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> Things to do / Self-investigation (streamyx only), *updated - what to do when mis-capped (Broadband Problems)

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ck2055
post Aug 21 2005, 03:36 PM
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need more info in crc error


This post has been edited by ck2055: Aug 21 2005, 03:55 PM
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amenlo9
post Aug 22 2005, 06:13 PM
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QUOTE(SnoWFisH @ Aug 20 2005, 04:21 AM)
amenlo9:a lot of thunderstorms around ur area? how about construction?

CRC errors generally are due to the data are changed/damaged/loss en route to ur. maybe due to attenuation or routers error. each data packet has a crc checksum for the router recalculate to see if the data packet received is 100% complete. if its not, it will be discarded. basically there's nothing much u can do about crc error,most of the time the cause is due to the fault of the transmission medium. in other words, ur telephone line (most probably).

interleaved - slower but less error
fast  - fast but might have more error
these are posted somewhere in the forums but i cant recall....

i try to answer the rest of the questions later k...i doing assignment now......hard disk kena bad sector today just got replacement  sweat.gif
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yeap,my modem become dc frequently after a ligthening struck!!so now it will be always dc and snr margin is low.i wonder how come u know that?
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ck2055
post Aug 22 2005, 06:27 PM
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how about loss of signal and what the ideal number for line
atteunation

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amadeo
post Aug 23 2005, 05:58 PM
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QUOTE(ck2055 @ Aug 22 2005, 06:27 PM)
how about loss of signal and what the ideal number for line
attenuation
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Pls refer to http://forum.lowyat.net/index.php?showtopi...dpost&p=4561212
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davidsk2002
post Aug 25 2005, 04:34 AM
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i would like to ask that do my download stream SNR margin still ok r?and also the line attenuation?

thank alot.
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mfa333
post Aug 25 2005, 11:24 PM
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lower SNR means slower speed??
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SnoWFisH
post Aug 26 2005, 12:42 AM
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SNR means the stability of ur connection, it does not have anything to do with ur connection speed. connection speed depends on latency and bandwidth.

davidsk2002 : should be quite stable..maybe 1 day 1-2 times dc......are u connecting directly to ur phone port?

amenlo9: hehe..thats the common cause tongue.gif.
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BlitzAce
post Aug 26 2005, 03:40 PM
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These are mine..

Vendor ID: 00B5GSPN
Revision Number: Y.1.31.1
Serial Number: KAV2PM200409
Local Tx Power: 11.75 dB
Remote Tx Power: 15.19 dB
Local Line Atten.: 53.0 dB
Remote Line Atten.: 31.5 dB
Local SNR Margin: 11.5 dB
Remote SNR Margin: 23.0 dB
Self Test: Passed
DSL Standard: G.dmt
Trellis Coding: Enable
Framing Structure: Framing-3

Currently makes me feel like user posted image user posted image Any comments are greatly appreciated.
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unstoppable
post Aug 29 2005, 10:05 PM
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this is mine..what a crap sad.gif
but i never face disconnect problem smile.gif

This post has been edited by unstoppable: Aug 29 2005, 10:05 PM

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amenlo9
post Aug 31 2005, 03:27 PM
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my snr margin will drop after online for a long time,is this normal?i on my pc 24/7.initially i will get 31db,after that my snr margin will drop slowly....besides,my attenuation is 46db
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amenlo9
post Aug 31 2005, 03:28 PM
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QUOTE(unstoppable @ Aug 29 2005, 10:05 PM)
this is mine..what a crap sad.gif
but i never face disconnect problem smile.gif
*


how about your speed?fast or not?
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bluesky87
post Sep 3 2005, 05:08 PM
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uhh, doh...i've been struggling for more than 2month...da problem is dat i couldnt sign in to my hotmail acc...i could enter www.hotmail.com, but after i've type out my email add n pass, it came out 'da page couldnt b display'...n when i click 'back', itz written there 'da page has expired'... shakehead.gif

i called tmnet, they asked me to do stuff like :
tool > internet option > delete cookies,
create a new network connection,
try using other browser like firefox, netscape, etc (i'm currently using msn explorer which i couldnt even sign in also)
reset modem, unplug replug etc
change DNS num, proxy
try using yahoo mail (it work) only hotmail couldnt sign in

alright, it wouldnt work no matter wurt... doh.gif until 2day i still couldnt sign in my msn explorer or check my mail...btw, di important point is dat i could surf to other website very well, no probz at all...any solution pls ? sad.gif
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SnoWFisH
post Sep 4 2005, 09:40 PM
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BlitzAce : looks like telephone line problem lor...........the port quite far from ur area?

amenlo9 : there are many factors due to SNR drops, it doesn stay stable all the time, but it shouldnt have much drastic change, unless something drastic happens.

unstoppable: thats good smile.gif

bluesky87: never liked hotmail....i think its the routing problem...since yahoo mail can open.

