WRT54G Router Intermittent Connection Drop

To keep all of this in a nutshell, i have one WRT54G router wired to a PC and connected wirelessly to my laptop.
With the router in place, everything has been fine for over a year until last week when the router just couldnt connect to the internet. Upgrading the firmware helped a little bit, but the connection just kept on dropping ever minute (literally) and reconnecting by itself quickly. This basically meant that the connected IP address changed every single minute, making it hell for my instant messengers and downloads which disconnect every minute when the problem happens.
A direct connection without the router in place, from modem > internet is perfect, no drops whatsoever.
I went out and bought a BRAND NEW ROUTER but the same problem is happening. Ive tried everything but cant find an answer.
Any help is greatly appreciated.

Guys, im reading articles on the relation between router problems and P2P programs. It does make sense, ive been disconnected because of my torrent downloads but it still doesnt make sense that the problem is the same with a BRAND NEW ROUTER.
And why doesnt the version 7 of the WRT54G have any firmware upgrades?
I'll post here if i find anything else.

Similar Messages

WRT54G Router - Internet connection issues using the Ipod touch

Ok, first - here is my setup. I've got the router hooked into the modem, with the desktop computer hooked directly into the router. I've got my laptop running off wireless internet, and I've got an ethernet cable connecting through my laptop to an xbox for xbox live connection. I recently just got an iPod touch, and I've come to realize that whenever I'm on the iPod, it messes with the internet on the desktop computer and on the xbox, but not the laptop really.. it makes the internet really slow, or sometimes it doesn't work at all, especially on the xbox. Is there anything I can change to make these all work at the same time? Or is this too many connections or what? Please help. thanx.
(running windows vista home premium, WRT54G router, pretty much beginner status, though I can follow directions easily : ] )
Also, the internet always works on the ipod, it seems as though the ipod is 'taking over' the internet.. it doesn't lose it while in the area, yet the other computers and xbox does at times..
Message Edited by jmaxey0122 on 12-16-2009 05:27 AM

You might be facing the problem, because the Ipod and your Desktop computer must be having the same IP address thats the reason whenever your IPod is connected to your Network, your Desktop must be getting disconnected. Check the IP address of your IPOD and of your Desktop Computer.
First thing which you need to check, if the Physical connections are done properly. Connect the Modem to the Internet Port of the Linksys Router and then Connect the computer to the LAN Port No.1. On your Desktop computer login to the setup page of your Router and click on the Status tab and check "Internet IP address"
If required you can Re-Set your Router and Re-configure all the settings on your Router from the scratch.

Any definite answers to intermittent connection drops?

I've been having this problem off and on for several months- I've read lots of posts here with a wide range of different fix suggestions. Any help from somebody whose successfully troubleshot this?
My Gear: Broadband Cable Modem -to- Airport Extreme (802.11n) via ethernet.
Airport -to- iMac, a Windows laptop, and iPhone via WiFi.
My problem: All 3 clients have the same issue: The connection drops every 8 seconds. I'm connected to my network, all bars black- then I get dumped, "looking for networks" for a second or two, then it re-connects. This happens every 8 seconds like clockwork. Internet connection, e-mail, iDisk- everything affected.
What I know:
1. It is not the modem. Connected directly to the modem with ethernet, everything is fine.
2. Restarting airport does not help.
3. I don't think it's interference. The very first time I connected my Wi-Fi, I had this problem. I moved a cordless phone to the other side of the room, and the problem went away...for a few weeks. Then it came back. I did all the usual stuff, restarts, etc. nothing helped for a few days. Then suddenly the problem spontaneously went away. Been okay for about a month or so- now it's back with a vengeance.
I haven't changed service providers...BUT:
When I recently re- setup the airport while ethernet connected, Airport Utility told me that the modem did not have a valid IP address. I haven't changed anything. Modem is still the same.
How do I change the IP address? Can I do this manually? Would this cause signal drops every 8 seconds?
Judging by the posts on here- this seems to be a common problem. However, I haven't seen any common solutions. Help

3. I don't think it's interference"
I do. Every eight seconds" provides a strong hint that you are dealing with something like an RF radar sweep, or a nearby wireless security system that sends out a scanning signal about every eight seconds. A guy in the neighborhood with a ham radio that is misbehaving is a possibility as well.
I can't tell you how to actually locate the source of interference, but even if that were possible, whether it could be eliminated is another question.
I just spent a few days trying to help a friend who moved into a new apartment complex where it seems like everyone there is affected by intermittent drops on their wireless networks. When I got up on the roof, I noticed that the complex just happens to be located on a higher elevation area directly between two visible microwave transmission towers. That could also be a possibility in your case.
Message was edited by: Bob Timmons

