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663 posts

Ultimate Geek

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#60268 23-Apr-2010 08:41
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Ive come across 2 of these in the last week or so and both are very troublesome.  Both have browsed to some websites and not others - a prime example would be www.news.com.  It says its connecting then sits there for ever.  Yesterday I had a customer with one who cant browse to the www.companies.govt.nz website.  There was a technician there from another company doing some other work and he was having problems with certain things as well.  Anyone else come across any stangeness with these routers?  And does anyone have a solution?  Im thinking it could be some dodgy DNS settings or something.  Its definately not computer specific.  If we swapped to a spare modem it all worked fine. 

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  #322046 23-Apr-2010 12:19
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askelon: Ive come across 2 of these in the last week or so and both are very troublesome.  Both have browsed to some websites and not others - a prime example would be www.news.com.  It says its connecting then sits there for ever.  Yesterday I had a customer with one who cant browse to the www.companies.govt.nz website.  There was a technician there from another company doing some other work and he was having problems with certain things as well.  Anyone else come across any stangeness with these routers?  And does anyone have a solution?  Im thinking it could be some dodgy DNS settings or something.  Its definately not computer specific.  If we swapped to a spare modem it all worked fine. 


Are the problems consistent? I have a 2Wire router I can test with and was involved in the project that brought them to the Business Broadband plans.

I'll try the sites you list tonight, but it would be good if you could confirm the EXACT and full URLs that are causing problems. If you could also check in the router GUI and see what DNS servers you have been assigned that would be good as well.

Finally, what plan are you on?

Cheers - Neil G




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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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  #322063 23-Apr-2010 13:07
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I have been using a 2wire for 18months now, and apart from the first one being a OBF, its been rock solid. Never had any problems browsing to certain sites or anything.

 
 
 
 




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Ultimate Geek

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  #322225 23-Apr-2010 21:42
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I havent had problems with previous ones,  only ones that customers have recieved in the last couple of months tops.  Sites that werent working for me from memory are:

www.news.com / cnet.news.com
www.companies.govt.nz

I really cant remember the others anymore but the companies one was definately the big one for one of my customers. 

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  #322236 23-Apr-2010 22:09
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askelon: I havent had problems with previous ones,  only ones that customers have recieved in the last couple of months tops.  Sites that werent working for me from memory are:

www.news.com / cnet.news.com
www.companies.govt.nz

I really cant remember the others anymore but the companies one was definately the big one for one of my customers. 


The one I am testing on is one of the first, but those sites load fine... If you can confirm what DNS IP addresses are assigned to the routers and the firmware version on the routers, I'll get someone to test on a current model.

Cheers - Neil G




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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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  #322250 23-Apr-2010 22:41
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Those sites work fine here.

Here are some router details, and tracerts if it helps you.

Primary DNS: 202.27.158.40
Secondary DNS: 202.27.156.72
Hardware Version: 2701-100655-004
Software Version: 6.1.1.43-basic.tm
DSL Modem 7.2.8





Tracing route to www.companies.govt.nz [203.97.62.216]
over a maximum of 30 hops:

1 <1 ms 1 ms 1 ms homeportal [192.168.1.254]
2 11 ms 11 ms 14 ms 219-89-58-1.dialup.xtra.co.nz [219.89.58.1]
3 * * * Request timed out.
4 20 ms 21 ms 21 ms ae4-20.akcr10.global-gateway.net.nz [202.50.238.49]
5 21 ms 20 ms 21 ms g1-0-0-4.akpr1.global-gateway.net.nz [210.55.202.52]
6 21 ms 21 ms 23 ms ge-2-0-0-906.ie2.telstraclear.net [203.98.18.65]
7 54 ms 30 ms 27 ms clix-moc-nz.cpe.clix.net.nz [203.97.1.106]
8 * * * Request timed out.


