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-   -   WiFi slow on openSuSE 10.1, but normal speed on XP (https://www.linuxquestions.org/questions/linux-wireless-networking-41/wifi-slow-on-opensuse-10-1-but-normal-speed-on-xp-520782/)

Inchcape 01-19-2007 02:09 AM

WiFi slow on openSuSE 10.1, but normal speed on XP
 
Hi all,

I run a dual boot opensuse 10.1 with smart and xp home version on a dell 510m laptop.

I've been using a DSL connection since 2003, converting to WiFi in 2004 by the addition of a wireless access point connected to the modem/router. This was a success until I had recent issues with the modem repeatedly losing the connection to internet.

After talking to the provider's helpdesk, I took their advice and bought a new modem. To replace the modem/separate access point combination, I bought a wireless modem/router and set it up with no particular difficulty using the providers automatic setup CD (under XP on my wife's box).

Connection and speed was as advertised.

I booted my linux box and watched the connection. It connected very much slower than before. Once connected, loading a page (google) was extremely slow - something like two minutes.

After a lot of playing around (yep, half the night - I NEED my internet :P) I found a reply in an old thread on LQ:


tp671
Linux Newbie

Join Date: Nov 2004
Location: USA
Posts: 151

1) Goto the file /etc/modprobe.conf while as ROOT (File Manager-Super User Mode).

2) Open the file with Kwrite and look for the line ---- alias net -pf 10 ipv6

3) Change the line to read ---- alias net -pf10 off ipv6 (just add "off")

4) Save file and close.

5) Shut down and reboot.

6) Start your browser (Firefox in my case) and try it.


I tried this. As soon I rebooted, speed was fine, absolutely blazingly fast again.

The question is: why? My linux setup worked great before. It works great on every freespot that I tried. What changed?

Thanks people and THANKS Linux Newbie!

PB0711 02-11-2007 02:21 AM

so it sounds like an IPv6 problem. If you already know stop me :)
IPv6 is the new version of IP address (eg 192.168.1.1). IPv6 will allow 'everyone' to have their own IP address. It's also suppose to be faster. To be honest IPv6 has been around in theory for a while, I heard of it I think 4 years ago, but it's not really caught yet. The net is still happy with IPv4.

Why exactly it works better without IPv6? Modem dosen't support it? translation of IPv6 to IPv4 is bad, your DSL provider doesn't like IPv6?

Don't know exactly how you would find out which is the one. :scratch:


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