How to troubleshoot intermittent connection drops on Apple LAN (TimeCapsule AirPorts)

Hi all, I have built out a wireless network for an office space. The network consists of a TimeCapsule acting as a router w/ dhcp and 3 Apple AirPorts acting as access points to the TC. I have gotten reports from users that there has been random connection drops (symptom: wireless internet stops working breaking AirPlay, etc.). Is there a way to review router logs to see what happened? Are there any proactive tools I can install to monitor connection drops?
I have Logmein Central and can make one of the computers a Logmein Pro client but the alerting on that is very weak, looking for something more. Please help!

Hi all, I have built out a wireless network for an office space. The network consists of a TimeCapsule acting as a router w/ dhcp and 3 Apple AirPorts acting as access points to the TC. I have gotten reports from users that there has been random connection drops (symptom: wireless internet stops working breaking AirPlay, etc.). Is there a way to review router logs to see what happened? Are there any proactive tools I can install to monitor connection drops?
I have Logmein Central and can make one of the computers a Logmein Pro client but the alerting on that is very weak, looking for something more. Please help!

WRT54GS Router-trouble connecting to vista computer

I have 2 laptops. One is xp and one is vista. I used the setup cd to install my new router on both of them. the first thing i noticed was that there were 2 very different setups for the vista and the xp computers. when i loaded it into the xp computer it came with a proram called "easylink advisor". All i did was folow the directions and it was perfect, the xp computer is wireless. when i go onto the easy link advisor it has an option and tells you how to connect another computer to your router wirelessly. I followed all the steps on that and it did not work. as soon as i unplug the blue cord from the vista computer the internet connection is lost. I noticed that the router is connected to that computer becasue when i go to "manage wireless networks" it is there, but when i click on the symbol by the clock and click "connect to a network" there should be a lst of all the networks i am connected to and there is nothing there. so where is my netowork??? its there according to the "manage wireless networks" page!?!?!?!
I hope that someone can help me with this problem. I have been at this all day!
thanks

Try turning your ON the wireless switch of the laptop & you will be able to see the wireless networks...click yours...click CONNECT...if secured it will ask you for hte wireless password & you will be able to go ONLINE WIRELESSLY!!!!!!!!!!!!!!!

WRT54G Router cannot connect to internet

I have Earthlink DSL and am trying to connect to the internet via the WRT54G from my Dell desktop. (Can connect to internet directly through modem just fine.)Have ethernet cable connected to DSL modem and router internet port. Have other cable connected to ethernet desktop port and port1 on router. Setup CD fails on "checking internet connection."
Per tblshooting docs:
Have changed IP to 192.168.2.1
Have changed to PPPOE, with ISP [email protected] and password.
Powered off modem, router, PC. Restarted.
Try to connect to internet--Earthlink dial-up pop-up comes up because there's no DSL connection.
Help.

On top of IE.... go to tools... internet options... then connections... then check the box that says never dial a connection.....
Go back to default 1st on the router. Start from scratch by pressing the reset button of the router for 20-30 seconds , then power down router for 10 seconds and power it back up.
The go back to the router interface (192.1681.1) and leave it as just Obtain IP Automatically or Automatic Configuration DHCP... then go to MAC Address Clone.. enable... clone... save settings... then go to the status page and tell us what is the Internet IP Address value that you see...

MacBook Pro/WRT54GX4 Router -- continuous connection drops

Hi. I've seen similar messages addressing this kind of problem but have yet to see a solution and was hoping someone could help: I just purchased a new MacBook Pro with the latest Leopard version. When I try to connect to my WRT54GX4 Wireless-G router at home the connection keeps dropping (like every 30 seconds or so) and I can never get on the internet. My current security is WEP and I'm very reluctant to change it because all of my other devices (including an iMac, WinXP laptop, SlingBox and Wii) work fine.
I've already tried upgrading the firmware and checking the same MacBook on another wireless network -- and it works fine there.
Any help would be appreciated. Thanks.

