for better stability

Rural IT and Broadband support.

Broadband troubleshooting and master filter installs.
Starlink installer - one month free: https://www.starlink.com/?referral=RC-32845-88860-71
Wi-Fi and networking
Cel-Fi supply and installer - boost your mobile phone coverage legally

Need help in Auckland, Waikato or BoP? Click my email button, or email me direct: [my user name] at geekzonemail dot com

solorvox

51 posts

Master Geek
+1 received by user: 5

#1087130 11-Jul-2014 13:48

Dynamic: If you have just purchased the DV120 it is old stock. It was replaced with the DV130 over 6 months ago... Maybe up to a year ago.

Draytek.com.au has several different firmware versions for different dslam compatability. You could try these.

I did just buy it on Ascent for $98.

I did try the site http://www.draytek.com.au/downloads.php?type=Vigor120, but their latest firmware shows 3.2.4.4 3431301 from 2010 when the modem shows:

3.2.6 321311_A Hardware: Annex A

Should I have gotten the DV130 instead? They have a nasty restocking fee for this kind of thing. :(

Author MHEG2XMLTV https://sourceforge.net/projects/mheg2xmltv/
See my blog at http://epic.geek.nz/

solorvox

51 posts

Master Geek
+1 received by user: 5

#1087149 11-Jul-2014 13:52

coffeebaron: Have you got a master filter installed. I've seen on good lines some of the highest sync rates using the 120, but often they do sync lower on poor lines for better stability

I'm renting and the landlord is not willing to allow anything. But still, a 4.6 vs 8.8 is a huge gap. And since two other chipsets/modems work at 8-9Mbps, I would expect the DV120 be at least close to that. Even 7 would be better than 5ish.

Author MHEG2XMLTV https://sourceforge.net/projects/mheg2xmltv/
See my blog at http://epic.geek.nz/

Dynamic

4015 posts

Uber Geek
+1 received by user: 1851

ID Verified

Trusted

Lifetime subscriber

#1087158 11-Jul-2014 13:58

solorvox: Should I have gotten the DV130 instead? They have a nasty restocking fee for this kind of thing. :(

Sorry, my bad. I thought the DV130 was a replacement for the DV120 but I've just re-checked and I see the DV120 is a current product. The DV130 is more expensive, but does VDSL as well.

You'll see at http://www.draytek.com.au/downloads.php?type=Vigor120 that they have different firmware versions for different modem codes "for getting better operability with different ISPs/ IPDSLAMs". I've never taken the time to try these out on any of my Draytek devices.

“Don't believe anything you read on the net. Except this. Well, including this, I suppose.” Douglas Adams

solorvox

51 posts

Master Geek
+1 received by user: 5

#1087167 11-Jul-2014 14:13

Dynamic:
solorvox: Should I have gotten the DV130 instead? They have a nasty restocking fee for this kind of thing. :(

Sorry, my bad. I thought the DV130 was a replacement for the DV120 but I've just re-checked and I see the DV120 is a current product. The DV130 is more expensive, but does VDSL as well.

You'll see at http://www.draytek.com.au/downloads.php?type=Vigor120 that they have different firmware versions for different modem codes "for getting better operability with different ISPs/ IPDSLAMs". I've never taken the time to try these out on any of my Draytek devices.

Turns out it's actually version 2 Vigor120 here http://www.draytek.com.au/downloads.php?type=Vigor120v2

However, I can't seem to find a way to use their IOP modem codes to match a broadcom DSLAM. I'd rather not try 10+ different firmwares looking for the right one. :p

Author MHEG2XMLTV https://sourceforge.net/projects/mheg2xmltv/
See my blog at http://epic.geek.nz/

Apple TV

Stream your favourite shows now on Apple TV (affiliate link).

Dynamic

4015 posts

Uber Geek
+1 received by user: 1851

ID Verified

Trusted

Lifetime subscriber

#1087176 11-Jul-2014 14:24

Someone else has looked into this 'which firmware' issue for you: http://www.base64.co.nz/choosing-firmware-draytek-adsl-routers/

“Don't believe anything you read on the net. Except this. Well, including this, I suppose.” Douglas Adams

solorvox

51 posts

Master Geek
+1 received by user: 5

#1087199 11-Jul-2014 14:34

Cheers for that.

However, it seems to have made no difference after flashing with that version. Maybe a bit slower in fact.

