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Last Post
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Jun 6, 2006 7:06 PM
by: Justin Pierson
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Posts:
61
From:
NYC
Registered:
Jan 7, 2006
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excessively slow speeds through airport??????
Posted:
Mar 6, 2006 10:59 AM
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i just got this macbook pro 2.16, and when i connect to my airport network, i get excessively slow speeds, slightly faster than dial up. i can run my old powerbook 1.0 simultaneously side by side (not extreme), and it runs normally. my service is advertised as 5.0 down, & 365 up. anyone know the deal?
macbook pro 2.16 Mac OS X (10.4.5) airport extreme network
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Posts:
49
Registered:
May 11, 2004
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Re: excessively slow speeds through airport??????
Posted:
Mar 6, 2006 11:25 AM
in response to: 11201ny
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Yes!!!! Both Apple & Intel know the deal..
Intel recently released a wireless patch for windows to solve the same problems in pc's that use the same hardware...
Every new intel line now suffers with Airport problems. Just check the discussion pages and the same problems are repeated over and over on the imac, mini mac (intel) and now macbookpro..
WE NEED A SERIOUS UPDATE APPLE!!!!!!
iMac Duo 20" 2GHz 2Gb Ram...
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Posts:
36
Registered:
Aug 3, 2005
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Re: excessively slow speeds through airport??????
Posted:
Mar 6, 2006 11:46 AM
in response to: Philip Tindall
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Agreed - I was blaming Thursby's Dave 6.2, but it seems this is not the case. Please send us a fix. It's really annoying!
MacBook Pro 2.0ghz Mac OS X (10.4.5) Need to run Windows!
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Posts:
32
Registered:
Oct 16, 2004
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Re: excessively slow speeds through airport??????
Posted:
Mar 6, 2006 1:41 PM
in response to: 11201ny
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I am having the same exact issues. Also, on the same topic, is there an antenna I can purchase for the laptop that will boost my signal receiving strength?
MacBook Pro 2.0
Mac OS X (10.4.5)
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Posts:
32
Registered:
Oct 16, 2004
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Re: excessively slow speeds through airport??????
Posted:
Mar 6, 2006 8:06 PM
in response to: Jason Castellani
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Now I am disconnected everytime my computer goes into sleep mode when running on battery power. I have to reconnect each time.
MBP
Mac OS X (10.4.5)
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Posts:
77
Registered:
Aug 21, 2002
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Re: excessively slow speeds through airport??????
Posted:
Mar 7, 2006 1:57 AM
in response to: Jason Castellani
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I have done some non-scientific testing and found that the wifi, while more sensitive than in the previous Powerbooks (I had almost all generations of them), has slower throughput on the Macbook if you are any meaningful distance away from the accesspoint even if you have a good signal (3 bars on the status bar indicator).
Here is my methodology:
I ran speed tests using speakeasy test servers. http://www.speakeasy.net/speedtest/
My Internet connect is rated at 8000/768 (8MB/768KB). When I use a wired Cat5 connection, on the closest server to me (NYC), I get 8168/695.
On my PB 1.67 at 10 feet from the access point I got 8020/695. On my Macbook Pro at the same distance I got 7080/684.
At 40 feet from the access point with my PB 1.67 I got 6400/690. With my Macbook Pro, I got 2300/534. What is most interesting is that at this distance, my PB had only 1-2 bars, where my Macbook Pro had 3/4 bars, yet the throughput on MB Pro drops off considerably.
At 50-60 feet from the access point my PB loses the connection. The Macbook Pro maintains the connection 1-2 bars, but the throughput slows to 430/123. My old Gateway PC laptop at that distance gets a 6300/650 throughput.
So Apple did a better job with the antenna placement on the MB Pro but whatever chipset they are using for 802.11, really has some throughput issues. My Gateway is an Intel centrino laptop which means that the minipci card is an Intel card and the motherboard and chipset is Intel as well. I do not have a newer Dual Core Wintel machine to see if it has these same issues. It would interesting to know.
Power Mac Dual G5; Macbook Pro 2GHz
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Posts:
83
Registered:
Aug 24, 2004
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Re: excessively slow speeds through airport??????
