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Technical News & Discussion => Networking & Routers => Topic started by: g7pkf on Jun 09, 2013, 11:26:11

Title: Long line and lots of noise advice on router required.
Post by: g7pkf on Jun 09, 2013, 11:26:11

I have a very long line (attenuation 50dB) and the lines run over a main line railway so lots of interference.

can someone advise a sutible router that is in production? my trusty old 2wire is on it's last legs and i want to look at alternatives, as not only do i need a new router so do a few of my neighbors as they have the same problem.

Dean
Title: Re: Long line and lots of noise advice on router required.
Post by: Steve on Jun 09, 2013, 11:31:42
Maybe worth seeing if you can pick up a Billion 7800N, there's often a few on eBay however some seem to attract too much money imo.
Title: Re: Long line and lots of noise advice on router required.
Post by: g7pkf on Jun 09, 2013, 12:22:05


Thanks just ordered one off amazon, (company are paying as i am a home worker and need reliable ADSL)

Dean
Title: Re: Long line and lots of noise advice on router required.
Post by: Simon on Jun 09, 2013, 12:26:51
I've been using one of those recently, and everything seems fine with it. 
Title: Re: Long line and lots of noise advice on router required.
Post by: Lance on Jun 10, 2013, 17:20:53
I'm another fan of it, although only used it on ADSL2+ for a couple of days before moving over to FTTC.  :)
Title: Re: Long line and lots of noise advice on router required.
Post by: Technical Ben on Jun 10, 2013, 17:54:00
The best modem would be a usb one with a sim card in it... ;)

/no help

But other than that, I wish the best for you, sounds a difficult line!
Title: Re: Long line and lots of noise advice on router required.
Post by: nowster on Jun 10, 2013, 19:21:59
Quote from: Technical Ben on Jun 10, 2013, 17:54:00
The best modem would be a usb one with a sim card in it... ;)
Well it wouldn't for my parents. They only have a 2G signal.

Long line at 50dB? I'll raise you their 58dB. If it weren't for the line noise they'd get a consistent 4Mbps connection (with about 6.5dB SNR margin).
Title: Re: Long line and lots of noise advice on router required.
Post by: Lance on Jun 11, 2013, 14:10:07
Dean's biggest problems stem from the railway line he mentions.
Title: Re: Long line and lots of noise advice on router required.
Post by: nowster on Jun 11, 2013, 15:17:34
Quote from: Lance on Jun 11, 2013, 14:10:07
Dean's biggest problems stem from the railway line he mentions.
Of course. An electrified line is a good source of impulse noise.
Title: Re: Long line and lots of noise advice on router required.
Post by: g7pkf on Jun 12, 2013, 08:47:44
Has anyone got one of these to work with a mail server on the inside? pretty sure i got all the setup correct but it just is not allowing email in :( i can send fine?

anyone?
Title: Re: Long line and lots of noise advice on router required.
Post by: Steve on Jun 12, 2013, 09:01:43
Lance is your best bet, he runs his own mail server and from this thread a 7800N. Are you using NAT or a pool of WAN IP address? I think it struggles to do both together although from the link you could have a second router providing NAT to the other local devices.

http://forums.overclockers.com.au/showthread.php?t=1078973
Title: Re: Long line and lots of noise advice on router required.
Post by: Lance on Jun 12, 2013, 13:12:41
I've enabled ports in two different places, but I think only the port mapping side is actually required. See attached

Title: Re: Long line and lots of noise advice on router required.
Post by: Steve on Jun 12, 2013, 13:21:54
So that's the single WAN IP address solution.
Title: Re: Long line and lots of noise advice on router required.
Post by: g7pkf on Jun 13, 2013, 13:09:02
Thanks got that working fine now.

:)
Title: Re: Long line and lots of noise advice on router required.
Post by: Lance on Jun 13, 2013, 13:29:46
Excellent  :thumb:
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