WRT54GS v7.2 Resetting Cable Modems?

Hey guys,
I'm posting here because I'm trying to cover all of my bases. I've been having issues where my cable modem would do a partial reset, and while in games it would act like a big lag spike. Going through Comcast, they tested my levels and everything comes back phenominal. They believed that it may be related to my games (World of Warcraft, Call of Duty 4; PC) taking up too much bandwidth, and causing the "MTA" to reset. The modem was an Arris Touchstone modem, and when it would reset all lights except for Downstream, Upstream, and Power would shut off; then turn back on and everything was fine. I was unable to forcefully reproduce this issue.
Comcast provided me another cable modem, so now I'm running two (one strictly for internet, the other strictly for phone). The same day of getting the new modem (also a different kind), the issue occurred again. If I could say when the issue happens, it's whenever I'm connected to a Ventrilo server + one of the games at the same time. Comcast is out of ideas and is continually saying that it's the games fault, however I still don't believe that. Posting elsewhere, someone recommended that perhaps the NIC is sending a power packet through which is causing the modem to reset... but since I'm connected to my WRT54GS 7.2 (latest firmware), that would have to be the case. The modem does not produce any error logs that would help.
I searched the forums, and someone stated that their router (different model) reset their modem, however Linksys RMA'ed his existing one and his new one doesn't do this. Would Linksys do this for me? Unfortunately one of the only ways of testing to see if the problem occurs is by isolating my computer directly to the modem. Unfortunately since I cannot force the issue to occur, I could probably go 2 weeks without having the issue and still not be sure if it's fixed.
Any ideas?

Since how long you have been facing this issue ? It's tough to tell, I know I never experienced this issue with my old router, however I can't be sure if the issue occurred immediately when getting the router or a short time afterwards.
How often does this happen ? Timing varies. I can go days without it happening, or I can have it happen multiple times in one gaming instance.
Did you reset your router and re-configure it ? I have not done this. My router has minimal configuration other than setting a wireless password and maybe a port or two forwarded.
I know I won't be able to verify 100% that it is the router, however it is kind of strange that this issue now occurs on two modems that are completely different make/model from each other, and never happened on my old router. It just really stinks because I can't just connect one computer for a weekend to try it without the other one being disconnected, and as stated since I can't force the issue to happen, I could do this multiple days in a row and have no answer. I can't connect straight to the modem, have it not happen and say it's fixed. It's just too intermittent to do that.

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I have a Linksys Wrt54gs connected to a Cable modem. it w...

i have a Linksys Wrt54gs connected to a Cable modem.
it worked for about 8 months.
My kid pressed a button by accident and now it won't work.
the router just keeps resetting.
i unplugged everything.
conencted 1 computer, and everything is fine.
Received DHCP address.
Once i plug in a second computer it starts rebooting.
Both computers are set to DHCP.
NO internet connection is connected at this time for troubleshooting purposes.
Nothing is connected to the ethernet port on the Linksys router (port for internet access), only 1 and 2 are connected.
i reset the router and still nothing.
i can connect 1 computer via wireless and 1 computer via direct connection and all is good. Once 2 devices are connected via direct connections it starts resetting.
i can even connect the modem to the router (for internet access), and connect to the linksys router via wireless from my computer and get internet access.
But once i direct connect 2 connections, the router starts resetting.
i have reset and reboot it with every combination i can think of.