Posted:
Mar 7, 2006 7:36 AM
in response to: Ira Parker
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The chipset is Atheros and it has longer range, but slower throughput. I have this on my ThinkPad and it never matched the throughput of the Broadcomm chipset in the PowerBook. One of the hallmarks of the Atheros chipset apart from long range is that it is constantly adjusting the connection properties, e.g., on the ThinkPad the 802.11G speed changes from 54 to 36, to 18, and back to 54 constantly. This obviously plays havoc with the throughput.
Apple has done a better job of th wireless speed than IBM has done. On the MacBook I routinely get 5,900 Kbps , while with the ThinkPad I get 3,400 Kbps, and on the PowerBook with the Broadcomm I get 6,500 (all with Comcast). I think there is little that can be done with the current chip, but I would strongly recommend that you DO NOT turn on interference robustness as this further degrade throughput, and sometimes significantly.
HTH,
Steve
Al PowerBook 15 / MacBook Pro 2.0 GHz / ThinkPad T42p
Mac OS X (10.4.5)
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Posts:
5
Registered:
Jun 1, 2005
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Re: excessively slow speeds through airport??????
Posted:
Mar 7, 2006 11:03 AM
in response to: Philip Tindall
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I agree, I'm having either really slow internet or it disconnects alltogether and I have to re-logon.
Apple needs to get on this. Macbook pro seems to have a number of easily identifiable issues, I hope they work fast to fix this for us.
Macbook Pro 2.0
Mac OS X (10.4.5)
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Posts:
15
Registered:
Nov 4, 2005
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Re: excessively slow speeds through airport??????
Posted:
Mar 8, 2006 10:17 AM
in response to: 11201ny
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Just a quick : me too post!
Just got my MacBook Pro 2.0Ghz today and noticed straight away that something was not right with network speed.
Did an ADSL speed test on MacBook Pro and I get a speed rating of Dual ISDN. On the PowerBook 1.25Ghz it is replacing on the same test I get a 1.5Mb rating. Line is 2Mb.
I use wireless all of the time so this is a major problem for me. They are going to have to sort this issue out ASAP.
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Posts:
15
Registered:
Nov 4, 2005
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Re: excessively slow speeds through airport??????
Posted:
Mar 9, 2006 1:20 AM
in response to: 11201ny
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After trying a few things I noticed the following in the system.log file.
Mar 9 09:04:03 stephen-thirlwells-computer kernel[0]: *** Beacon miss causing loss of connection
Mar 9 09:04:18 stephen-thirlwells-computer kernel[0]: Default traffic burst: 2048 usec
Mar 9 09:04:22 stephen-thirlwells-computer mDNSResponder: Repeated transitions for interface en1 (192.168.0.6); delaying packets by 5 seconds
Anyone else seeing this in their console log?
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Posts:
27
Registered:
Jan 15, 2002
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Re: excessively slow speeds through airport??????
Posted:
Mar 9, 2006 7:03 AM
in response to: 11201ny
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Something seems weird here. Do all of you have an Airport Extreme basestation? I have an older Netgear router that handles my internet/cable connection and there has been so slow down whatsoever. I use Airport Express to connect to a USB printer and there's been no lag there either.
MacBook Pro 2.0ghz
Mac OS X (10.4.5)
2gb ram
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Posts:
15
Registered:
Nov 4, 2005
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Re: excessively slow speeds through airport??????
Posted:
Mar 9, 2006 7:19 AM
in response to: Psphil
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Spent an hour on the phone with Apple and could not solve it.
Pings to router were averaging 30 with spikes up to 255 and 10-20% packet loss
So after some advice from a friend i tried the following :
Set up Airport Express to be a closed network.
Connect MacBook Pro and PowerBook G4 to it
Speed is fine.
Connected AE to ADSL Router (D-Link 604+ so only 11Mb) and still fine.
Connected to ADSL router and changed a setting (Turbo) to off
Connected everything back up and speed is now ok.
Pinging the router is now averaging 2.4ms 
Still seeing this everynow and then in the log though :
Mar 9 14:49:56 Stephens-Mac-Book-Pro mDNSResponder: Repeated transitions for interface en1 (192.168.0.2); delaying packets by 5 seconds
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Posts:
3
Registered:
Mar 9, 2006
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Re: excessively slow speeds through airport??????
Posted:
Mar 9, 2006 5:00 PM
in response to: 11201ny
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First and foremost. PLEASE CONTACT APPLE as well as post here. Insist that this be esculated to an engineer as tier 1 and tier two will do for you. This is the best way to make your case known to apple product support.
