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35 posts

Geek


Topic # 31683 26-Mar-2009 20:36
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Just wondering if anyone had had a similar experience:

speed tests across several machines, using several different browsers within our wireless and wired network at home are consistent: speeds around 4Mb down, 100k up. Two OS's, four different machines.

problem is that whilst the connection is ostensibly running at what passes for full rate here, experience is saying it's throughput is slow.

Using several different smtp servers for the domains I use, those not using the smtp.ihug.co.nz port are dropping and taking two tries to send

Secure connections [Google mail/docs/igoogle] and facebook connections [I know, how puerile, but there's four teenagers here] and imap connections to gmail keep getting dropped or take two attempts to connect.

I've swapped out filters

I've restarted routers

I've tried hardwiring wireless computers

I've tried wirelessing normally hardwired computers

Deleting cookies for FaceBook allowed initial access, but then subsequent efforts failed again.

Anyone have any ideas?

First time poster, long time lurker

Adrian

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51 posts

Master Geek


  Reply # 203954 29-Mar-2009 11:16
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What are your modem DSL connection stats?



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Geek


  Reply # 203956 29-Mar-2009 11:22
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varies between 1.8Mb and 3.8mb down and 100k up. Fairly normal for distance from exchange,

dan

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Ultimate Geek
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  Reply # 203957 29-Mar-2009 11:29
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what are the actual stats from the router?

done some tracerts/pings to those servers and others to check for packetloss?

have you tried another router?

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Master Geek


  Reply # 203961 29-Mar-2009 11:33
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Looks like your modem could be disconnecting


Does the DSL light on the modem go off or flash when your having internet problems and does this happen on all the computers in the house?


Also as dan said it would be good if you copy and paste the actual stats from the modem



35 posts

Geek


  Reply # 203985 29-Mar-2009 14:21
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DSL statistics

hardware-type ALCATEL / DMT
hardware-rev 99111601 / POTS / CP
firmware-rev 3.8.123
activity-status OPER / FULL
near-end far-end
maximum-bitrate 4576 kbits 544 kbits
actual-bitrate 4512 kbits 160 kbits
noise-margin 10.5 dB 31.0 dB
output-power 11.5 dBm 20.0 dBm
attenuation 41.5 dB 23.0 dB
corr-fast-fec 0 0
corr-intl-fec 160 0
fail-fast-crc 0 0
fail-intl-crc 1 0
fail-fast-hec 0 0
fail-intl-hec 2 0
flaged-alarms NONE NONE

IP statistics


forwarding FORWARDING out-discards 0
default-ttl 255 out-no-routes 4
in-receives 333516 reasm-timeout 5
in-hdr-errors 0 reasm-reqds 0
in-addr-errors 283 reasm-OKs 0
forw-datagrams 331474 reasm-fails 0
in-unknown-protos 0 frag-OKs 0
in-discards 0 frag-fails 0
in-delivers 223 frag-creates 0
out-requests 569 routing-discards 256


hope that helps?

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Uber Geek
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  Reply # 204048 29-Mar-2009 20:43
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Do a tracert to some of the problematic websites and post the results here.



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Geek


  Reply # 204056 29-Mar-2009 20:58
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nate: Do a tracert to some of the problematic websites and post the results here.


any idea on how to do that?

plug the URL into the router and then ping it?

30 posts

Geek


  Reply # 204098 30-Mar-2009 02:56
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Ninefish:
nate: Do a tracert to some of the problematic websites and post the results here.


any idea on how to do that?

plug the URL into the router and then ping it?


Start -> Run -> Cmd

Tracert <problematic website> (without the <>'s)

After it's complete left click in top left-hand corner of the window, and go edit -> mark then select the text with your mouse and finally hit enter/return to copy it to the clipboard, then paste here.

Should look similar to this (except addresses will differ):

tracert



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Master Geek
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  Reply # 204111 30-Mar-2009 08:59
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Are you on the vodafone red network? I saw a thread talking about similar issues on nznog, the solution was to reduce the mtu from 1500 to 1492.

http://list.waikato.ac.nz/pipermail/nznog/2009-March/015314.html



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Geek


  Reply # 204132 30-Mar-2009 10:51
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Tzleren:
Start -> Run -> Cmd


OK tried that on my mac and got the following for www.facebook.com

Traceroute has started ...