I FOUND A SOLUTION THAT WORKS!!!! First a little back story. Got my Mac Blackbook and the wi-fi worked great from my Linksys wrt54g2 router. Moved to Germany and into an apartment and my connection issues started happening. My MB would connect once then loose connection quickly and would only recover connection if i either closed and re-opened my screen, or re-connected to my network... then it would drop again before my next page turn. After multiple days of research I read about SOOOO many others having this issue and the fact the Apple pretty much refused to acknowledge the issue. It seemed that sometime near the OX 10.4.2 update the airport driver got fubar'd leaving all those with Intel based macs wi-fi connects messed up. Some of the solutions i read about and tried had to do with changing my WEP connection to WPA. This did not work, but i left it as WPA as my research finds it a more secure connection. I also read about and tried setting my Wireless RTA Threshold in my router to 256 from the *2432 default. This as well did not work, though I have left it at this setting as it seems to be the best value for MAC's connecting over wi-fi. This is not true for PC's though so be careful. More research, more research, o' my brain hurts and my patience is wearing..... then BINGO!!! I found a thread about connection issues that pertained to MB's not connecting to local-network printers. The poster mentioned that MAC's seem to have a hard time connecting to networks that had more than one wi-fi network present. This is my issue i thought. I have 8 in my available connections now. In my old home I had just mine. So i followed the directions suggested and it has now been 2 weeks of 100% perfect wi-fi connections. Below is the excerpt from this page, http://www.macintouch.com/readerreports/macbookpro/topic2005.html (Do a find for “Little Snitch”). The program the writer talks about is called Little Snitch found here, http://www.obdev.at/products/littlesnitch/index.html. It's a $29 dollar program, but in my mind its well worth it to make my $1500 Blackbook work! This may not be the Apple Fix we have been waiting for them, but its completely working for me. [quote] I have used Little Snitch software for several years, and it occurred to me that I might be able to use it to block any connections with the other network. Using the latest version (v.2), go to Preferences, or Little Snitch Configuration, choose Rules under the Window menu, and click the New button. In the pop-up window that shows up, click on the gear icon and choose "Choose System Process." A file open box opens, and under the folder "libexec," choose "airportd." "airportd" is the system daemon that controls the Airport card in the MacBook Pro. In the box that comes up, set the main menu to "Allow Connections" and the Server menu to "Local Network." [/quote]

WRT54G vers 7 connection drop problem

I've bought this router a week ago and sometimes in 10 minutes he dissapear out the wireless list... Sometimes it is in 2 hours and sometimes in few minutes.. I updated my FW to 7.00.4 But the problem stays..
In games or MSN I log out then and 30 seconds later the wireless router is again in the wireless list and I must log back in.. Or I must turn the power off my router 30 sec. and then turn back in... It's very frustating
Someone Can help me?
Message Edited by JASL on 02-18-200702:46 AM

try out a few tweaks in the wireless settings....
change the ssid , channel to 1 or 11...
under the "advanced wireless settings" , change the beacon interval - 50 , fragmentation threshold - 2304 and RTS threshold - 2304 ....
do a power cycle after changing the settings

Internet Connection Drop Outs when remote administ...

I did not want to trouble anyone here if I thought it unnecessary but now I feel that I do need some assistance so this warrants opening a new thread.
BT Infinity Option 2 customer with BT HH 4 and its separate modem - not hacked so cannot read any useful information or login to see what is going on and both BT and the manufacturer long ago removed the open source code of the modem.
I am quite confident now that these disconnections happen when a remote server/attacker attempts to gain access to my network. These can be from China, Iran and other places too. Sometimes Ministry of Defence? I don't know why I get these connection attempts and most of the time I see BT HH 4 does block these so why I get disconnected I have no idea?
I made a post in an old thread before opening this thread and said it was due to firmware upgrade but I misread the date! It was not updated since the 8th of May I think. These disconnections have been happening only this past 4-7 days with the most 4 days with intensity greater than the 3 before. I am not 100% certain it is caused by the remote administration that is blocked.
What happens when this takes place is the BT servers are then unreachable sometimes and I cannot regain a connection for up to 3 hours at a time, usually it is 5-10 mins max though. Without looking at my event log, any ideas?
I want to get different gear now and never wanted to use BT equipment anyway because I want greater control and options to configure. I would like to go with DD-WRT or OpenWRT Router with Integrated VDSL v2 modem. Anyone here that may suggest one that supports either of these open firmwares? Not so much the concern to prevent any security holes or backdoors but just as much if not more for versatility and configuration and just having control over my network. being able to do upgrades when I want and not when my ISP decides needs doing. And before you say BT do not have backdoors then why would they admit they can remote login to devices and storage contents with their pwerline adapters even. I remember reading a news article quoting BT as admiting this. Anyway, that is not my main concern here, as much as privacy and security is not a crime it is rather rare online. First I need to get to the root cause of this.
BT HH 4 is not reporting any DDOS attacks and even if it were I would not expect to experience any disconnection. I used to get tons of floods from DDOS attacks years ago when using Netgear routers and never exeprienced any downtime, but that was with another ISP. I don't detect any malware or anything like that and rarely download anything on this machine, I know web browsing can infect a system but I don't think that is it.
I want to go back to how I used to do things. Any help with this is appreciated. I will need to get my router login details because I was never given those when I singed up with BT Infinity Option 2. I don't even know what my BT email is but do believe there is a way to recover that under my account. **In the past we have had intermittent connection drops and loss of sync but this is not the same right now.
Edit:
** Just to clarify that was before we upgraded to BT Infinity Opt 2. This is the first time any probs with this service since upgrade and that must be about 6 months or more now.