Yes, I agree with you on your issue. I see the exact same thing in my system.log. I would persume that this is a harwardware issue.
mDNSResponder: Repeated transitions for interface lo0 (127.0.0.1); delaying packets by 5 seconds
mDNSResponder: Repeated transitions for interface en0 (10.1.1.43); delaying packets by 5 seconds
mDNSResponder: Repeated transitions for interface en0 (10.1.1.43); delaying packets by 5 seconds
mDNSResponder: Repeated transitions for interface en1 (FE80:0000:0000:0000:0214:51FF:FEED:41E5); delaying packets by 5 seconds
I would hope that I am wrong with it being hardware.:-) I am also going to post the email I sent apple.
Here is the email I sent. It sums up my problems.
---------BEGIN EMAIL-----------
Thanks for taking the time to try and help me out. I feel this issue should be escalated to the engineering department as there are many things that are just unexplainable. Below are numbered items that I am having with my new Macbook. If you could, could you please attach this information to the case notes so the next person can review this if needed.
1. Wireless is not working like it should. I can connect to any type of WEP encrypted network and all communications work. My problem is when I try to connect to a wireless network using PEAP or EAP-TLS. My work environment uses a EAP-TLS. Other powerbook G4 machines and windows, linux, you name it work fine. Mine however doesn't. What I am experiencing then taking a sniffer trace to it it shows the EAP-TLS request, then handshake, the negoation of the keys, then finally I get an EAP Success indicating successful authentication. That tells me my certificate is good and I should be able to obtain a network ip address. My network connection says it is connected after I see the EAP success with the sniffer. It shows in the Internet Connect that I am connected to TLS network and the timer increments/counts up. I can try an hard code an IP address, gateway, and dns with within the preferences but that does not allow me to talk/pig other hosts by ip addresses on my local subnet.
2. My second and most important issue is my connection speeds are TERRIBLE. I looked on the discussion.apple.com and several other people are saying the same thing. Here is the interesting thing. Some people say that if you manually assign an DNS server into the TCP/IP preferences the speeds will work just fine. I must say that by doing this it worked at one point in time. This is not the case now. Another interesting thing that happens to me is at one point in time, when I would look at the file /etc/resolv.conf file, I could see my nameservers listed in there. When I am looking in there now, my resolv.conf file is empty so there has to be another file my DNS entries are being entered. I just don't know where. I don't know where or how name resolutions are working with that file being empty. I also thing there is something that is going on with INETD and that it expects a reverse DNS lookup on everything. It doesn't matter if you are telnetting to an IP address or trying to bring up a webpage, INETD trys to get a response back from the reverse dns query. I have noticed that in a Microsoft environment if you are using a windows DNS, most of the time if my macbook sends a reverse dns query while trying to telnet to an IP address, the windows DNS server never answers back. The non-response is what appears to make network use so slow. If I try to use a bind DNS solution, and point my DNS to a bind server, I get an answer back on a reverse lookup even if the bind server doesn't know the reverse information. With Microsoft, if the DNS can't answer a reverse lookup request, it simply doesn't answer.
So with these two major issues, I would greatly appreciate it if you could forward this on. If an engineering needs to contact me via email, I can email snffer traces, etc. I just hope there is a resolution as this is a laptop I use soley for business and the way it is right now, it is hard for me to get anything done because both wired and wireless are not working as they should especially when I have other Mac's, windows, and Linux machines that are working with no problem.
----------END EMAIL-------------
MacbookPro 2.0 Mac OS X (10.4.5)
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Posts:
8
Registered:
May 4, 2005
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Re: excessively slow speeds through airport??????
Posted:
Mar 11, 2006 9:50 AM
in response to: 11201ny
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I just wanted to add that I am seeing this performance degredation with my MacBook Pro as well, and it is a big disappointment. The MBP has a more "sensitive" radio (it can see more networks than my G4 and even a couple that my Thinkpads cannot see), but it is virtually unusable -- it constantly disconnects (that defect is tracked in a separate thread), and when it is connected, performance is significantly slower than other clients on my wireless network.
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Posts:
10
Registered:
Mar 11, 2006
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Re: excessively slow speeds through airport??????
Posted:
Mar 11, 2006 12:17 PM
in response to: Angus Davis
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I also have the same problem. Random disconnects on battery power. Wireless Card Firmware Version: 0.1.12
Help!
MacBook Pro 1.86Ghz
Mac OS X (10.4.5)
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