WRT54GS V7 loses connection

My WRT54GS loses its connection periodically, requiring a reboot to get it functioning. Further, it reliably locks up while I play Starcraft 2, booting me from the game due to a connection timeout with clockwork regularity. In these cases, the router will eventually come back online on its own, but does so faster if I reboot it.
The router has the newest firmware. What could be the problem? How can I test to determine the issue?
Thank you!

Have you changed the settings on your router as i have mentioned in the earlier post?
Since there is no change, you can try to download the firmware from the linksys website and update your router.
Go to website linksysbycisco.com/downloads.........insert model no of your router in search tab......select proper version of your router........download the firmware file......save that file on desktop
Firmware Upgrade/Reflash
Follow these steps to upgrade the firmware on the device : -
Open an Internet Explorer browser page on a computer hard wired to the router...
In the address bar type - 192.168.1.1...Leave the Username blank & in Password use admin in lower case...
Click on the 'Administration' tab- Then click on the 'Firmware Upgrade' sub tab- Here click on 'Browse' and browse the .bin firmware file and click on "Upgrade"...
Wait for few seconds until it shows that "Upgrade is successful" After the firmware upgrade, click on "Reboot" and you will be returned back to the same page OR it will say "Page cannot be displayed".
Now reset your router :
Press and hold the reset button for 30 seconds...Release the reset button...Unplug the power cable from your router, wait for 30 seconds and re-connect the power cable...Now re-configure your router...

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Thanks for the reply, but as the original post from my notes, I have already upgraded to the latest firmware, which did not resolve the issue. All machines lose connection, wired and wireless. I have at least 6 various media center, laptop and desktops, vista, linux, and XP that lose connection. Therefore, it is not system specific.

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2)If the desktop computer is turned on while the laptop is running, both will lose connection. If the desktop is turned on first, however, both work fine. This caused me to wonder if the desktop somehow got set up with a static IP address that the laptop was taking if it got booted up first, but I cannot imagine how that would have happened, nor do I see any indication that it has happened.
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I called Tech support and Linksys had me change the MTU and a couple other things, which helped for a while, but not permanently. Then when it kept happening they told me to get a new router, but this one does seem to work fine, except for the above circumstances.
whew, sorry that was soooo long
Message Edited by joeshmoe5409 on 05-28-2008 08:36 PM

Bump. I'm really desperate here, I have to power cycle my router/modem/computer at least 2 or 3 times a day, sometimes as many as 10. I've tried talking to linksys - they had me change the MTU and a couple other settings, update the firmware, and change the channel. I cannot figure out for the life of me what the deal is here. It is especially bad this morning, has already dropped on me 3x. Any thoughts?

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I've got a strange problem I haven't been able to figure out myself.
On my MacBook Core Duo (original 2006) on 10.6.2, my airport loses connection with my wireless router (Linksys WRT54G) after 5-10 minutes of use. My airport still shows a full signal, but I lose all connection (I cannot even see the router itself when I navigate to its IP address in Safari - normally I get the web based configuration panel). If I turn off Airport and then turn it back on again, I get my connection back for another 5-10 minutes.
I am using WPA encryption.
I get this problem when my computer is far away from the router or very close.
I do not get this problem on our other computers - one Vista desktop and and two XP laptops.
I have no connection problems when I plug my modem directly to the MacBook via ethernet.
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Message was edited by: MBaker22

