Airport Linksys WRT54GX4 WPA TKIP problem-Driving me Crazy!

HELP! Anyone, My Boss bought a new Linksys Router WRT54GX4 and I cannot connect to it through my ibook. The old one(old router) was damaged and I was able to connect to it fine before it was broken. But the new one uses the WPA TKIP encryption, and my ibook cannot connect to it, it sees the network name and gives me severl WEP coices to connect to but no go. the Actual Network is the WPA TKIP, but I have tried severl different combination to connect to it and still nothing. I have tried the passphrase in uppercase and lowercase and nada. But most other PC's have no problem connecting except for my ibook. It sees other hotspots and connects fine. Any Help would be appreciated. Thanks!
I have a 12" iBook 800 Dual USB 32 MB Vram, 640 RAM and Orig Airport Card.

The linksys wrt54gx4 is not quite the same series as the earlier wrt54g routers. The new wrt54gx uses different firmware altogether. This router uses a new technology and employs 3 antenna's where as the earlier wrt54g's had 2 antennas.
It may be that this new technology is not working so well with apple airport cards as I have found the new linksys routers that have 3 antennas to be buggy. I have returned one to a reseller already.
In the wireless security settings of the wrt54gx4 it is possible to have wpa selected but not enabled.
I am not sure if the older airport cards support wpa2. I do know that the latest version airport does support wpa2. But for now try enabling wpa and disabling wpa2 on the linksys box as per this screen shot.
I will be switching to buffalo wifi routers as these new linksys boxes are
a) buggy
b) don't support linux

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IPad WiFi works only with WPA/TKIP, not WPA2/AES

My iPad (like so many others) stopped connecting to my Linksys WRT54G router (which like everyone else's connects fine with every other device, including non-iOS 4 iPhones). The whole reset/restart/restore dance with the iPad/router/cable modem was performed to no avail. By sheer desperation, security protocols were changed, and that's what finally worked.
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(The only times WPA2/AES worked was when the iPad was first used for a couple days, and a couple days after switching back to WPA2/AES when it started working with WPA/TKIP. Since then, switching back to WPA2/AES no longer works, even temporarily.)
Any idea why initially WPA2/AES worked, and then suddenly stopped?

Ralph Landry1 wrote:
That is a very interesting question ... [involving] the combination of the router and the iPad and their respective implementations of the AES encryption algorithm. The AES algorithm is considerably more complex than TKIP. Why some have problems and not others has to be related to the router and its implementation and the Apple implementation.... t works fine for me connecting with [both] a Verizon FiOS (Actiontec) router [a]nd ... an AirPort Extreme. But there have been a number of posts recently about problems with Linksys and Belkin connectivity.
Tell me about it. I'd been pulling my hair out prior to "discovering (by accident," as George Costanza would say) that WPA/TKIP fixed the problem, and seems to be working fine and fast. Now I'm just academically frustrated (better than actually frustrated) wondering why WPA2/AES is so problematic +with this particular trifecta+ (my iPad, my Linksys router, and WPA2/AES).
Bottom line is there is probably not an easy solution ... and since you do have a strong security protocol that works, keep using it. Very strange that there would be a change in connectivity after a few months, though. Old engineering philosophy, if it ain't broke, don't fix it. If you have something that works, stick with it for now.
Actually, WPA2/AES worked on two (short but notable) occasions:
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b) for two days when I switched back to WPA2/AES upon discovering WPA/TKIP fixed the issue.
So it wasn't two months, which makes more sense. I agree with you that I'm not touching this arrangement for now. What I did have to do was change over the other devices (PCs, Wii's, TiVo's) that didn't automatically adjust over to WPA/TKIP. (To its credit, the iPhone did that on the fly.) Going through each device hurt a little, knowing I was using a less-than-optimal protocol for just one cranky device at expense of every other one--but of course I'd rather everything play nice than be necessarily cutting edge. (It's not like I'm the Pentagon or anything here.)
But also give feedback to Apple:
http://www.apple.com/feedback/ipad.html
Done and done. And thanks for a great and reassuring explanation.
Message was edited by: TashTish

IMac will not get a good connection to Linksys WRT54GX4

I've seen similar reports as this, but nothing exactly like it, so I'm not sure if its the same problem or unrelated. I've got this Early 2006 20" Intel iMac. It will NOT connect correctly to my Linksys WRT54GX4 SRX400 Linksys router. It seems to work fine for a bit, but then I the connection deteriorates. I have a Macbook that has absolutely no problem.
The iMac connects to the network about 50 percent of the time. Sometimes it just says there's an error. When it does connect it works fine for a bit. The signal strength is great, and I can stream movies in iTunes to my Macbook. I don't know what causes it, but 15 minutes later or so, the signal strength is only showing 2 bars (the router is literally 20 feet away with no obstruction), and iTunes sharing of movies no longer works. This is crucial to my setup in my house, as I'm using the macbook as a faux AppleTV to watch movies on my TV that are stored on my iMac.
What's odd is that the macbook works perfectly from even further distances, as well as some of my roommates Windows PCs. And they work indefinitely. I noticed in the system profiler that the iMac and the Macbook have different Airport Card information. The iMac says it has Broadcom firmware, the Macbook just lists a version number.
Is Apple working on patching this?
If not, would I be able to get Apple to install a newer Airport Card in my iMac?

