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My fun network. Can anyone help me troubleshoot it?

I

imported_KuJaX

Platinum Member
Hello guys! I'll first describe the situation. I live on the mountain side, with my own private road. I cannot get DSL nor cable. I have a friend that lives about a mile down the mountain, of which he can get cable. So, the only way I could get "good" high speed internet, was to wirelessly connect to his connection. I have 3 computers at my place, and they have two.

Now the goods:
The cable for cable goes into a provided by comcast RCA cable modem. From there, I recently bought a Linksys BEFSR41 router. From the BEFSR41 router there are two cords which go to seperate computers at my friend's house. Another cord goes into a wireless antenna (to shoot to my house). My house has an antenna that gets the connection, and goes into a switch that I have. From the switch, there are 3 ethernet cords that go into 3 seperate computers, one of which is my main rig.

So hopefully that makes sense. The wireless equipment is not home wireless equipment, this stuff was expensive, and uses the 5.4ghz band and shoots more than 5 miles (even though we are only a little more than a mile away).

The problem:
I have been getting fantastic signals, and still continue to from the two pieces of wireless equipment mounted on the outside of our houses. Everyonce in a while our internet wouldn't work here, and I would have to call my friend up and have him unplug the cable modem, the router, and then plug the cable modem in, and then plug the router back in. After doing this, I would be totally operational (which is a problem in itself, it happens atleast once a week, sometimes twice a week). The main problem is that for some reason, my friend's computers have not been able to stay connected, while i've been totally fine and connected flawlessly.



If anyone can help us figure out the situation, it would be greatly appreciated. Recently my friend has been unplugging the router, and plugging the cord from the cable modem, directly into his computer, without letting me know. Hence, leaving me out in the dark, without any internet. This is very hard, because I do a lot of business and trade stocks online, and I cannot be out in the dark at ALL. He just wants to stay connected to MSN to talk to his Counter-Strike friends, and play Counter-Strike. Worst part is, I pay the FULL amount of the Comcast bill. Again, anyone that has any ideas, it would be greatly appreciated! I can provide more information if/when needed.
 
It seems a problem concerning the Internet connection and the Router.

Usually (I.e. not taking into consideration your special arrangement) I would suggest to a person to connect directly to the Modem and see if the problem persists.

If it does than it has to be taken with the ISP.

If it does not, then either the Router is Not configured correctly.

Link to: How to Fix Cable/DSL Internet authentication (password).

Or you should try another router.

The way you describe the situation (I.e. that your friend has unstable service through his network to begin with); there is a remote possibility that your friend's network is contributing to the story. If I were you, I would talk to the friend into getting two accounts with two modems. You would pay for your part and would use yours with the Wireless arrangement. This way you would be legit and in full control of your connection.

:sun:





 
JackMDS - Thanks a lot. I do not believe the modem is the problem, because when he connects directly into the modem, he can get on his precious MSN. The Linksys router is brand new. We use to run a netgear POS, and it would cut out all the time. I would be willing to splitting the account into two, but I don't know if comcast offers that service. I will definately look into it. Any other suggestions? 🙂
 
Well a bit of news:

I have recently plugged in a different router and still problems exist. With the BEFSR314, downloading like times out. Example: I just downloaded mozilla on my friends computer, it is 11mb and it stopped downloading at 5% done, restarted it (started at 5%) stopped at 18%, restarted it, went to 30%.... it took about 10 download times of "resumes" to download a 11mb file, with 3.0mb download connection. There is a problem there, and this is at my friends house, where the cable modem IS.

I then plugged in our old netgear router, and it downloaded the file fine, never had to resume it, but when I was pinging -t google.com, it timed out 3 or 4 times.

My friend's outlook doesn't work fully, unless he is plugged directly into the cable modem. He can SEND the e-mails just fine, but receiving the e-mails times out, regardless of which router is being used. However, I get my e-mail completely fine at my house, but I use thunderbird (??)