MBaker22
I am having the SAME exact problem with my Mac. I have a late 2008 white 13" MacBook and it's been upgraded to Snow Leopard and I'm running version 10.6.2. I am wondering if any Apple employees can assist us on this issue or tell us if the impending 10.6.3 upgrade will have a fix for this.
My Airport will be connected to my wireless network and be working fine. As MBaker22 says, after 5 minutes the connection seems fine, the IP is fine, the network is fine and the network works for other laptops and desktops in my house BUT I can't access the Internet. All of a sudden I have no ability to check for software updates, browse the web or do anything that connects to the Internet.
Some other strangeness. When I try to hit the IP of my wireless router in my web browser, it asks me for credentials and then just sits there saying Connecting to 192.168.1.1...
It also only says connecting to www.google.com or www.cnn.com or www.yahoo.com when Airport is behaving this way.
If I plug in my Ethernet cord to my Mac everything works just fine so this is an Airport issue and probably an issue with Snow Leopard? I'm not sure.
Anyway the REALLY weird thing is that I can ping some websites and not others in the terminal when Airport starts behaving this way. That might be because of caching but either way.
Here's a TCPDUMP of my connection on Airport (en1) using Google DNS 8.8.8.8 (but if I use my ISP DNS it still does this):
11:54:45.524180 ARP, Request who-has 192.168.1.104 tell 192.168.1.1, length 28
11:54:45.524269 ARP, Reply 192.168.1.104 is-at 00:22:41:f9:27:e7 (oui Unknown), length 28
11:55:14.273259 IP 192.168.1.104.50470 > iw-in-f103.1e100.net.https: Flags [F.], seq 1, ack 4294965572, win 65535, options [nop,nop,TS val 31991140 ecr 745959806,nop,nop,sack 1 {4294966990:0}], length 0
11:55:14.349839 IP iw-in-f103.1e100.net.https > 192.168.1.104.50470: Flags [R], seq 4200800152, win 0, length 0
11:55:14.648516 IP 192.168.1.104.59886 > google-public-dns-a.google.com.domain: 33436+ A? en.wikipedia.org. (34)
11:55:14.657939 IP 192.168.1.104.57695 > google-public-dns-a.google.com.domain: 47825+ AAAA? en.wikipedia.org. (34)
11:55:14.733680 IP google-public-dns-a.google.com.domain > 192.168.1.104.59886: 33436 3/0/0 CNAME rr.wikimedia.org., CNAME rr.pmtpa.wikimedia.org., A 208.80.152.2 (100)
11:55:14.737110 IP google-public-dns-a.google.com.domain > 192.168.1.104.57695: 47825 2/1/0 CNAME rr.wikimedia.org., CNAME rr.pmtpa.wikimedia.org. (135)
11:55:14.737165 IP 192.168.1.104 > google-public-dns-a.google.com: ICMP 192.168.1.104 udp port 57695 unreachable, length 36
11:55:14.821208 IP 192.168.1.104.50471 > rr.pmtpa.wikimedia.org.http: Flags [S], seq 3597359122, win 65535, options [mss 1460,nop,wscale 3,nop,nop,TS val 31991146 ecr 0,sackOK,eol], length 0
11:55:14.883842 IP rr.pmtpa.wikimedia.org.http > 192.168.1.104.50471: Flags [S.], seq 1708330874, ack 3597359123, win 5792, options [mss 1460,sackOK,TS val 2552235245 ecr 31991146,nop,wscale 9], length 0
11:55:14.883938 IP 192.168.1.104.50471 > rr.pmtpa.wikimedia.org.http: Flags [.], ack 1, win 65535, options [nop,nop,TS val 31991146 ecr 2552235245], length 0
11:55:14.884271 IP 192.168.1.104.50471 > rr.pmtpa.wikimedia.org.http: Flags [P.], seq 1:379, ack 1, win 65535, options [nop,nop,TS val 31991146 ecr 2552235245], length 378
11:55:14.945929 IP rr.pmtpa.wikimedia.org.http > 192.168.1.104.50471: Flags [.], ack 379, win 14, options [nop,nop,TS val 2552235251 ecr 31991146], length 0
11:55:15.071277 IP 192.168.1.104.60681 > google-public-dns-a.google.com.domain: 34531+ PTR? 2.152.80.208.in-addr.arpa. (43)
11:55:15.164792 IP google-public-dns-a.google.com.domain > 192.168.1.104.60681: 34531 1/0/0 PTR rr.pmtpa.wikimedia.org. (79)
11:55:15.247579 IP rr.pmtpa.wikimedia.org.http > 192.168.1.104.50471: Flags [P.], seq 1:529, ack 379, win 14, options [nop,nop,TS val 2552235277 ecr 31991146], length 528
11:55:15.247664 IP 192.168.1.104.50471 > rr.pmtpa.wikimedia.org.http: Flags [.], ack 529, win 65535, options [nop,nop,TS val 31991150 ecr 2552235277], length 0
11:55:19.730376 IP 192.168.1.1.ssdp > 239.255.255.250.ssdp: UDP, length 271
Now that's me (192.168.1.104) and my router (192.168.1.1) trying to connect to en.wikipedia.org without success.
Any help here would be great, especially since I'm not alone.
Matt

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Say thanks by clicking "Kudos" "thumbs up" in the post that helped you.
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> 1. If the MBA is connected to the
> a. the Technicolor SSIDs, is the behavior the same (poziom-k testing shows that a second AP causes problems).
No. If connected to WiFI served by Technicolor, the problem does not occur (even if the other AP is connected to the network).
> b. can the Technicolor be replaced easily by an Airport Express/Extreme, to repeat this test?
Unfortunately, Technicolor in router mode is required by my ISP.
> 2. Instead of WiFi, if the MBA is cabled to the secondary AP, is the behavior the same?
Yes.
> 3. Has Wireless RF interference been ruled out for dropped connections?
Yes. A Windows machine and several iOS mobile devices work flawlesly for me.
> 4. If the MBA has a wired connection to the Technicolor, does the problem still exist?
No. The problem occurs only if connected through additional AP.
> 5. Have packets been captured at each interesting point in the topology to see where are packets drops occurring? netstat -s is probably worth looking at > such points. Wireshark (or similar tools) can help.
Not yet. I will not have a chance to do it for the next few days though :/

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Hey there Hannahboyce,
Welcome to Apple Support Communities.
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I able to reconnect if disable and re-enable home sharing.
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I have the same / similar problem.
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Message was edited by: NiklB

WRT54GS V7 loses connection

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