Its good that its working now.
If it happens again, try this :
Press the reset button on the router for 30 seconds. The Power light will start flashing. Turn the Router and the Modem OFF. Turn the modem ON first, wait for 10 seconds, turn the router ON, wait for 10 seconds, you should be ONLINE !!!
Do this when the computer os connected to the router with a cable.
than on the computer open Internet Explorer and in the Address Bar type : 192.168.1.1 and hit enter.
It'll ask for the password. The default password is admin.
Once in the setup page. Click on the Wireless tab.
In there Change the Network Mode to mixed. And change the SSID to your name.
Change the Channel to 11. And Enable the SSID Broadcast.
Save the settings here. After that Click on Wireless Security and configure it accordingly and Save the settrings.
Than click on Advanced Wireless Settings. In there Disable the SES function.
What is the firmware on the router ?
Click here to see the updated list of firmware.
For information on upgrading the firmware on the linksys routers :
http://linksysfirmwares.googlepages.com/upgradingfirmware
For information on wireless security :
http://linksysfirmwares.googlepages.com/wirelesssecurity
Message Edited by theonkar on 08-20-2008 04:48 AM
C | EH
linksyshelp.blogspot.com

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...

Ethernet connection only after reseting cable modem

Hello,
Can anyone help me? Today at work, I plugged an ethernet cable into my my mac air and got a connected green light, but no internet access. The same happened when I took my laptop home. Here, I just reset my cablem modem, and it worked. I would feel very awkward reseting the cable modem at work because everyone shares it and that would put everyone's work on hold. What can I do tomorrow at work to make the ethernet connection access the internet without reseting the work cable modem?
Thanks so much for your time,
Kavaitri

Hi Kavaitri,
If you are having issues with an Ethernet internet connection to your Mac, you may find the following article helpful:
Mac OS X: Troubleshooting a cable modem, DSL, or LAN Internet connection
http://support.apple.com/kb/ts1317
Regards,
- Brenden

WRT 330N V1 keeps Resetting Cable Modem

I have the issue that the router (Wrt330N Version 1) keeps resetting my Modem connection. I have turned off the wireless portion of the router and it doesn't happen as often. I have tried to get my money back no luck, I have reinstalled the eprom update that tech support told me to do and still resetting. 10 times allready today that it has reset. Anybody have any suggestions other than throwing it away and buying something else! I have had several Linksys routers in the past and all have been great except this one. Yes I have the lastest eprom.
Solved!
Go to Solution.

Connect your computer straight to the modem and check for a stable connection...If you have a stable connection then download the firmware from here
Follow these steps to upgrade the firmware on the device: -
Open an Internet Explorer browser page.In the address bar type - 192.168.1.1
Leave 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".
Press and hold the reset button for 30 seconds...
Then, unplug the power cable while holding down the reset button for another 30 Seconds...
Plug the power cable back in, and keep holding down the reset button for another 30 Seconds...
Release the reset button...Now re-configure your router...Hope it resolves your concern...

Connecting Two WRT54GS Wireless To A Cable Modem w/ TIVO, PS3, and Wii

Not real great in the networking thing. Upon reading I have found that you can only use WEP on a wireless adapter pluged into a TIVO (series 2 that is christmas gift to wife) to connect it to the internet, and as a concern of having to downgrade my entire network on my main router to WEP I looked for a solution. I read somewhere that if you cat5e from the TIVO into a WRT54GS you can then use the router to send wireless with WPA (or WPA2) to another WRT54GS that is cat5e into the modem. To complicate things I am giving my kids a PS3 and a Wii for christmas and wanted to connect it to the same router as the TIVO. My internet is Charter Comunications cable. The two routers are Versions 5 and 6. The TIVO is remote and I cannot get cat 5e cable to it so I need to use wireless. All distances are ok for wireless. The "main" router that is plugged into the cable modem is a ver.6 and is set in DHCP. All "gifts" are wrapped under the tree so I can't set those components before christmas. I would like to setup the routers to speed things along. I have a laptop (hardwired ) to the second router to set it up. Two other computers and a HP printer are connected to the "main" router. All computers are Windows XP -SP2.
Questions:
1. Can this be done with these components and keep security on the "Main" router maintained?
2. Upon reading these boards it sounds like I should split my system into two seperate routers with the second one passing thru the main router. How would this be done? What are the settings? Reserve addresses for static in the main router to use in the second and run as one system? Remember I am not to good at the network thing... so be complete in the explaination.
3. If I do things as indicated in question 2 will that leave my TIVO, PS3, and Wii open to attack to the internet? Any way to better secure?
4. Any pointers as to how this really should be done would help. Any better ideas in setup??
Thanks.......

