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Topic # 18137 29-Dec-2007 00:44
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I lurked around here and WiFi forums for a while before deciding to get a Linksys WRT54GS wireless router to connect to the brother in laws Telstraclear cable modem.
His daughter has just got an Acer Laptop (Vista Home Premium)and wants to be able to connect to the internet from her room. The cable modem is in another room by the main computer (XP).

The initial setup with the SET UP Wizard on the CD did not work nor did the manual connection method of trying to connect to the router address with firefox but many hours later  I found and downloaded EasyConnect from the Linksys site and followed instructions and it detected every thing and I managed to set up a wireless network with approrpriate security settings. Awesome. I could also access the Internet via an ethernet cable to the router from the main computer.

The laptop detected the  router wireless and connected  (after putting in the right  WEP) Fired up the browser and connected to the internet. Download some files and all was well for about 40mins. Then the internet connection was lost both at the laptop and main computer.

I had removed AVG from the main computer before the configuration as I read that  the router configuration may  be problematic with it installed.

It was reinstalled just before the connection broke but I am not sure how long before

Even resetting the router and following the exact same procedure I have not be able to get it working again.  It seem that the internet connection drops out just before the final cofiguration

I noticed that Easy Connect sets the main computer LAN to "Obtain an IP Address Automatically" which is different from the manual addresses etc  selection I had in before. I am not sure if the main computer was set this way before but unless it is then you can't connect to the internet when the modem is directly connected. I have the same Cable Modem and my adresses etc are manually configured.

I uninstalled AVG but it made no difference. I forgot to check the Windows Firewall connection but will do so tomorrow.

I would appreciate any other suggestions


Thanks



 

 

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  Reply # 102159 29-Dec-2007 09:56
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Do you have the ip address, gateway and dns server addresses as supplied by TCL for the connection.




Ross

 

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  Reply # 102170 29-Dec-2007 11:29
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Thanks for reply
 
The irony is I now have a connection from the laptop to the internet via wireless but the main computer won't connect.

I have the router configured as static with all the IP addresses and gateway and dns addresses supplied with TCl
I have DHCP server disabled in the router setup


I had to have the PC lan IP address set at 192.168.1.2 so I can access the router firmware. The router is at 192.168.1.1
The PC is connected with a cable to the router port

I cloned the MAC in the router firmware

I can't get to the internet via the PC

Thanks

 
 
 
 


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  Reply # 102171 29-Dec-2007 11:54
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So the PC has gateway address of 192.168.1.1 plus DNS address(es) also, either router address of 192.168.1.1 or TCL DNS addresses. Try TCL addresses if currently using router address for DNS.




Ross

 

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  Reply # 102175 29-Dec-2007 12:23
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I have nothing in the gateway for the PC just the IP I put in so I could get the browser to connect to the router address.


PC has IP address 192.168.1.2.  I had to put this in so I could get the PC browser to  connect to 192.168.1.1



I have the TCL DNS addresses in the PC config






 

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  Reply # 102185 29-Dec-2007 13:59
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You have to have a gateway address (being the address of the router) in the PC otherwise the PC can't find any addresses outside the local subnet.




Ross

 

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  Reply # 102195 29-Dec-2007 14:55
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I really appreciate the advice.

I will try putting the router address in the gateway

Here is my limited technical take on where I am

The router is connected to the  cable modem, The static address of the cable modem, TCL DNS addresses and TCL gateway address are in the router allowing connection to the internet via the router. I assume the MAC cloning was needed for the way that TCL use the MAC address for their modem

The laptop  is connected to the  router. The laptop said it was acquiring an IP address(I assume from the router) hence the laptop WLAN can connect to the internet.

THe PC can connect to the  router as I have  a router address -( one of the  4 routers ethernet  ports I assume ) listed in the IP address of the PC LAN.

I have the router DCHP disabled. Does it need to be enabled? I assume it allocates addresses from within the router net (subnet)

However as I don't have the router gateway address I can't get past the router itself.


As I said I will try the gateway change

Also would enabling DCHP in the router and changing the PC  to automatic  allocation of IP rather than manually putting in the router address work? i.e the PC would be connected to the router.

Thanks again. I am almost there I hope

 



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  Reply # 102200 29-Dec-2007 17:14
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Well I got both computers talking to the router and connecting to the Internet but it was a small victory

I did as I said and set the DCHP in the router to enable and the PC to automatic IP address and it acquired the address from the router and I was able to access the internet.

At the same time the laptop was able to be connected via the wireless to the router and access the Internet but connection to the Internet is patchy. You have to unplug the router and replug as its seems the connection with the cable modem falls over very fast although all the LEDs on the router are still lit.

I then put the router acquired IP address for the PC directly in the  LAN with router address as gateway and the TCL DNS and it worked but the same problem as very short contact time before it seems the internet is no longer available from the PC or Laptop

Would it be the cable modem excess ARP tripping out the router? There is still connection to the network just no connection to the Internet?

IS it worth contactiong TCL to check out the line and modem?

I am going to try the router on another cable modem in Kelburn. This one is in Berhampore

Thanks for all the ideas so far.



   

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  Reply # 102215 29-Dec-2007 22:38
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Not sure what made you get a WRT54GS but can I suggest you take it back from where you got it and get something else. Lots of people (including myself) have had issues with the WRT54 series for routers and Telstra cable.

From when I was having the issues I found nothing that fixed the internet connection from dropping out randomly.