--------------------------- ATU-R Info (hw: annex A, f/w: annex A) -----------
   DSL Modulation          : ADSL2+(G.992.5)
   State                   : SHOWTIME
   DS Actual Rate          : 5461333 bps   US Actual Rate       :   980977 bps
   DS Attainable Rate      : 5792000 bps   US Attainable Rate   :   980000 bps
   DS Path Mode            :        Fast    US Path Mode         :        Fast
   DS Interleave Depth     :       64       US Interleave Depth :        1
   NE Current Attenuation :       33 dB    Cur SNR Margin       :       12 dB
   DS actual PSD           :    18. 4 dB    US actual PSD        :    12. 1   dB
   ADSL Firmware Version   : 332201_A
-------------------------------- ATU-C Info ---------------------------------
   Far Current Attenuation :       14 dB    Far SNR Margin       :       11 dB
   CO ITU Version[0]       : 00004244       CO ITU Version[1]    : 0000434d
   DSLAM CHIPSET VENDOR    : < BDCM >

Defective modem maybe? Or just not a good match for my DSLAM?

Author MHEG2XMLTV https://sourceforge.net/projects/mheg2xmltv/
See my blog at http://epic.geek.nz/

Dynamic

4015 posts

Uber Geek
+1 received by user: 1851

ID Verified

Trusted

Lifetime subscriber

#1087216 11-Jul-2014 14:41

Hmmmm... beyond my experience to comment any further. We use the Draytek's quite extensively on commercial sites and have not seen any performance decreases when installing them.

“Don't believe anything you read on the net. Except this. Well, including this, I suppose.” Douglas Adams

sbiddle

30853 posts

Uber Geek
+1 received by user: 9996

Retired Mod

Trusted

Biddle Corp

Lifetime subscriber

#1087248 11-Jul-2014 15:26

Are you in a 10Mbps zone according to the Chorus coverage maps?

solorvox

51 posts

Master Geek
+1 received by user: 5

#1087263 11-Jul-2014 15:34

sbiddle: Are you in a 10Mbps zone according to the Chorus coverage maps?

According to their website: http://www.chorus.co.nz/network-upgrade-map

Network capability:

Broadband > 10 Mbps

However, I've never seen over 8.8Mbps with any modem. Is there way to find out how far I am from the exchange?

Author MHEG2XMLTV https://sourceforge.net/projects/mheg2xmltv/
See my blog at http://epic.geek.nz/

Mighty Ape

Shop now at Mighty Ape (affiliate link).

sbiddle

30853 posts

Uber Geek
+1 received by user: 9996

Retired Mod

Trusted

Biddle Corp

Lifetime subscriber

#1087383 11-Jul-2014 18:07

That's pretty high attenuation for a 10Mbps zone. First thing is to really look at your internal wiring and eliminate that.

solorvox

51 posts

Master Geek
+1 received by user: 5

#1087416 11-Jul-2014 19:08

sbiddle: That's pretty high attenuation for a 10Mbps zone. First thing is to really look at your internal wiring and eliminate that.

That might explain the slower than 10Mbps, but what about the DV120 getting 5Mbps when two other modems get 8+?

Sure I'd like to improve the wiring, but since I'm renting not much I can do about that at the moment.

Author MHEG2XMLTV https://sourceforge.net/projects/mheg2xmltv/
See my blog at http://epic.geek.nz/

sbiddle

30853 posts

Uber Geek
+1 received by user: 9996

Retired Mod

Trusted

Biddle Corp

Lifetime subscriber

#1087427 11-Jul-2014 19:16

solorvox:
sbiddle: That's pretty high attenuation for a 10Mbps zone. First thing is to really look at your internal wiring and eliminate that.

That might explain the slower than 10Mbps, but what about the DV120 getting 5Mbps when two other modems get 8+?

My first answer to that is wiring.

A bitloading graph would potentially explain a lot. Not all modems are created equally, and performance across all the bins can vary between different devices.

solorvox

51 posts

Master Geek
+1 received by user: 5

#1087442 11-Jul-2014 19:31

This might have what you want. Typical sync speeds are 8.5 to 8.8Mbps with this modem, and 7.9Mbps - 8.4Mbps for the Linksys am300.

DSL Diagnostics - Training History

Physical Line 1

General Information

DSL Line (Wire Pair):

Line 1 (inner pair)

Downstream Rate Cap:

20004 kbps

Downstream Atten. at 300kHz:

20.9 dB

Uncancelled Echo:

-13.5 dB

VCXO Frequency Offset:

-52.3 ppm

Final Rx Gain:

20.8 dB

Impulse Noise Comp. Tones:

Excessive Impulse Noise:

Impulse noise protection:

2.00

Delay of latency path:

13.92 ms

Training History

Downstream

Upstream

Time

Line

Rate

Max1

Max2

Max3

Mgn1

Mgn2

Attn

Pwr

CRCs

FECs

INP

DLY

Rate

Max

Mgn

Attn

Pwr

CRCs

FECs

Mode

Vendor

State

Exit Code

Echo

VCXO

Rx Gain

INC Tones

2014/07/11 19:25:59 NZS

0.0

30.4

0.0

0.00

0.0

15.8

0.0

G.DMT2+ Annex A

Broadcom

223/93

ERR_INCONSISTENT_SIGNAL

-7.7

-52.6

20.8

2014/07/11 19:27:16 NZS

8542

8225

8237

12.2

12.7

30.4

18.9

2.00

13.92

954

953

11.9

15.8

12.0

G.DMT2+ Annex A

Broadcom

236/104

N/A

-13.5

-52.3

20.8

Bitloading

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                 
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                 
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                 
             | |  |||||||                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        
           |||||||||||||||||                                  ||||||||| |||||||||||||||||||||||||||                                                                                                                                                                                                                                                                                                                                                                                                                              
         |||||||||||||||||||||                        ||||||||||||||||| ||||||||||||||||||||||||||||||||||                                                                                                                                                                                                                                                                                                                                                                                                                       
         ||||||||||||||||||||||  |      ||||||||||||||||||||||||||||||| |||||||||||||||||||||||||||||||||||||||||||                                                                                                                    |||                |                                                                                                                                                                                                                                                                      
         ||||||||||||||||||||||  |   |||||||||||||||||||||||||||||||||| ||||||||||||||||||||||||||||||||||||||||||||||||||||| |||||||||||||||||| ||||||||                                                                        |||||||||||||||    ||||||||||||||||| ||||||||||||                ||                                                                                                                                                                                                                             
        |||||||||||||||||||||||  | |||||||||||||||||||||||||||||||||||| |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||| |||||||||||                 ||||||                                     |||     |||||||||||||||||   ||||||||||||||||||||||||||||||||||    |||||||||||||||||         ||| |                                                                                                                                                                                                        
        |||||||||||||||||||||||  |||||||||||||||||||||||||||||||||||||| |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||| ||||||||||||           |||||||||||||||                               ||||||   ||||||||||||||||||| ||||||||||||||||||||||||||||||||||||  ||||||||||||||||||||     ||||||||||         ||| ||||||| |                                                                                                                                                                               
       ||||||||||||||||||||||||  |||||||||||||||||||||||||||||||||||||| |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||| |||||||||||||       ||||||||||||||||||||        ||||||||||         |||||||||  ||||||||||||||||||| ||||||||||||||||||||||||||||||||||||  ||||||||||||||||||||    ||||||||||||     |||||||||||||||||||||||||                                                                                                                                                                      
       ||||||||||||||||||||||||  |||||||||||||||||||||||||||||||||||||| |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||    |||||||||||||||||||||||     |||||||||||||||     |||||||||| |||||||||||||||||||| ||||||||||||||||||||||||||||||||||||| |||||||||||||||||||||  ||||||||||||||   |||||||||||||||||||||||||||  |||||||||                ||||||||||||||||||||||||||||||||||                                                                                                        
       ||||||||||||||||||||||||  |||||||||||||||||||||||||||||||||||||| |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||    |||||||||||||||||||||||     |||||||||||||||     |||||||||| |||||||||||||||||||| ||||||||||||||||||||||||||||||||||||| |||||||||||||||||||||  ||||||||||||||   |||||||||||||||||||||||||||  |||||||||                ||||||||||||||||||||||||||||||||||                                                                                                        
       ||||||||||||||||||||||||  |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||  |||||||||||||||||||||||||  |||||||||||||||||||  ||||||||||| |||||||||||||||||||| |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||| ||||||||||||||| |||||||||||||||||||||||||||||||||||||||||||      |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||                                                                 
       ||||||||||||||||||||||||  |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||  |||||||||||||||||||||||||  |||||||||||||||||||  ||||||||||| |||||||||||||||||||| |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||| ||||||||||||||| |||||||||||||||||||||||||||||||||||||||||||      |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||                                                                 
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 
|               |               |               |               |               |               |               |               |               |               |               |               |               |               |               |               |               |               |               |               |               |               |               |               |               |               |               |               |               |               |               |               | 
0               16              32              48              64              80              96             112             128             144             160             176             192             208             224             240             256             272             288             304             320             336             352             368             384             400             416             432             448             464             480             496             512

Notes

Time

Time of last update

Max1

Max. rate at start of connection

Max2

Current or final estimated max. rate

Max3

Current or final estimated max. rate without INC

Mgn1

Noise margin at start of connection

Mgn2

Current or final noise margin

DLY

Delay of latency path

Author MHEG2XMLTV https://sourceforge.net/projects/mheg2xmltv/
See my blog at http://epic.geek.nz/

1 | 2 | 3