traceroute to www.facebook.com (69.63.176.140), 64 hops max, 40 byte packets
 1  192.168.1.254 (192.168.1.254)  10.556 ms  20.911 ms  2.081 ms
 2  gi1-0-1.wlg-wtc-bras1.ihug.net (203.109.130.225)  868.771 ms  923.639 ms  916.527 ms
 3  gi1-0-1.wlg-wtc-core1.ihug.net (203.109.130.226)  992.095 ms  921.627 ms  925.337 ms
 4  gi5-1-0.akl-grafton-edge2.ihug.net (203.109.130.162)  997.741 ms  1003.557 ms  842.233 ms
 5  gi5-0-0.akl-grafton-edge1.ihug.net (203.109.130.161)  979.154 ms  885.564 ms  909.515 ms
 6  gi15-2.gw1.akl1asianetcom.net (203.192.166.41)  991.846 ms  756.421 ms  949.832 ms
 7  gi15-2.gw1.akl1asianetcom.net (203.192.166.41)  936.833 ms  911.209 ms  934.493 ms
 8  po8-3.gw1.sjc1.asianetcom.net (202.147.55.206)  1075.674 ms  958.615 ms  938.593 ms
 9  ge-2-2-1.ar1.sjc2.gblx.net (208.49.195.33)  1001.751 ms  958.254 ms  882.411 ms
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----------------------------------------
Tracert not completing, whilst this same action for ninefish.com came Back with this

Traceroute has started ...

traceroute to ninefish.com (202.27.222.252), 64 hops max, 40 byte packets
 1  192.168.1.254 (192.168.1.254)  3.296 ms  18.640 ms  18.391 ms
 2  gi1-0-1.wlg-wtc-bras1.ihug.net (203.109.130.225)  933.495 ms  798.737 ms  910.499 ms
 3  gi1-0-1.wlg-wtc-core1.ihug.net (203.109.130.226)  233.012 ms  64.719 ms  118.768 ms
 4  gi5-1-0.akl-grafton-edge2.ihug.net (203.109.130.162)  397.083 ms  333.196 ms  188.461 ms
 5  gi5-0-0.akl-grafton-edge1.ihug.net (203.109.130.161)  304.591 ms  301.816 ms  328.234 ms
 6  vodafone1.ape.net.nz (192.203.154.36)  530.846 ms  591.364 ms  499.544 ms
 7  kci.ape.net.nz (192.203.154.78)  716.996 ms  732.066 ms  756.498 ms
 8  netsmart.ape.net.nz (192.203.154.90)  733.691 ms  554.005 ms  330.473 ms
 9  202.27.83.18 (202.27.83.18)  437.707 ms  298.372 ms  404.216 ms
10  202.36.154.198 (202.36.154.198)  441.557 ms *  1050.161 ms
11  202.36.154.198 (202.36.154.198)  1260.033 ms  1363.332 ms  985.070 ms
-------------------------------------------------------------

Same issue with gmail site, doesn't conclude tracert

Is this an issue or not?



35 posts

Geek


  Reply # 204133 30-Mar-2009 10:52
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portunus: Are you on the vodafone red network? I saw a thread talking about similar issues on nznog, the solution was to reduce the mtu from 1500 to 1492.

http://list.waikato.ac.nz/pipermail/nznog/2009-March/015314.html


No, just [ihug] vodafone landline, not ADSL2 yet either

dan

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  Reply # 204136 30-Mar-2009 11:10
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first, your router is pinging quite high for something on a LAN, usually it would be around 1ms, but yours went from 10 to 20 to 2ms

your next hop is a massive 800 to 900ms, should be less than 10% of that

FYI is is my first few hops to facebook for you to compare

Tracing route to www.facebook.com [69.63.180.15]
over a maximum of 30 hops:

  1    <1 ms    <1 ms    <1 ms  192.168.1.11
  2    23 ms    22 ms    22 ms  lo1.ras1.nct.orcon.net.nz [60.234.8.201]
  3    22 ms    23 ms    21 ms  ge-0-0-4-0.cre1.nct.orcon.net.nz [121.98.9.1]
  4    22 ms    25 ms    24 ms  ae1-0.cre2.nct.orcon.net.nz [121.98.9.14]
  5    24 ms    25 ms    22 ms  ge-1-3-0-0.bdr2.nct.orcon.net.nz [121.98.9.38]



I would try another DSL router to see if that is the issue ..



35 posts

Geek


  Reply # 204143 30-Mar-2009 11:32
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dan: I would try another DSL router to see if that is the issue ..


I'll see if I can borrow one from somewhere

thanks for the discombobulation

Adrian

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