Media centre PC - Case Silverstone LC16M with 2 X 80mm AcoustiFan DustPROOF, MOBO Gigabyte MA785GT-UD3H, CPU AMD X2 240 under volted, RAM 4 Gig DDR3 1033, HDD 120Gig System/512Gig data, Tuners 2 X Hauppauge HVR-3000, 1 X HVR-2200, Video Palit GT 220, Sound Realtek 886A HD (onboard), Optical LiteOn DH-401S Blue-ray using TotalMedia Theatre Power Corsair VX Series, 450W ATX PSU OS Windows 7 x64

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  Reply # 102232 30-Dec-2007 07:42
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Interesting fact that I never knew about until a colleague of mine told me.  TCL have some box internally that does a 6 hourly ICMP Ping to your IP address, if you for example if your firewall filteres ICMP Ping (pretty common thing to do).. you will get dropped from the internet until you next establish a connection...

Took him about 8 months to get to the bottom of that one...

That being said I have a Linksys WRT54GL running DD-WRT and it hasn't missed a beat ever....  I do get dropped from the internet, but that is when TCL is having problems, as per my above post.







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  Reply # 102281 30-Dec-2007 12:31
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Thanks for the comments

I got a WRT54G as I saw positive comments here from some people as to it working with TelstraClear modems. I may have misread the GL for G. 

I have tried it at Kelburn address and get the same problems. I will try a firmware upgrade to the latest version and see what happens.









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  Reply # 102282 30-Dec-2007 12:32
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I just realised my first post said WRT54GS

In fact it is a WRT54G


Sorry


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  Reply # 102296 30-Dec-2007 15:01
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The first WRT54G was brilliant (this is what i am using) however with each successive revision they have crippled it to try and stop people writing firmware for it that made it far more powerful then what you are paying for. The downside quite apart from the obvious is that even Linksys now don't seem to be able to write fully functioning software for it.

At one point I thought i had bricked my V1 WRT54G and brought a replacement. The replacement was a V7 which I foolishly at first thought would be better then the V1 which had always worked faultlessly for me.

What a let down. The V7 had the issue that you have. I tried all sorts including various open source firmwares and some were better but did not fix it. Also because it has so little memory you could only use the smallest software on it.

In the end in desperation I took it back and exchanged it for a V5 which they still had one of in stock. That worked without dropping out but was still crippled by lack of memory.

I had another crack at unbricking the V1 and much to my joy managed to. I am now a happy camper running full DD-WRTSmile







Media centre PC - Case Silverstone LC16M with 2 X 80mm AcoustiFan DustPROOF, MOBO Gigabyte MA785GT-UD3H, CPU AMD X2 240 under volted, RAM 4 Gig DDR3 1033, HDD 120Gig System/512Gig data, Tuners 2 X Hauppauge HVR-3000, 1 X HVR-2200, Video Palit GT 220, Sound Realtek 886A HD (onboard), Optical LiteOn DH-401S Blue-ray using TotalMedia Theatre Power Corsair VX Series, 450W ATX PSU OS Windows 7 x64



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  Reply # 102328 30-Dec-2007 20:17
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I am pretty sure the router is now bricked after trying an firmware upgrade and it getting corrupted

I have tried all the tricks on the Net apart from shorting out some pins as the instructions are for v5.

I can ping it it at 192.168.1.1 but it responds very slowly - get about a 80% data loss

I have tried tftp to try and flash it back to life using a firmware  image but it times out.

Blast down $200 but on the other hand I have learnt more about networks and my LAN than I knew three days ago!!!


Here was the problem I was trying to solve

TCL Cable modem in one room connected to a PC
Person in other room with new laptop wants to access the broad band preferably without wires crossing floor

Solutions

1 Setup wireless network so laptop can use cable modem. Use wireless router connected to TCL cable modem

PLUS no wires no extra data modem charges
CON didn't work with router purchased. Bricked router. Maybe get a better router? Wireless modem????


2 Get another cable modem installed in the other room so laptop can connect to it. 
PLUS good bandwith, independent access
CONS have to pay for another net access when user with PC hardly uses bandwidth anyway


3 Shift existing cable in to laptop room

PLUS Laptop will work
CONS No access to PC

4 ??????????????????????????


Thanks for all who commented





   

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  Reply # 102354 31-Dec-2007 06:41
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It's pretty easy to de-brick a WRT54G.  Lots of instructions on the net on how to do it.

If it's a V5 then there is great intructions on the DD-WRT site on how to upgrade from the VXWorks firmware to the DD-WRT Micro / Mini... Personally I think the GL is the way to go as it has the Flash ram / mainboard ram to do what you want to do.

And they are only $150 from Ascent, if you baught the first box off there, try and get the standard Linksys firmware back on it, and pleade with them to let you pay the extra $4 to upgrade to a GL.

That's what I would do.





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  Reply # 102356 31-Dec-2007 06:46
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Don't write off the router off just yet. Suggest using the method of shorting the pins. Also give it a few goes. I had given up on mine but using the shorted pins and giving it a few goes did the trick. Think it was on the 4rd or 5th attempt that it finaly took the mini image.

Can you not run a long network cable through the roof or floor as an option? However still think wireless is your answer.







Media centre PC - Case Silverstone LC16M with 2 X 80mm AcoustiFan DustPROOF, MOBO Gigabyte MA785GT-UD3H, CPU AMD X2 240 under volted, RAM 4 Gig DDR3 1033, HDD 120Gig System/512Gig data, Tuners 2 X Hauppauge HVR-3000, 1 X HVR-2200, Video Palit GT 220, Sound Realtek 886A HD (onboard), Optical LiteOn DH-401S Blue-ray using TotalMedia Theatre Power Corsair VX Series, 450W ATX PSU OS Windows 7 x64

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