When running BT HH diagnostic it printed out that the username for login had changed and needed resetting or for me to enter my own in that I was NOT given! Anyway, when going to select manual reset it had not changed from default at all so I think this is just some default BT diagnostic that is false. I realise that other BT customers are affected by this with the BT HH5 but mine is HH4...my posting probably isn't as clear right now as I have not slept as much past few nights trying to figure this out. This is happening at different times of the day but more often during early hours.
So I am getting these WGET TLS error(s)
How do I enter in log excerpt from BT HH? Forums says my post exceeds 20K chars...

How do I share internet using WRT54G router?

I have a computer that is connected to the internet, and it has 2 Ethernet ports. I'm using 1 of them to connect to the internet, and I want to use my WRT54G router to connect to the internet through the second Ethernet port, for my wireless devices. Is this possible? If so, how would I set it up. I have it plugged in right now, but it says limited or no connectivity on my computer, and it doesn't appear to be working on my wireless device.

It is something like this. Unplug the Ethernet cable from the computer and plug it to the internet port of the router. Now install another cable from port 1 in router to your ethernet port in your computer. Port 2 to second computer, etc. You will need a wireless adapter on each computer if you want to go wireless.
Now, you have to configure your router. Either use the CD or connect it manually.
Log on to router using 192.168.1.1 and use admin as password. Leave username blank.
Click on Wireless. Now change the SSID to something other than Linksys. Ex. Yankee. Click on save.
Click on Wireless Security. Change mode to WPA2 Personal. Change Algorithms to TKPS+AES. Make up a passphrase (8 charactors or more) Click on Save.
Now go to computer with wireless adaptor and look for your wireless network (ex. Yankee Secured Network) Click on it then connect. It should ask you for the key. Put the passphrase you set up in router.
Greetings from Northern Ontario, Canada

PPPoE Connection Drops streaming video on my Linksys WRK54G

So I just set up my Linksys WRK54G Version 1.1 to handle my PPPoE connection, meaning I entered the username and password assigned to me via my ISP. It works for a bit and then seems drop the connection all together. When this occurs, I cannot even ping the router (192.168.1.1). I have to unplug the AC Adaptor and then plug it in, inorder for the connection to pick up again. It seems when I try to access streaming video from a certain site (http://www.mtv2.com/#videoPremiere/1552982) and I have PPPoE setup via my router, the connection drops. If I change the setting to "Obtain an IP Automatically" and send my PPPoE credentials through my Windows XP client all is well. No issues what so ever.
I called Linksys and they had me try setting my MTU to 1400 but that did nothing. I have the most recent firmware as well. He then said that I will need to call my ISP and increase the bandwidth on my modem to get it to work (connect directly to my modem).
I have since reset the router, downloaded the newest episode of "Heroes" and fired up You Tube and watched a few streaming videos while grabbing the torrent. Everything looked ok.
I then went back to the MTV2 link I posted above (http://www.mtv2.com/#videoPremiere/1552982) and clicked play. At the same time I set up a continuous ping to the router. Sure enough, the connection dropped completely. Unplug the AC Adaptor to the router for 1 second, plug it back in and all is well. I am truly stumped here.
Is the issue perhaps a port issue with the video I am trying to stream from MTV2? It seems regular stress tests work ok.
PS - It seems someone else was having a similar problem here: http://www.dslreports.com/forum/rema...?hilite=wrk54g
UPDATE: I went to bed and woke up and my connection has dropped completely, and I was not even downloading anything?! Can someone please help me with this issue?

well...i guess u have tried almost everything possible on the router...try TCP optimiser .. this should adjust the MTU settings of the NIC card on the computer....
if u are having issues on the wireless computer, change channel - 1 or 11 , change beacon interval - 50 , RTS and fragmentation threshold - 2304 ...

