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39 posts

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# 77697 21-Feb-2011 00:29
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Hi guys, around three months ago we were having issues with our Internet dropping out. We have a splitter on our line with a dedicated cat 6 run for the adsl. Were only 200M of copper from the roadside cabinet according to the chorus tech who came out to troubleshoot. The chorus tech said after checking our house wiring that our sync speeds should be just about maxing out. He wanted to check our modem so took me to the roadside cabinet and we plugged our modem and had the same sync rates give or take 200KB's so he plugged in one of his with the same result, He changed the port but it was the same result. So i am wondering if telecom is throttling the sync speed at the roadside cabinet bur/w in Christchurch.


--- System Information ---
Vendor: Linksys
ModelName: WAG120N
Firmware Version: A1.00.16 , 2010-08-06T14:08:04
GUI Version: A1.00.16_007
Boot Version: 1.0.37-5.4
Hardware Version: 0.01

--- DSL Information ---
DSL Driver Version:  3.4.4.10.0.1
DSL VPI/VCI:         0/100
DSL Status:          Up
DSL Mode:            ADSL2+
DSL Channel:         0
DSL Upstream Rate:   1240 kbps
DSL Downstream Rate: 15480 kbps

                      Down         up   
DSL Noise Margin:     127 dB       111 dB
DSL Attenuation:       51 dB       159 dB
DSL Transmit Power:  -380 dBm     -400 dBm

[Moderator edit (MF): moved to correct forum]
 

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  # 441799 21-Feb-2011 07:43
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Hi, I dont believe the do, however their may be no optimal or incorrect profiles applied to the two ports you have been connected to (yours and the test one the tech used). Its simply a matter of Telecom rebuilding the ports setup.

It also could be that some line condition in the areas has forced conservative profiles to be put in place.

I would ask your ISP to perform a port reset (after explaining whats happened) they may simply tell you to stuff off as your speeds are fine, or they may investigate further, pity the tech did not raise the issue.

Cyril

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  # 441805 21-Feb-2011 08:06
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That seems like a good ADSL connection. Your download rate is limited slightly compared to mine. I usually sit on 18Mbit/s and you won't get over that because of the noise restrictions placed on the ADSL lines by Telecom.

Your upload speed is most excellent (jealous). I usually sit on 950kbit/s.

 
 
 
 


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  # 441822 21-Feb-2011 09:23
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No, the Sync rates aren't artificially constrained at the cabinets. What you get is a result of the negotiation between the DSLAM and your ADSL device. Your speed is good, but I have seen higher - sorry I can't comment on what might specifically be hurting your last few mbps - sounds like you've done the appropriate troubleshooting so far.

If you'd like, PM me your number and I'll pass to the appropriate person to have a look and see if there's anything obviously wrong. (Also, do you have interleaving on or off?)

Cheers - N




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Please note all comments are the product of my own brain and don't necessarily represent the position or opinions of my employer, previous employers, colleagues, friends or pets.


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  # 441834 21-Feb-2011 10:11
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Oh, also, you mentioned that the original issue was dropouts... Were these resolved by the technician (or by random banging of things with a hammer) or do the dropouts still persist?

Cheers - N




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Please note all comments are the product of my own brain and don't necessarily represent the position or opinions of my employer, previous employers, colleagues, friends or pets.


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  # 442083 21-Feb-2011 19:51
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The older Linksys WAG units aren't the best ADSL modems around, it's probably just negotiating a slighty lower sync speed for stability.

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  # 442086 21-Feb-2011 19:56
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Might explain why my router can't sync higher than 18.7mb, am only 2 doors away from the cabinet tho the original one used to be across the road

I did e-mail telecom the other day too asking bout turning interleaving off but not heard back yet



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  # 442094 21-Feb-2011 20:19
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Hi guys thanks for your interest. We got on the phone this morning with telecom who changed our profile and our sync speeds have now gone down a little. We have taken talkiet up on his offer and hope to get some more info soon. we will update this post when we find out more.