anyway guys, try this.
open ur cmd window, type

ping 219.93.218.177 -t
this would ping streamyx gateway infinitely, u can see whether the problem lies where. if there's a lot of timeouts here, then u knw where the problem lies. typical ping here is around 50-80ms

if there's no problem, then do this
ping 202.188.0.133 -t
this would ping the DNS server infinitely, to test connection to DNS servers

ping google.com -t
this would ping google.com, to test international links

basically the route path is
You -> Gateway (219.93.218.177) -> DNS server (202.188.0.133) -> Destination

Other DNS server ip
202.188.0.132
202.188.1.5 (my personal choice)

updated first page with this info.

for crc error, please do a google on it. i think u can find more accurate information abt it. (sorry im just not good at explaining tongue.gif)

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ixiel
post Sep 4 2005, 11:27 PM
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QUOTE
Reply from 219.93.218.177: bytes=32 time=22ms TTL=126
Reply from 219.93.218.177: bytes=32 time=24ms TTL=126
Request timed out.
Reply from 219.93.218.177: bytes=32 time=22ms TTL=126
Reply from 219.93.218.177: bytes=32 time=22ms TTL=126
Reply from 219.93.218.177: bytes=32 time=21ms TTL=126
Reply from 219.93.218.177: bytes=32 time=22ms TTL=126
Reply from 219.93.218.177: bytes=32 time=38ms TTL=126
Reply from 219.93.218.177: bytes=32 time=24ms TTL=126
Request timed out.
Reply from 219.93.218.177: bytes=32 time=24ms TTL=126
Reply from 219.93.218.177: bytes=32 time=22ms TTL=126
Reply from 219.93.218.177: bytes=32 time=381ms TTL=126
Request timed out.
Request timed out.
Reply from 219.93.218.177: bytes=32 time=36ms TTL=126
Reply from 219.93.218.177: bytes=32 time=42ms TTL=126
Reply from 219.93.218.177: bytes=32 time=53ms TTL=126
Request timed out.




SnowFish,

What may cause the timeout request error when i ping to the gateway? (219.93.218.177) and what should i do..? My internet is very slow lately.. but when downloading/uploading files its quite fast.. only on http request..

hope u can help me troubleshoot b4 i report to tmnet.. my IP is start from 219.xxx

Is it bcoz of my modem+router? Thinking of getting a new one but not sure it's worth it to buy.

thanx..
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ixiel
post Sep 4 2005, 11:31 PM
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QUOTE
Reply from 219.93.218.177: bytes=32 time=22ms TTL=126
Reply from 219.93.218.177: bytes=32 time=24ms TTL=126
Request timed out.
Reply from 219.93.218.177: bytes=32 time=22ms TTL=126
Reply from 219.93.218.177: bytes=32 time=22ms TTL=126
Reply from 219.93.218.177: bytes=32 time=21ms TTL=126
Reply from 219.93.218.177: bytes=32 time=22ms TTL=126
Reply from 219.93.218.177: bytes=32 time=38ms TTL=126
Reply from 219.93.218.177: bytes=32 time=24ms TTL=126
Request timed out.
Reply from 219.93.218.177: bytes=32 time=24ms TTL=126
Reply from 219.93.218.177: bytes=32 time=22ms TTL=126
Reply from 219.93.218.177: bytes=32 time=381ms TTL=126
Request timed out.
Request timed out.
Reply from 219.93.218.177: bytes=32 time=36ms TTL=126
Reply from 219.93.218.177: bytes=32 time=42ms TTL=126
Reply from 219.93.218.177: bytes=32 time=53ms TTL=126
Request timed out.




SnowFish,

What may cause the timeout request error when i ping to the gateway? (219.93.218.177) and what should i do..? My internet is very slow lately.. but when downloading/uploading files its quite fast.. only on http request..

hope u can help me troubleshoot b4 i report to tmnet.. my IP is start from 219.xxx

Is it bcoz of my modem+router? Thinking of getting a new one but not sure it's worth it to buy.

thanx..
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bluesky87
post Sep 5 2005, 01:41 AM
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alright snowfish, thx for ur reply...i noe i'm kinda noob n slow in dis, but will u mind explaining wat do u mean by ' i think its the routing problem ' ?

pls help cry.gif thx
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mfa333
post Sep 5 2005, 06:16 PM
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my param:

user posted image

my snr so low.i know my old telephone line is quiet old.so far no dc.only ard once a mth.any other way to increase that except changing telephone line?and,can u guys check other prob with my param??
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mhchai45
post Sep 5 2005, 09:04 PM
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this is my line within 1.02km from the exchange, i did got fast dl and interleave ul when it got activated.

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amenlo9
post Sep 5 2005, 10:43 PM
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how to know the distance between our line and exchange?
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mhchai45
post Sep 5 2005, 10:55 PM
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QUOTE(amenlo9 @ Sep 5 2005, 10:43 PM)
how to know the distance between our line and exchange?
*



i knew my distance from the exchange when i did online registration.
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