Welcome to Discussions, MikeCP66!
You ask "Is Apple working on patching this?" to which the answer is that the patch has been successfully completed. It is AirPort Extreme Update 2007-002 plus the 10.4.9 Update, and this appears to have corrected the wireless issues of most iMac users, both Core Duo and Core 2 Duo.
I'm assuming that along with your up-to-date OS 10.4.9, you also are up to date with iMac firmware (Boot ROM Version in System Profiler), SMC firmware (SMC Version), and with AirPort Extreme Update 2007-002 recently installed.
I'm also assuming your Linksys firmware has been verified to be up to date. If you're uncertain about what I'm referring to in any of this, please ask. The Linksys and both Macs must all be set for using the exact same type of encryption, of course with the exact same network name and password.
If all the above is ok, power down your computers. Power down and disconnect your Linksys. After a minute, reconnect your Linksys and power it back up. Power your Macs back up and turn on AirPort in both, using the menu bar icons.
Open the iMac's Network panel of System Preferences. Change the "Show:" selector from "Network Status" to "AirPort" and also click "AirPort" in the menu bar of that pane.
Set the "By default, join:" selector to "Preferred networks" and delete ALL networks from the list. Click the "Apply Now" button at the bottom right, after which no name should appear in that list.
Click the "Options..." button, set the "If no preferred networks are found:" selector to "Keep looking for recent networks" and uncheck the box "Automatically add new networks to the preferred networks list."
Click the blue "OK" button, again click the "Apply Now" button, and close System Preferences. Restart the iMac. AirPort will still be turned on, it will see your correct network name, although it will not be connected to any network.
Open System Preferences to the Network panel and go to "Show: AirPort" and again to the "AirPort" pane. Click the little + box and in the drop-down box select your network's method of "Wireless Security" followed by entering the network name and password.
Click the blue "OK" button, then the "Apply Now" button at the bottom right.
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WPA-TKIP WPA2-AES Connection speed

Hi,
My customer uses controller based wireless network. There is a connection speed problem between two SSID's. First SSID uses WPA(TKIP+AES) and WPA2(TKIP+AES) encryption method and dot1x authentication method. Second SSID uses open authentication (this is a guest SSID)
802.11 a/n/ac is enable on WLC and client can connect with these methods. But clients connect to the first SSID with 802.11 b/g (54 Mbps) and connect to the second SSID with 802.11 a/n/ac. Customer wants to know why our clients connect with low speed to first SSID even if a/n/ac is enable.
Sometimes WPA-TKIP encryption methods can reduce the connection speed. Do you have any idea about that and official document about this problem?
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TKIP and AES are two different types of encryption that can be used by a Wi-Fi network. TKIP stands for “Temporal Key Integrity Protocol.” It was a stopgap encryption protocol introduced with WPA to replace the very-insecure WEP encryption at the time. TKIP is actually quite similar to WEP encryption. TKIP is no longer considered secure, and is now deprecated. In other words, you shouldn’t be using it.
AES stands for “Advanced Encryption Standard.” This was a more secure encryption protocol introduced with WPA2, which replaced the interim WPA standard. AES isn’t some creaky standard developed specifically for Wi-Fi networks; it’s a serious worldwide encryption standard that’s even been adopted by the US government. For example, when you encrypt a hard drive with TrueCrypt, it can use AES encryption for that. AES is generally considered quite secure, and the main weaknesses would be brute-force attacks (prevented by using a strong passphrase) and security weaknesses in other aspects of WPA2.
The “PSK” in both names stands for “pre-shared key” — the pre-shared key is generally your encryption passphrase. This distinguishes it from WPA-Enterprise, which uses a RADIUS server to hand out unique keys on larger corporate or government Wi-Fi networks.
In summary, TKIP is an older encryption standard used by the old WPA standard. AES is a newer Wi-Fi encryption solution used by the new-and-secure WPA2 standard. In theory, that’s the end of it. But, depending on your router, just choosing WPA2 may not be good enough.
While WPA2 is supposed to use AES for optimal security, it also has the option to use TKIP for backward compatibility with legacy devices. In such a state, devices that support WPA2 will connect with WPA2 and devices that support WPA will connect with WPA. So “WPA2″ doesn’t always mean WPA2-AES. However, on devices without a visible “TKIP” or “AES” option, WPA2 is generally synonymous with WPA2-AES.
WPA and TKIP compatability options can also slow your Wi-Fi network down. Many modern Wi-Fi routers that support 802.11n and newer, faster standards will slow down to 54mbps if you enable WPA or TKIP in their options. They do this to ensure they’re compatible with these older devices.
In comaprison, even 802.11n supports up to 300mbps — but, generally, only if you’re using WPA2 with AES. Theoretically, 802.11ac offers theoretical maximum speeds of 3.46 Gbps under optimum (read: perfect) conditions.
In other words, WPA and TKIP will slow a modern Wi-Fi network down. It’s not all about security!