Cheers Rick And Nat


 --- System Information ---
Vendor: Linksys
ModelName: WAG120N
Firmware Version: A1.00.16 , 2010-08-06T14:08:04
GUI Version: A1.00.16_007
Boot Version: 1.0.37-5.4
Hardware Version: 0.01

--- DSL Information ---
DSL Driver Version:  3.4.4.10.0.1
DSL VPI/VCI:         0/100
DSL Status:          Up
DSL Mode:            ADSL2+
DSL Channel:         0
DSL Upstream Rate:   1176 kbps
DSL Downstream Rate: 12664 kbps

                      Down         up   
DSL Noise Margin:     158 dB       152 dB
DSL Attenuation:       51 dB       159 dB
DSL Transmit Power:  -380 dBm     -400 dBm

--- Wireless Information ---
Wireless Driver Version: "2.2.0.5"
Wireless Tools Version:
Wireless Status: Enabled
Wireless Wide Channel: 3
Wireless Standard Channel: 5- 2.432GHZ
Wireless SSID: bashbully

--- Dynamic Information ---
LAN Mac Address: 00:25:9C:80:F8:19
WAN Mac Address: 00:25:9C:80:F8:1B
Wireless Mac Address: 00:25:9C:80:F8:1A

---
   

 
 
 
 


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  # 444505 1-Mar-2011 17:21
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I just had Telecom turn off Interleaving on our line and noticed a fairly good improvement, have gone from 18mb to 21.1mb

--- DSL Information ---
DSL Driver Version: 3.4.4.10.0.1
DSL VPI/VCI: 0/100
DSL Status: Up
DSL Mode: ADSL2+
DSL Channel: 0
DSL Upstream Rate: 1017 kbps
DSL Downstream Rate: 21110 kbps

Down up
DSL Noise Margin: 141 dB 119 dB
DSL Attenuation: 141 dB 61 dB
DSL Transmit Power: -381 dBm -431 dBm

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  # 444515 1-Mar-2011 17:54
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Hi, what are your ping times (use cmd ping) to various servers, xnet.co.nz etc.

Cyril

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  # 444524 1-Mar-2011 18:42
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Pinging www.xnet.co.nz [58.28.6.142] with 32 bytes of data:
Reply from 58.28.6.142: bytes=32 time=11ms TTL=57
Reply from 58.28.6.142: bytes=32 time=12ms TTL=57
Reply from 58.28.6.142: bytes=32 time=11ms TTL=57
Reply from 58.28.6.142: bytes=32 time=11ms TTL=57

Pinging www.orcon.net.nz [60.234.4.77] with 32 bytes of data:
Reply from 60.234.4.77: bytes=32 time=9ms TTL=59
Reply from 60.234.4.77: bytes=32 time=7ms TTL=59
Reply from 60.234.4.77: bytes=32 time=7ms TTL=59
Reply from 60.234.4.77: bytes=32 time=7ms TTL=59

Pinging idm-er-proxy.clear.net.nz [203.97.33.178] with 32 bytes of data:
Reply from 203.97.33.178: bytes=32 time=23ms TTL=56
Reply from 203.97.33.178: bytes=32 time=22ms TTL=56
Reply from 203.97.33.178: bytes=32 time=22ms TTL=56
Reply from 203.97.33.178: bytes=32 time=22ms TTL=56

Pinging www.iconz.co.nz [210.48.24.16] with 32 bytes of data:
Reply from 210.48.24.16: bytes=32 time=11ms TTL=56
Reply from 210.48.24.16: bytes=32 time=12ms TTL=56
Reply from 210.48.24.16: bytes=32 time=11ms TTL=56
Reply from 210.48.24.16: bytes=32 time=13ms TTL=56

can't find a telecom server that will answer a ping

Note: Pings are via a wireless-N connection 

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