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Last Post
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Dec 18, 2007 2:18 PM
by: Sohrab Osati
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Posts:
1,823
From:
Venice, CA
Registered:
Nov 14, 2000
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Possible solution for anyone having network problems since 10.5.1 upgrade
Posted:
Nov 21, 2007 2:17 PM
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I've had a series of problems maintaining a reliable internet connection via a wired network through a Netgear router since upgrading to 10.5.1. Adding DNS servers to the Network System Preferences panel fixed the problem for me, for the moment anyway.... You might try this yourself if you're having problems. Remember, a future OSX update may fix this issue (there was a DNS server problem with 10.4.6 or so I think?), and at that point you may choose to remove the DNS servers and allow your router to make those decisions again. FWIW, this was successful for me, on TimeWarner cable (formerly Comcast).
You can find a list of Public DNS servers here:
http://forum.iopus.com/viewtopic.php?p=4144
Quad G5; 3 x mini; AI PB; PB180; iPod; Shuffle, AE, etc
Mac OS X (10.5.1)
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Posts:
172
From:
Liverpool
Registered:
Mar 30, 2003
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Re: Possible solution for anyone having network problems since 10.5.1 upgra
Posted:
Nov 21, 2007 2:27 PM
in response to: Maxplanar
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Or you can use the best DNS service there is: OpenDNS
www.opendns.com
Put these in your DNS settings:
208.67.222.222
208.67.220.220
Black MacBook 2.16Ghz Core2Duo
Mac OS X (10.5.1)
2GB RAM, 160GB Hard Drive, 30GB 5G iPod, 120GB LaCie Mobile FireWire Drive
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Posts:
44
Registered:
May 11, 2002
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Re: Possible solution for anyone having network problems since 10.5.1 upgra
Posted:
Nov 21, 2007 5:58 PM
in response to: Jamie Kelly
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WOW!!! I configured OpenDNS for my D-Link router (extremely easy with onscreen guide) and completely eradicated the painfully slow and intermittent experience I had been having only since installing Leopard on this iMac G5.
Thanks for the help, Kelly!!
20" iMac G5, iPhone
Mac OS X (10.4.7)
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Posts:
555
From:
Toronto, ON, Canada
Registered:
Aug 7, 2006
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Re: Possible solution for anyone having network problems since 10.5.1 upgra
Posted:
Nov 21, 2007 7:55 PM
in response to: Gary Sosa
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Helpful
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Actually, it's not whether you have DNS entries entered locally - it is which DNS servers you are using.
Leopard apparently has upgraded DNS functionality - which I understand not all DNS servers understand.
A detailed explanation can be found here: http://blog.jungledisk.com/2007/10/31/leopard-dns-issues-and-work-around/
Macbook Pro 2.4Ghz IC2D, 2GB Ram, 500GB MyBook USB Drive
Mac OS X (10.5.1)
Mac-Mini IC2D, 2GB RAM
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Posts:
1,823
From:
Venice, CA
Registered:
Nov 14, 2000
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Re: Possible solution for anyone having network problems since 10.5.1 upgra
Posted:
Nov 21, 2007 8:49 PM
in response to: lethal
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Very interesting article, thanks lethal.
Quad G5; 3 x mini; AI PB; PB180; iPod; Shuffle, AE, etc
Mac OS X (10.5.1)
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Posts:
17
From:
Los Angeles
Registered:
Oct 19, 2005
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Re: Possible solution for anyone having network problems since 10.5.1 upgra
Posted:
Nov 22, 2007 6:10 PM
in response to: Maxplanar
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omg. this has just boosted my web connection speed by a million? Solved my Safari issues too!
holy crap. thanks!
Power Mac G5 1.6
Mac OS X (10.4.5)
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Posts:
1,823
From:
Venice, CA
Registered:
Nov 14, 2000
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Re: Possible solution for anyone having network problems since 10.5.1 upgra
Posted:
Nov 23, 2007 11:40 AM
in response to: lethal
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Also, you can of course just add your DNS servers of choice to your router settings rather than the computers - that way your entire network will use them.
The other thing I should have noted was the weird nature of this problem - my WiFi systems were all fine, the problems were only on the wired systems. Why this is the case is not clear to me....
Message was edited by: Maxplanar
Quad G5; 3 x mini; AI PB; PB180; iPod; Shuffle, AE, etc
Mac OS X (10.5.1)
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Posts:
9
From:
Seattle, WA
Registered:
Nov 21, 2007
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Re: Possible solution for anyone having network problems since 10.5.1 upgra
Posted:
Nov 23, 2007 1:20 PM
in response to: Maxplanar
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I'll give it a shot when I get back home and let you know how it goes. Thanks for the suggestion.