Tracing route to c18-rb-gtm1-tron-xw-lb.cnet.com [216.239.122.164]
over a maximum of 30 hops:

1 1 ms 1 ms 2 ms homeportal [192.168.1.254]
2 10 ms 11 ms 11 ms 219-89-58-1.dialup.xtra.co.nz [219.89.58.1]
3 * * * Request timed out.
4 32 ms 20 ms 20 ms ae4-10.akbr5.global-gateway.net.nz [202.37.244.221]
5 21 ms 20 ms 21 ms xe0-0-0-2.akbr4.global-gateway.net.nz [202.50.232.77]
6 22 ms 22 ms 21 ms ae1-10.tkbr9.global-gateway.net.nz [202.50.232.37]
7 158 ms 150 ms 146 ms so6-0-3.labr5.global-gateway.net.nz [122.56.127.34]
8 147 ms 146 ms 146 ms so1-0-1.lebr6.global-gateway.net.nz [202.50.232.174]
9 147 ms 147 ms 146 ms 12.86.75.17
10 179 ms 180 ms 180 ms cr2.la2ca.ip.att.net [12.122.129.110]
11 181 ms 178 ms 180 ms cr2.dlstx.ip.att.net [12.122.28.177]
12 179 ms 178 ms 178 ms gar10.dlstx.ip.att.net [12.122.138.125]
13 181 ms 182 ms 180 ms 12.87.121.22
14 182 ms 180 ms 180 ms c18-rb-gtm1-tron-xw-lb.cnet.com [216.239.122.164]

Trace complete.



Tracing route to gtm-tron-xw.cnet-basic-performance.akadns.net [216.239.122.178]

over a maximum of 30 hops:

1 1 ms 1 ms 1 ms homeportal [192.168.1.254]
2 11 ms 10 ms 11 ms 219-89-58-1.dialup.xtra.co.nz [219.89.58.1]
3 * * * Request timed out.
4 20 ms 21 ms 21 ms ae4-10.akbr5.global-gateway.net.nz [202.37.244.221]
5 20 ms 25 ms 33 ms xe0-0-0-2.akbr4.global-gateway.net.nz [202.50.232.77]
6 22 ms 22 ms 23 ms ae1-10.tkbr9.global-gateway.net.nz [202.50.232.37]
7 147 ms 147 ms 147 ms so6-0-3.labr5.global-gateway.net.nz [122.56.127.34]
8 149 ms 147 ms 206 ms so1-0-1.lebr6.global-gateway.net.nz [202.50.232.174]
9 147 ms 147 ms 146 ms 12.86.75.17
10 180 ms 180 ms 181 ms cr2.la2ca.ip.att.net [12.122.129.110]
11 180 ms 180 ms 180 ms cr2.dlstx.ip.att.net [12.122.28.177]
12 178 ms 178 ms 184 ms gar10.dlstx.ip.att.net [12.122.138.121]
13 179 ms 180 ms 178 ms 12.87.121.22
14 180 ms 180 ms 180 ms c18-rb-gtm2-tron-xw-lb.cnet.com [216.239.122.178]

Trace complete.

431 posts

Ultimate Geek


  #322286 24-Apr-2010 05:20
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I've just changed to Telecom business broadband for my home business and am having similar problems with the 2wire gateway.  There's a whole lot of wedsites that I can't get to, including cnet.com, the 2wire.com support page!!! and the companies office as above.  Plus Westpac internet banking won't work in Firefox but is OK using IE.

Despite getting good results from Speedtest (excellent ping times), browsing is incredibly slow to many sites.  I'll call the Telecom helpdesk this morning and see if they can help, othewise it will be back to my trusty TP-Link.

However, the wireless performance of the 2wire box seems very good, although I have had trouble getting a couple of PCs to connect.




I was a geek before the word was invented!



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Ultimate Geek

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  #322295 24-Apr-2010 08:46
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I have to go do something for one of the customers on Monday so I'll get all the details then. :)

 
 
 
 


431 posts

Ultimate Geek


  #322344 24-Apr-2010 12:12
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Very simple fix - change the upstream MTU from 1500 to 1492.




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Wannabe Geek


  #323561 27-Apr-2010 12:50
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The previous post should resolve it.   Basically from my understanding the 2wire strugles to negotiate the MTU value down if it encounters issues with websites, hence creating the time outs.  If you come across any further issues feel free to drop me a message

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  #323617 27-Apr-2010 13:56
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Another thing you could try is OpenDNS (http://www.opendns.com):

Change the DNS Server's IP's to 208.67.222.222 and 208.67.220.220




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  #323627 27-Apr-2010 14:07
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michaelmurfy: Another thing you could try is OpenDNS (http://www.opendns.com):

Change the DNS Server's IP's to 208.67.222.222 and 208.67.220.220


To be fair, you could try it, but only if you wanted worse performance than your ISP DNS servers, and was happy to not have some of the caching benefits that involve the use of your ISPs DNS servers.

