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#1 2011-09-25 02:29:15

jlindgren
Member
Registered: 2011-02-27
Posts: 215

Tip: Network Manager may connect faster with IPv6 disabled

For quite some time I've been bothered by the very long time it takes Gnome's Network Manager to connect to a wireless network.  From looking at the system log, I finally figured out a solution, which cut the time it takes to connect down from 26 seconds to 11 seconds.  I hope this will help others too.  Unfortunately, it has to be repeated for every wireless network you connect to.

- Right-click on the network status icon
- Click on "Edit Connections"
- Go to the "Wireless" tab
- Select the name of the wireless network
- Click on "Edit"
- Go to the "IPv6 Settings" tab
- In the "Method" dropdown, choose "Ignore"
- Click on "Save"

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#2 2011-09-25 08:23:18

dodo3773
Member
Registered: 2011-03-17
Posts: 801

Re: Tip: Network Manager may connect faster with IPv6 disabled

jlindgren wrote:

For quite some time I've been bothered by the very long time it takes Gnome's Network Manager to connect to a wireless network.  From looking at the system log, I finally figured out a solution, which cut the time it takes to connect down from 26 seconds to 11 seconds.  I hope this will help others too.  Unfortunately, it has to be repeated for every wireless network you connect to.

- Right-click on the network status icon
- Click on "Edit Connections"
- Go to the "Wireless" tab
- Select the name of the wireless network
- Click on "Edit"
- Go to the "IPv6 Settings" tab
- In the "Method" dropdown, choose "Ignore"
- Click on "Save"

It does seem to speed it up. So simple and such a good tip. Thanks. You should add it as a tip on the networkmanager wiki.

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#3 2011-09-25 09:19:46

benob
Member
Registered: 2008-11-11
Posts: 187

Re: Tip: Network Manager may connect faster with IPv6 disabled

How exaclty did you figure it out?

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#4 2011-09-25 10:38:15

tomk
Forum Fellow
From: Ireland
Registered: 2004-07-21
Posts: 9,839

Re: Tip: Network Manager may connect faster with IPv6 disabled

You could also just disable ipv6 altogether - this will work for all network tools, not just networkmanager.

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#5 2011-09-25 13:42:08

jlindgren
Member
Registered: 2011-02-27
Posts: 215

Re: Tip: Network Manager may connect faster with IPv6 disabled

@benob: /var/log/everything.log showed that Network Manager was waiting for an IPv6 response and eventually timing out.

@tomk: I tried blacklisting the ipv6 module just now; it didn't keep Network Manager from trying to connect over IPv6.

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#6 2011-09-25 15:23:13

tomk
Forum Fellow
From: Ireland
Registered: 2004-07-21
Posts: 9,839

Re: Tip: Network Manager may connect faster with IPv6 disabled

Did you unload it, as well as blacklisting it?

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#7 2011-09-25 16:03:46

jlindgren
Member
Registered: 2011-02-27
Posts: 215

Re: Tip: Network Manager may connect faster with IPv6 disabled

tomk wrote:

Did you unload it, as well as blacklisting it?

Yes.

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#8 2011-09-25 16:14:22

tomk
Forum Fellow
From: Ireland
Registered: 2004-07-21
Posts: 9,839

Re: Tip: Network Manager may connect faster with IPv6 disabled

No idea then, sounds like a networkmanager issue. Stick with your way.

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