Any other suggestions peoples? Could it be the cable modem? BOTH routers "bad"? Incorrect settings in the router (of which I don't see any settings that would be causing this).
 
hey kujax what you should do is take a switch and put it directly on the cable modem and put your friends router on one of the ports and put your link on another port and then run it to your router the problem sounds like you have 2 routers in cascade and what can be happening is the dhcp server is handing out ip's and this is a problem with subnets cause the 192.168.1.1 from the linksys router is giving the 192.168.1.x to your router and your router is giving out 192.168.x.x to you maybe even try changing your switch and using a wireless bridge wet11 linksys
 
NEWS

Well there is some news. I got a new SB5100 and plugged it in and got it working with my Comcast. Downloads are not a problem, and either are time outs (like they were before, so i'm 99% sure there was definately something screwy with the RCA cable modem).

HOWEVER, the problem still remains that my friend cannot get his e-mail from OUTLOOK when plugged into the router. He can only get his e-mail if he is plugged DIRECTLY into the cable modem. It doesnt make a whole lot of sense to me. He sent SENT e-mail, while plugged into either way, but cannot successfully receive his e-mail if plugged into the router. His settings are

outbound: smtp.comcast.net
inbound: mail.(domain).com <-----(domain is his domain name, not domain )

pretty screwy isnt it? Can't get inbound mail if plugged into router, but can only if plugged directly into the cable modem. Anyone have any ideas why this would occur?
 
Go to a command prompt on his computer (when connected through the router) and type:

telnet mail.(domain).com 110

Do you get anything? If so, maybe Outlook is the problem. Also try using the IP instead of the domain name for the POP3 server in Outlook.
 
Originally posted by: Wizkid
Go to a command prompt on his computer (when connected through the router) and type:

telnet mail.(domain).com 110

Do you get anything? If so, maybe Outlook is the problem. Also try using the IP instead of the domain name for the POP3 server in Outlook.
Click to expand...

This keeps getting more and more interesting. Downloads are yet AGAIN a problem, and have just timed out on me at my friends house.

When i did "telnet mail.<domain>.com 110" it connected fine when plugged into the cable modem. IT ALSO CONNECTED FINE when plugged into the router. However, when I went into outlook, I couldn't receive the e-mails when plugged into the router, but COULD when plugged into the cable modem.

I bought the BEFSR314 BRAND NEW. I don't know about blaming the router just quite yet. Any other idea's/suggestions?
 
Well, I was on tech support with some Indian guy from Linksys. After resetting the router, all we did was went in and changed the MTU packet size to like 1280. That didn't work, so we did 1000. That didn't work, so he said he would transfer me to their "senior technical support". I waited on hold for 45 minutes and decided to hangup
 
About Outlook connecting when connected to the modem and not connecting to the router, I would mask in the router the MAC address of your friend's PC and unplug the router and the modem (power off/on) and connect your friend's PC back into the router, and try again with Outlook. Which in my opinion sucks, I use Eudora Lite (free version) and it's great. Also I would do what Nightserver suggested of installing a switch to split your network in two.

Good luck

Eltano
 
Originally posted by: nightserver
hey kujax what you should do is take a switch and put it directly on the cable modem and put your friends router on one of the ports and put your link on another port and then run it to your router the problem sounds like you have 2 routers in cascade and what can be happening is the dhcp server is handing out ip's and this is a problem with subnets cause the 192.168.1.1 from the linksys router is giving the 192.168.1.x to your router and your router is giving out 192.168.x.x to you maybe even try changing your switch and using a wireless bridge wet11 linksys
Click to expand...


hrmm..... I don't 100% fully understand what your trying to say, probably because I do not have two routers plugged in. It goes

cable modem > router > wireless radio to wireless radio > switch > computers

He just plugs directly into the router. There is only ONE router on the network, when I said I had another router, I was referring to testing to see if the problem exists if I switched out routers (still only having one router).
 
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