I have the Aiport T-2 and need to access it outside my home for checking my security cameras and can't seem to get it done. With my Linksys I had no problems. Any suggestions?

I have a Airport T-2 and need to access it with my IPhone using Verizon outside the home Wi Fi on my 4S. Any ideas as with the old Linksys it was no problem.

Have you forwarded the required ports?
How are you doing remote access from phone?
The TC is designed to work with BTMM and iCloud but that is not available to the iphone.
Look at Tesserax's work on remote access and port mapping here.
https://discussions.apple.com/community/wireless/airport?view=documents
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Back to my Mac with LinkSys WRT54GX4

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Any clues to why BtmM doesn't show either host when away from the LAN/WLAN?
Thanks!

A little more information...
On the Mac Pro, I did a fresh install from scratch on a clean disk, then used the migration assistant only to move my user folder. All apps re-installed from media/downloads. On the MacBook Pro, I did a full backup to an external drive, then used the migration assistant to transfer all apps and user settings.
On the Mac Pro under the 'SHARED' section of the side bar, I see only my MacBook Pro. On the MacBook Pro, I see 'All', then I can browse to find my Mac Pro. This to me seems to be the problem. The MBP has been used on a windows network at the office in a Windows 2003 AD setting. I wonder if somehow this is the problem.
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EA6500 support for Wi-Fi devices on WPA (TKIP)

Although EA6500 states support for WPA devices it appears that some B devices (like HP Wi-Fi printer PSC 2510) are not supported. The lack of support seems due to the lack of WPA with TKIP encryption, only the newer EAS encryption appears to be available.

pompekw,
You should consider cascading your WRT54G to a new router. That way you can keep your legacy devices.
I have legacy devices too. And that's what I do. If your WRT54G is broken, you can pick up a refurb wireless router that supports WEP and WPA TKIP and B/G for $20. And then you just cascade it to your new router. Use Lan-to-Lan cascade (or bridge mode instructions depending on whether or not the secondary router supports bridge mode). If your WRT54G still works, you can use it as the secondary router (which is what I do).
Cascade link
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http://www.metageek.net/products/inssider/

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Before I used AP 1240 on lot of site with WPA-TKIP without issue .
Today I try the AP1600 with WPA-TKIP but my clients are disconnected after 1 minute with the below messages
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Hello, I has been a while since you posted this issue, but I got it too, so maybe this will help somebody else.
I was getting this logs:
%DOT11-6-ASSOC: Interface Dot11Radio0, Station XXXX.XXXX.XXXX Associated KEY_MGMT[WPA]
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Oct 22 17:04:39.978: %DOT11-4-TKIP_MIC_FAILURE_REPORT: Received TKIP Michael MIC failure report from the station XXXX.XXXX.XXXX on the packet (TSC=0x0) encrypted and protected by group key.
Oct 22 17:04:39.978: %DOT11-3-TKIP_MIC_FAILURE_REPEATED: Two TKIP Michael MIC failures were detected within 1 seconds on Dot11Radio0 interface. The interface will be put on MIC failure hold state for next 60 seconds.
Oct 22 17:04:39.978: %DOT11-6-DISASSOC: Interface Dot11Radio0, Deauthenticating Station XXXX.XXXX.XXXX Reason: Invalid MIC
Oct 22 17:04:39.978: %DOT11-4-MAXRETRIES: Packet to client XXXX.XXXX.XXXX reached max retries, removing the client
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Then I made last two successful tests:
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The last one was to go to another room where there is very few wlan signal noise around (where I was originaly testing the AP, there are a lot of SSIDs flying around).
And that was it, using TKIP on this new room work just perfect.
I hope this helps
Regards
Karla

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