FiOS Quantum Gateway Router - Intermittent Dropped Connections

I just got this router and incredibly disappointed!! I had the Arcotec.. Excuse my spelling and was having intermittent problems with that but this new a Gateway is herendous!!! I can't believe they charge you a 199 for this. Wifi signal lost constantly. Called tech support.. Now they want to charge me 75 bucks for an extender that they say will help.. Optimum looking better all the time!! Very frustrated.

I am experiencing the exact same issue. My issue also started after i upgraded to their 50/50 plan and swapped out my Actiontech M42xxx for the Quantum Gateway Router. They had me do the following and i am still having the issue. 1. disconnect the coaxial cable and the power from the router2. Reset the fios box in my garage by unscrewing the battery power and removing the battery3. Replaced the router (Verizon did this and the replacement was another Quantum Gateway)4. Replaced the box in my garage (Verizon did this)keleko68 wrote:
Hi All, I upgraded my FiOS service a couple of weeks ago to the Quantum 50/50 service and bought the Quantum Gateway/router (model# FiOS-G1100). I used to use the Actiontec router (model# MI424WR, Rev. I). I've been having issues probably for months with intermittent or dropped connections on both wired and wireless connections. Fast forward to the beginning of December. I called tech support enough to the point of them sending a tech out to look at it. My ONT was old, and he replaced it. I had hoped that this was the issue, but it wasn't. The drop-offs continued. I again hoped the upgrade in service and router would also fix the issue. Nope... didn't. This 'latest, most powerful' router only has two lights on it, one for wireless signal and the other that looks like a globe. The router sits on my desk, so I can watch the lights. While I am surfing around, the globe light will suddenly flash for about 5-10 seconds. While this is happening, my connection drops/stops, and then resumes a couple of seconds after the globe light stops blinking. I also noticed that the globe light will turn red once in a while, but not nearly as often as the blinking white does. It's not really consistent as to how long I can be online before the connection starts dropping. I haven't honestly watched it for a long period of time (in other words, I don't know if it's still doing it while I'm not at the computer). I just notice it while I'm trying to use the connection. Once the router starts disconnecting, it can happen as often as every few minutes. VERY annoying. My setup is:2 Mac laptops (one used wirelessly and one used wired connected to a display)1 Apple TV (wired)1 Apple Airport Express (wired)1 printer (wired) I don't have any cordless phones, powerline adapters, wifi extenders, or other electronics that might be messing with the signal. I use VPN software but haven't noticed a difference with it on or off (I think). Any thoughts as to what this might be or where to look? Thanks in advance. I am still having the issue. there is obviously an issue and either Verizon knows about it and doesn't want to say they know there is an issue and fix it, or they are too dumb to take the time to find out. Each time i call i give them detailed information on the issue and ask them to check their knowledgebase if its listed as a know issue and they keep saying it's not. The issue happened again tonight, 1/8/15. at first my laptop dropped Internet connection while i was surfing. then i checked my other wi-fi devices and they all lost connection. i then went and checked my wired devices and they too lost connection. I look at the router and this time both the Globe Internet and the Wi-Fi lights were solid white. i looked at the Internet Ethernet light and the bottom light was green. I could have resolved the issue by unplugging the router and plug it in back, but instead i called Verizon so they could see the issue. 10 minutes into the Verizon call queue the Globe Internet light changed from solid white to solid red. 5 minutes later i finally got to speak to a tech. at first he said the box in my garage wasn't connecting to the router and asked me to disconnect the coaxial cable and the power and, according to him, he sent some command and instructed me to connect the coaxial cable and power the router back on. I did that and then the issue went away.I told him the rootcause of the issue was not identified and fixed and the issue would occur again and i needed him to alert engineering or product development about the issue. i then told him its a know issue with the router and he should do a google with "Verizon Quantum Gateway dropping connection" and he would see how many people are having the same issue. I told him Verizon need to take their heads out their A*%%%$ and spend some time and investigate and resolve the issue. Me

WRT54GS Wireless Router Connection Drop!!!