Yep, I wanted to connect them wireless but it sounds like I cant without some issues.
Second choice: Cascade-- Connect routers by Cat 5e and make the second one a WEP that has the TIVO, PS3, and the Wii connected wireless to it. The main Router would have the computers and printer connected to it. The main router would be WPA (2) protected for a wireless laptop.
Is the second choice possible??
Should the second router be with static IP's?? Is this the best way to do this with these types of items connected?
I think this will make two wireless systems but if I make the second one a DHCP enabled one then I think it might cause conflicts with a chance of both routers picking the same IP for a connected item. What is the best method for doing this and keeping some type of security??

WRT54GS slamming Cable modem with Packets

I'm having trouble with my WRT54GS locking up my Cable Modem. TWC says its slamming the cable modem with too many packets. Is there any way to check this on my end? Full story below.
A little about my set up. I have Time Warner Cable business class Roadrunner service. 5 Static IPs. 4 being used at the moment. The Cable modem has a 4 port switch built in. Port 1 has a month or so old WRT54GS router v7 latest firmware (Gateway mode, Channel 6). Port 2 goes to my Sonicwall Barracuda them my internal network which also has WRT54GS router v7 latest firmware (Router mode, Channel 1). Both routers are sitting next to each other. Ports 3 & 4 have a Vonage Router hooked to each of them.
I started having trouble April 5 with the Internet being down that morning, then that night and falling morning. I power cycled the Cable modem to restore service. Called Time Warner Cable after the third reset. They told me that didn't see anything wrong from their end and I should call them when it is down. I did this and they said they would send someone out the next morning Friday. They came out on Friday morning and Checked cable which the tech said was fine so he replaced the Cable modem around 11:30. Fifteen minutes after he left the internet went down. I called TWC again. They did diagnostics on the cable modem from their end and saw that whatever was hooked up to port 1 was sent out 400 packets/sec. I think they said the cable modem could only handle 300. Port 1 is connect a WRT54GS v7 (latest firmware). We are using it for our Blackberries from Cincinnati Bell for WIFI and UMA service (like T-Mobiles @Home service) for VoWiFi. I turned off all the phones but the router was still slamming the modem with packets. I turned off the WiFi just in case someone hacked our WPA2 key. Still slamming the router with packets with only my laptop hardwired to it for setting up the router. I turned off the router and the modem wasn't getting hammered anymore. Port 2 which is my internal network was only up to 150 after open a lot of TV shows. Ports 3 & 4 nothing. I disconnected the WRT54GS hooked to Port 1.
15 minutes after I got off the phone with TWC internet goes down. They send out a tech on Saturday to check the line again. he sees a slight problem on the line but it should not be causing a problem which the first guy might have thought. But since I am having trouble he goes outside and checks the connections. He finds loose connection and a bad line cap (blocking cable TV). He fixes the connections and replaced the line cap. He comes back inside and rechecks the line. Everything is great no more fluxation of signal or packet loss. I hook the WRT54GS back but it still takes down the modem. So I figure that it's just bad. So I take the WRT54GS from my internal network and set it up to match the one for the Blackberries it's replace. I install a WAP54G on the internal network in it's place. I can't get my Blackberry to get a UMA connection and doing Google searched find this page
http://www.blackberryfaq.com/wiki/index.php/Linksys_Router_Tips
I set up my router and Assess point with the setting from the above except the channel setting leaving them on channel 6 & 1 so they don't interfere with each other. Set: Fragment Threshold : 2304 (256-2346), RTS Threshold : 2304 (0-2347) and Beacon Interval : 50 (20-1024 ms). I also Enable WMM QOS. My phone connects and internet seems to be staying up Saturday Evening. I come to work Sunday afternoon and Internet is still up. I check my phone I have UMA signal and everything is right with the world. 20 minutes later internet goes down. I unplug the WRT54GS and power cycle the cable modem. I am now waiting to see it the internet will stay up without any WRT54GS hooked up.
I have not had a problem before and both Linksys are not even 6 months old. I have read review were people have had trouble with the WRT54GS. Were some people have no trouble will other all kinds of trouble.