It's been frequently proved that there are no 3rd party DNS servers that are better than ISP DNS servers in NZ.

I'm not going to link you to this proof because it's so obvious, and 2 minutes googling will find numerous examples.

I really wish this particular myth would die in NZ.

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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  #323640 27-Apr-2010 14:17
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Talkiet:
michaelmurfy: Another thing you could try is OpenDNS (http://www.opendns.com):

Change the DNS Server's IP's to 208.67.222.222 and 208.67.220.220


To be fair, you could try it, but only if you wanted worse performance than your ISP DNS servers, and was happy to not have some of the caching benefits that involve the use of your ISPs DNS servers.

It's been frequently proved that there are no 3rd party DNS servers that are better than ISP DNS servers in NZ.

I'm not going to link you to this proof because it's so obvious, and 2 minutes googling will find numerous examples.

I really wish this particular myth would die in NZ.

Cheers - N


I use it here and have not noticed any performance issues, but then again i'm using a server with it's own DNS Server running on top of things.

It's good for the URL blocking side of things, but using it as your day-to-day DNS just as a DNS server will achieve slower performance.

208ms Ping vs 142ms Ping to my ISP's DNS Servers average - I have always found there hasn't been any speed decrease with using OpenDNS, but that could just be me. I suggested it to test if it was a DNS issue he was talking about, since to me this does sound a bit like a DNS issue on his end.

Just sayin'




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  #323646 27-Apr-2010 14:22
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michaelmurfy:
[snip]208ms Ping vs 142ms Ping to my ISP's DNS Servers average - I have always found there hasn't been any speed decrease with using OpenDNS, but that could just be me. I suggested it to test if it was a DNS issue he was talking about, since to me this does sound a bit like a DNS issue on his end.

Just sayin'


Fair enough - it was determined that the problem turned out to be an MTU issue but yes, the description sounded like it might have been DNS...

But I would like to ask who your ISP is that gives you 142ms ping _AVERAGE_!?!? I know that at peak times, some ISPs see increased response times, but 142ms to an NZ based DNS server on average? Ouch!

Cheers - N.

ps. Just occurred to me that perhaps some wireless providers might have that much latency introduced in the access layer...




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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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  #323757 27-Apr-2010 16:42
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Talkiet:
michaelmurfy:
[snip]208ms Ping vs 142ms Ping to my ISP's DNS Servers average - I have always found there hasn't been any speed decrease with using OpenDNS, but that could just be me. I suggested it to test if it was a DNS issue he was talking about, since to me this does sound a bit like a DNS issue on his end.

Just sayin'


Fair enough - it was determined that the problem turned out to be an MTU issue but yes, the description sounded like it might have been DNS...

But I would like to ask who your ISP is that gives you 142ms ping _AVERAGE_!?!? I know that at peak times, some ISPs see increased response times, but 142ms to an NZ based DNS server on average? Ouch!

Cheers - N.

ps. Just occurred to me that perhaps some wireless providers might have that much latency introduced in the access layer...


I'm using Vodafone Mobile Broadband.
The Vodem is connected to a linux box, which bridges the connection through ethernet - acting like a NAT Router in the process.




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Uber Geek

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  #323758 27-Apr-2010 16:44
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michaelmurfy:
Talkiet:
michaelmurfy:
[snip]208ms Ping vs 142ms Ping to my ISP's DNS Servers average - I have always found there hasn't been any speed decrease with using OpenDNS, but that could just be me. I suggested it to test if it was a DNS issue he was talking about, since to me this does sound a bit like a DNS issue on his end.

Just sayin'


Fair enough - it was determined that the problem turned out to be an MTU issue but yes, the description sounded like it might have been DNS...

But I would like to ask who your ISP is that gives you 142ms ping _AVERAGE_!?!? I know that at peak times, some ISPs see increased response times, but 142ms to an NZ based DNS server on average? Ouch!

Cheers - N.

ps. Just occurred to me that perhaps some wireless providers might have that much latency introduced in the access layer...


I'm using Vodafone Mobile Broadband.
The Vodem is connected to a linux box, which bridges the connection through ethernet - acting like a NAT Router in the process.


Ahhh, that makes sense... Mobility in exchange for performance. TANSTAAFL.

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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