Hey everyone, heres my rant. I have called technical support about a dozen or more times this past month for the connection drops from my WRT54GS Wireless Router. I only use 4 devices to go online;A computer running windows xp, my Xbox 360, my PS2 and my PSP. I always have problems with ALL the devices, of which only 2 are connected wireless, the Xbox 360 and the PSP. I have updated the firmware already but the problems persists, anyone have any suggestions? Because I am ready to throw this thing out the window! LOL Any help would really be appreciated because the tech supports can't help. BTW this is my 1st replacement, reason for this is I had the same problem with my original router. Also the connection is fine when I connect directly from the cable modem to my computer or Xbox 360. What do I do??

hi....try a few things here......first off , change the MTU on the router to 1365 as it is the recommended value for the Xbox 360.....
another thing that i would like to know is if u have forwarded the ports required for the xbox , the PSP and the PS2 ? ...
in case u have not , here are the ports that u will have to open on the router under the Port forwarding section..
The PSP and the PS2 use the same ports :-
TCP:- 10070-10080
UDP :- 6000-6999
The Xbox uses :-
TCP :- 3074 & 88 ...
let me know if u need any more information

Wrt54gs router to internet cable modem connection drop

With the wrt54gs router set at auto dhcp and mostly on default settings, after some time of inactivity the connection between the router and internet cable modem drops out. That is, when there is no activity (no transmission to/from internet) the connection drops and the wireless connections shows "local only." Any suggestions/comments on why this is so? Thanks!

Have you tried to connect the Modem to the computer and checked if you are facing the same problem or not?
On your Router setup page, change the MTU size from AUTO to Manual and change the Size from 1500 to 1350 and click on Save Settings..... Then click on the Wireless tab and below Set the Radio Band to Standard-20MHz and change the Standard channel to 11-2.462GHz...Wireless SSID broadcast should be Enabled and then click on Save Settings...
Click on the sub tab under Wireless "Advanced Wireless Settings"
Change the Beacon Interval to 75,Change the Fragmentation Threshold to 2304,Change the RTS Threshold to 2304 and Click on Save Settings...
Now see if you can locate your Wireless Network and attempt to connect...

Intermittent Wireless Connection, Dropping Wireless Connection

I am asking this in hopes of finding at least some way to diagnose my problem and hopefully eventually solving it. My wireless connection currently drops at varying amounts of time. Sometimes I can go 20mins others merely 5mins. The Airport reads that I am still connected and have a strong connection but when I try to navigate to a page with the browser (either firefox or safari) it merely times out after trying to load the page for up to a few minutes. I have changed the channel and frequency of my router (first router I tried was a Trendnet TEW-432BRP) and I have no cordless phones or other possible wireless obstructions. (I do have a very very infrequently used microwave but being that it's on the other side of the house and I can be sitting next to the router I doubt this is the culprit)
Then I tried changing routers to a Belkin N1 Vision router. Same issues. Additionaly worth noting all other PC's and linux machines on my network (about 4-5 other computers) all work just fine with out dropping their connections (with both routers).
Then I brought my original machine (a white macbook less than a year old) into the apple store, thinking at this point it was a hardware problem with my machine. They the replaced the airport card twice and the logicboard once. Eventually decideing that they should just replace the whole machine. Now with my new unibody I thought I had finally illeviated the problem but now I am having the same issues with an intermittent connection again.
If I turn off the Airport card and turn it back on again usually it will reconnect and allow me to browse again. But not always. The odd part is that generally when using another program that accesses the net the connection does not seem to be interrupted (such as with bit torrent). Very odd.
Anyway I tried using my computer at a friends house with the same trendnet router (his router but same model) and still the connection issues persist. Any ideas on what I can do or try to at least even begin to understand why this is happening would be helpful. I want very much to get to the bottom of this. Thanks for your help.

You didn't get the Apple Store to replace a white MacBook with a unibody?!
Anyhow - the connection problems could easily relate to an incompatibility between OS X and the router in question. Or it could simply be a setting on the router that isn't working well. To assist in the diagnosis... can you please supply:
1) The security mode of the router? (WEP or WPA/WPA2 and AES or TKIP).
2) The network mode (G/N)?
3) The signal strength as reported by Airport (RSSI)
You can get most of this information (all except the security mode) by holding the option key down whilst clicking on the Airport icon in Finder. For the security setting you can go to your routers configuration screen (or you can get it from the command line).
Cheers,
Rodney

WRT54G Router Intermittent Connection Drop

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