As you said cable connected to the pc is working fine!!...connect modem to the router WRT54GS...reset the router once (30 secs) in such a way that Power light on the router is blinking...power cycle complete network i.e., unplug modem & router power cable for 30 secs...plug in modem power cable once lights are solid green plug in the power cable to the router...its important that after upgrading firmware resetting the router is important...so try this & it should deifnately work.Do the wireless & advanced wireless settings as router is currently in default settings.
Also, you want to connect your access point WAP54G to the router & open the setup page of WAP54G using 192.168.1.245 do the wireless settings & try connecting to the wireless router & then check....should work.

[WRT54G] What type of cable to connect router to cable-modem?

Hi,
What type of cable do I have to use to connect a WRT54G router to a cable-modem, straight UTP or cross UTP?

Normally you would use the standard (straight through) ethernet patch cable.

WRT54G V5 loses connection to BEFCMU10 cable modem

I have a BEFCMU10 on my cable internet service, with a WRT54G downstream. The cable modem works fine, and when the computer is connected directly to it, all is well.
When I connect the WRT54G, all is fine for, say, 8 hours, then the computer loses the connection. Cycling the power to the WRT is required to get up and running again.
I suspect that I have not configured the WRT correctly. It's set to use DHCP to connect to the BEFCMU. Are there specific settings I need to make for this setup?Message Edited by stowaway on 08-21-2006 05:05 PM

If you connect your computer directly to the modem, are you able to go online without any problem? If yes, try to access the setup page of the router and check the status page of the router and check if your getting a public IP address under internet IP. If your not getting a public IP, go to the setup tab and click on mac address clone, enable the mac clone and click clone pc's mac then save the settings. after that do a power cycle on the router and the modem and try to check again the status page of the router if your getting a public ip. If your getting a public ip and still having the same problem, try to lower down the MTU of the router to 1490 up to 1300.

When I connect Time Capsule to Time Warner Cable Modem, amber light flashes

I want to use Time Capsule as my primary wireless network base. When I connect my Time Capsule directly to my Time Warner Cable Modem, the amber light flashes and Time Capsule won't appear in AirPort Utility on my MacBookPro. I've tried unplugging everything and waiting to reset cable modem and Time Capsule.
Before I got the Time Capsule, I used a wireless router. The only way I can get Time Capsule to work is as a guest on my old wireless router network. I can't get the Time Capsule to configure itself directly with my Time Warner Cable Modem.
Any advice would be most appreciated.

This situation is pretty common now and it has nothing to do with the any of the routers but rather how cable modems are configured to work. They seem to latch on to the first device connected to them whether it be a router or a computer and will not allow any other device to access their network. The solution is to power off the cable modem and wait a minute. While you're waiting disconnect the old connection from the cable modem. Power up the cable modem and then connect the new device, router or computer, to the cable modem. Give it a few seconds to complete the connection and you should be ready to go. You have to do this every time you switch connections to the cable modem. This is also why you should set your router to serve addresses so that you don't have to do the cable modem samba when you want to connect a new device to the network.