Powerbook G4, Mac Pro
Mac OS X (10.5.1)
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Posts:
17
From:
Los Angeles
Registered:
Oct 19, 2005
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Re: Possible solution for anyone having network problems since 10.5.1 upgra
Posted:
Nov 23, 2007 8:51 PM
in response to: Maxplanar
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if I use the DNS server that was listed on the top, will that mess things up with my PC's in my network or that is universal to Mac/PC/PS3 and whatever else?
Power Mac G5 1.6 2GB Ram, Radeon 9650
Mac OS X (10.5.1)
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Posts:
555
From:
Toronto, ON, Canada
Registered:
Aug 7, 2006
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Re: Possible solution for anyone having network problems since 10.5.1 upgra
Posted:
Nov 23, 2007 11:19 PM
in response to: Sohrab Osati
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No, it won't hurt anything.
I actually set my DNS to OpenDNS before I switched to Leopard - but did it directly on both my router and my Windows 2003 Server. They are amongst the faster DNS out there.
I can't speak to PS3... too bloody expensive; but my Wii is okay with the DNS values.
Macbook Pro 2.4Ghz IC2D, 2GB Ram, 500GB MyBook USB Drive
Mac OS X (10.5.1)
Mac-Mini IC2D, 2GB RAM
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Posts:
20
Registered:
Nov 22, 2006
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Re: Possible solution for anyone having network problems since 10.5.1 upgra
Posted:
Nov 24, 2007 8:36 AM
in response to: lethal
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Question: I setup OpenDNS account and on my MBP in the AirPort settings (not the Built in Ethernet as instructed on the OpenDNS website) Now whenever my Airport is up it automatically assigns the Comcast DNS servers (they are grayed out) and the ones that I entered are listed too (not grayed out) What do I need to do to have my MBP use the OpenDNS servers?
MacBook Pro C2D
Mac OS X (10.5.1)
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Posts:
4
From:
Hk
Registered:
Nov 20, 2007
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Re: Possible solution for anyone having network problems since 10.5.1 upgra
Posted:
Nov 24, 2007 8:44 AM
in response to: Boazh
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I also can not set my router or the OS to use opendns as the master dns server. It is because my isp provided an dynamic pppoE cable dsl for me. The native dns server can not be changed other than the dns server assigned by isp. You can add additional dns list to the system preference. However, it will not be the active one unless all the grey out dns servers are not in function.
macpro 2.66
Mac OS X (10.5.1)
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Posts:
1,823
From:
Venice, CA
Registered:
Nov 14, 2000
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Re: Possible solution for anyone having network problems since 10.5.1 upgra
Posted:
Nov 24, 2007 9:54 AM
in response to: Boazh
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You can add the opendns.com servers to the DNS servers field on your MBP instead. They will take precedence over the server settings in the router.
Quad G5; 3 x mini; AI PB; PB180; iPod; Shuffle, AE, etc
Mac OS X (10.5.1)
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Posts:
9
From:
Seattle, WA
Registered:
Nov 21, 2007
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Re: Possible solution for anyone having network problems since 10.5.1 upgra
Posted:
Nov 24, 2007 11:27 AM
in response to: supersaianwu
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If add things to the list in Network Preferences and cat /etc/resolv.conf from a terminal you will see the ones you added will appear at the top of that list even though they are not above the automatically assigned ones in the Network Preferences list. The /etc/resolv.conf file is ultimately all that matters as far as DNS priorities go on a UNIX system.
Also, if you dig www.apple.com in your terminal you will see which server it uses to resolve the address which should be the first IP address you added and the first in the /etc/resolv.conf file.
Powerbook G4, Mac Pro
Mac OS X (10.5.1)
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Posts:
692
Registered:
Nov 23, 2007
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Re: Possible solution for anyone having network problems since 10.5.1 upgra
Posted:
Nov 24, 2007 1:41 PM
in response to: jtshaw
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Try saying 'Static PPPoE' and putting something like 1.1.1.1 into the IP address and plug in the DNS settings you want. Restart your router / restart PPPoE. It should keep your DNS settings but switch to getting a dynamic IP when your request for 1.1.1.1 static fails.
I know this works with dlink and FIOS.
Also, keep in mind that OpenDNS does more than just provide DNS services (good or bad).
Good: You can login, tell it your IP address and know where everyone on your network is trying to go (or at least resolve names to via OpenDNS). You can also block sites you don't like, etc.
Bad: Your typo's and all your browsing habits are sent to OpenDNS. You may or may not feel comfortable about that.
The comcast rep that told you that DNS name resolution was 'dynamic' is misinformed and confused. They have to know what the servers are since without an IP address, you're not getting a name resolution. You can probably find it on your routers status screen for the WAN connection.
Mac OS X (10.5.1)
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