WRT54GS with Mac OS 10.6.8 and RCN cable modem not working

Hello,
I have a Linksys WRT54GS, version 6 with Mac OS X (version 10.6.8) hooked up to a Scientific Atlantic cable modem, with RCN as the ISP.
Recently, RCN had some network issues, and so I had to power down and reset my modem. The modem is working fine now -- no problems at all when the Mac is connected direclty to the modem.
The router's network is OK in that I can connect the Mac wirelessly to the network, but I can't connect to the internet through the router (through neither the wireless or wired connection).
I have downloaded the latest firmware update for the router, following the Linksys site instructions, but this has not helped me solve the problem.
Does anyone have any advice as to what I should do? I did call Linksys tech support on the advice of RCN, and they said that the router does appear to be working (power, WLAN, and Internet lights are on), but they would be charging me nearly the cost of a new router to fix the problem.
Any advice would be appreciated!

Since you upgraded the Router WRT54GS with the latest firmware so once reset the Router and power cycle the whole network… Then connect the Modem with Linksys Router on the Internet Port and then connect any one computer to any one of the Ethernet port on the Router [Numbered – 1, 2, 3 and 4]… Let me know the RCN connection is a DSL connection or cable connection…
So if you have a DSL connection you can refer to this link:
http://www6.nohold.net/Cisco2/ukp.aspx?pid=93&login=1&vw=1&app=search&articleid=4020&userrole=Linksy...
So if you have a Cable Internet Connection you can refer to this link:
http://www6.nohold.net/Cisco2/ukp.aspx?pid=93&vw=1&articleid=3686
As far as the wireless is concern:
# Open up the browser and on the address bar type 192.168.1.1 that will open up the Router setup page…
# Then Click on wireless Tab create the Wireless Network Name SSID and select the channel to 6, 9, and 11… Click Save Settings...
# Then Click on Wireless Security sub tab and select the security mode and provide the password as per the requirement… Click Save Settings...
After doing the settings try to connect the preferred network on the wireless devices and check the connectivity….

Arris Cable Modem not working with WRT54G Router

I am at my wits end.Comcast just changed my old RCA cable modem for an Arris Telephony modem.(I had Comcast phone service added)The tech that did the install said the wireless G network was all up and running. (My 3 other computers and printer) Well lo and behold the network does not work at all. I only get internet through my wired computer and cannot access my router through 192.168.1.1 anymore.I tried powering down the router and modem by holding the reset for 30 seconds and unplugging them. Any help GREATLY appreciated!
Thanx!

ok man, good new and bad news. Good news, i know what ur goin through cause i have the exact same problem. Tried a new router too (wrt54g to no avail). Bad news i have no idea how to fix it. I've tried everything. Linksys tech support hasn't emailed back after their originaly fix which did nothing. Please PM me if you get any ideas. Ps Have you noticed that when the setup page times out you can't get an ip wirelessly. Also, my temporary fix is power cycling. Somtimes it works for a few days, or sometimes a few hours.
[Mod Note: Email address removed. Get in touch through PM for details.]
Message Edited by OnnagokorO on 09-25-2007 08:45 PM

Want to connect wrt54g to cable modem

I have a wrt54g v5, with firmware 1.02.5. I want to use my comcast cable modem. I found the walkthru on doing the mac clone. I did that, then the power cycling, then upgraded to the firmware version i listed. Still can't get it to work. When i go into the status of the router, my IP and subnet are still all zeros. Help!

After upgrading you need to reset the router and reconfigure the router.
1. Press and hold the reset button for 30 seconds.
2. Then, unplug the power keep holding down the reset button for
another 30 Seconds.
3. Plug back the power back in, and keep holding down the reset button
for 30 Seconds.
4. Release the reset button.
Reconfiguration for cable modem.
Access the setup page of the router by launching an
Browser and type on the address bar, 192.168.1.1 and press enter. When
it prompts for the username and password, leave the username field
empty and provide password as "admin" (Without quotes)
click on ok.
On the main setup page the ""Internet Connection Type"" should be
on ""Obtain IP Automatically - DHCP “. Click on the Save Settings
button.
Now click on the sub tab ""MAC address clone"".
- Click on enable
Click Clone & click save settings
Check WAN Ip on Status page of router ....
If getting Valid Ip .... try going online
If not ... power cycle for 4-5 minutes & then again check the WAN Ip address .....

WRT54G V6 strange problem with cable modem

I have a cable modem with Comcast Digital Voice. I have a WRT54G V6 with the latest firmware. After much discussion and troubleshooting on the phone with Linksys rep, I returned and swapped the router. No change to the problem. I've seen similar issues, but not exactly the same one, on this board. Here's the situation:
I have an XP computer connected via Ethernet directly to the router. I have 1 Mac Laptop (OSX) and 1 Thinkpad (XP) laptop that use the home network interimly via wireless. I use WEP, but no special filtering.
I can get everything set up fine, and all will work for some time. Like I've seen some other's say, about 30 - 90 minutes worth of online time, and the router seems to hang - BOTH wirless and wired. During this time, my wireless signal does not drop out. But I sudddenly cannot get to the internet.
What makes it especially odd is that my digital voice (VoIP) does NOT drop out, meaning my internet connection is still up (and the cable modem shows no signs of trouble - and a reset of the cable modem makes no difference by itself.
The only thing that fixes the situation is a hard restart of the router (meaning unplugging it and then plugging it back in).
The Linksys help folks had me do a complet reset of everything and then even had me change some parameters, including a change of channel, manual MTU, etc. Nada.... Then I changed the router to a new one... Same-o same-o.
I suppose the Cable Modem could have a bad ethernet port -but I read SO many things similar to this problem on the board that I doubt it.
And to think I dumped my NetGear!!! (It also had problems - that were associated with unstable wireless).
Any help is appreciated. It's a real pain.

One other thing... When it drops out, I cannot even get to the router admin page via my web browser and wired connection to the router. So perhaps this has something to do with DHCP server dieing?

Cable modem - wrt54gs - nothing

I can connect my pc directly to my cable modem and connect to the internet just fine; however, when I connect it to my wrt54gs I CAN connect to the router but CAN NOT connect to the internet! I tried to apply a static ip,gateway,etc instead of automatic configuration but that also did not solve my problem. I also tried to connect my netgear router (which I used successfully two days ago at a different location) and once again no success. I have Charter as my provider and have to use the router to allow more than one person to connect in my house. I have much router-setup experience but I am just stumped. Because my cable modem is supplying an ip,gateway,dns,etc, my router should pick something up; the router is just not getting those settings even when I manually input them via static config. No I also do not need a username or password. Anyone? Thanks, -Chuck

Many cable ISPs only allow a single internet connection at a time. To prevent a second simultaneous connection they remember the MAC address of the current device. Only that single MAC address can use the internet connection.
It depends on the ISP how to "reset" this to allow a different device to connect. Some possibilities are:
* call the ISP (necessary with a few ISPs).
* on the computer which has a successful connection through the modem directly, manually release the IP address using the "ipconfig /release" command line tool in Windows.
* power down the modem and then power it up when the router is connected.
* like the previous but you have to wait a few minutes/hours/a night.
* reset the modem and then connect the router.
I cannot tell you which of these methods will work. I find often, powering everything down for the night and then powering up the next morning with the router connected will do it. But it depends fully on the ISP and how they do it.
The other option is to use the MAC address clone function in the router. Connect to http://192.168.1.1/ The function should be a subtab on the main Setup tab. Clone the MAC address of the computer which successfully can connect directly through the modem. If you open the web interface http://192.168.1.1/ from that computer it should be enough to press the "clone this pc" button and then saving the settings on that page.
After that, the computer and the router use the same MAC address. That is no problem, because MAC addresses are only valid inside an ethernet LAN and the router will only change the MAC address on the WAN/internet port and not on the LAN side where the computer is connected to the router.
After you cloned the MAC address of the computer you should be able to use the router or the computer directly on the modem without any resetting.

WRT54GS v7.2 Resetting Cable Modems?

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