Still Unsolved Networking Problem

My friend is trying to broadcast a live event using Windows Media Encoder 9.0.  They are running Windows XP Pro 1a and have Verizon DSL.  They use Windows to connect to the DSL ( not Verizon software).  However, I can not connect to them no matter what.  It is not a problem with Windows Media Encoder because I have broadcast using Windows Media Encoder 9.0 in the same way with Verizon DSL as well.

Now, the connection string that Windows Media Encoder gives for them is http://192.168.1.XXX/1121.  Their ip address viewable from the internet however, is different.  My question is, does Verizon use a firewall/router which is causing this problem?  Because I have a Linksys WiFi router and my IP is also 192.168.1.XXX.

If I do not go through my WiFI router however, my IP address is not like theirs ( 192.168.1.XXX ).  Mine isn't filtered perhaps?  I did get Verizon much earlier then they did, and I believe it was a business plan, so is it possible that it is the DSL that is preventing the connections?

Is there anyway around this?
abstractionzAsked:
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NetworkArchitekCommented:
Hi abstractionz,
they probably haven't set up port forwarding for their server. Are they behind a router? If so what kind?

Cheers!
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abstractionzAuthor Commented:
They do not own a router.  I think the problem is the Verizon DSL.
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NetworkArchitekCommented:
Nah. If it works fine on their local lan then they are having an issue with the ports or a firewall is blocking that traffic. Verizon doesn't have a policy to block live event traffic. Even if they did, you could simply change the port that the Live Event is utilizing and make it work.
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abstractionzAuthor Commented:
When they try to connect to themself using their ip address that is visible from the internet they can't connect.  Could it be Windows Internet Connection Firewall? ( not Service Pack 2)
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pseudocyberCommented:
From a command line, run netstat -an.  Is the  port on the server (1121) open?
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stevenlewisCommented:
the fact that their ip address is
Now, the connection string that Windows Media Encoder gives for them is http://192.168.1.XXX/1121
tells us that the modem they are using has a built in router (the 192.168.x.x is a private, non routable address range
If they go to a prompt and type
iopconfig /all and get that ip address (192.168.x.x) then they need to figure out how to forward the port thru the modem/router (port 1121)
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jabiiiCommented:
Stevenlewis hit it on the head,

your first obstacle is to over come the non routable ip address ie you need to find a real address you can connect to him with. get to his router forward that specific traffic internaly to his comp from yours.

have either of you try to manage the router?

non routable in that "internet routers" won't route the traffic becaue that ip space is designed for internal networks, not internet.
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abstractionzAuthor Commented:
Yes, it makes sense that the modem has a built in router.  But how can they forward the port through the modem/router though?  I have a Wifi router and there is specific software for doing that.
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NetworkArchitekCommented:
Oh, so there is a router now. Good now that everyone has just repeated what I said ... lol ... Ok, what does the dsl plug into on their end? What is the name of the box?
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abstractionzAuthor Commented:
plugs into a pci nic card.  

name of the computer is 'box'
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abstractionzAuthor Commented:
also, I didn't know that some of these DSL modems double as a router.  
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stevenlewisCommented:
what make/model is the modem?
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stevenlewisCommented:
NetworkArchitek
You can tell the modem is a router, they are getting a  private ip
192.168.x.x
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NetworkArchitekCommented:
Well I knew all along the modem was a router. Is this a Westell modem, a Cayman/Netopia, or what? What we are trying to get to is to figure out what interface the router uses so that we can open port 1121 or whatever it is that this Media Encoder deal uses. What is the default gateway on their computer when you do a "ipconfig" ?
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abstractionzAuthor Commented:
It is a Westell modem, I will get back to you on the model and the default gateway.
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NetworkArchitekCommented:
its a Westell? Ok, the default gateway is probably 192,168.254 .. Tell them to open a web browser and go to that address. If it pops up you want to go to Expert Mode and then NAT ... Well, let  us know if you get that far
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abstractionzAuthor Commented:
Westell Model 2200

They were able to open the browser with the default gateway 192.168.1.1

WHat should I look for / change
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abstractionzAuthor Commented:
I found the user guide for it here:

http://help.stargate.net/download/docs/Westell2200_userguide.pdf

I checked out the section on port range forwarding.  So I should enter 1121 to something, and then TCP, or UDP?  There isn't an option for both.  
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NetworkArchitekCommented:
You'd have to enter it twice to get both. TCP should be fine, make sure you forward it to their computer and that their computer has a static LAN address.
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abstractionzAuthor Commented:
Ok I got it working.  

I defined a custom service and forwarded ports 1121 and 1122.

How come now, their dsl connects immediately upon starting up the comp, and their ip address doesnt change.

Also, would it be a good idea to configure the firewall?  Or just have them use a software firewall?
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stevenlewisCommented:
>>How come now, their dsl connects immediately upon starting up the comp, and their ip address doesnt change.
If  you set a static ip, then it won't change, if using dhcp, then the lease hasn't expired, wo it will renew the same address

>>Also, would it be a good idea to configure the firewall?  Or just have them use a software firewall
The firewall is already configured (that is why you had so much trouble)
you just opened a couple of ports.
Having said that, I use a hardware firewall, and zone alarm (software firewall) ZA blocks outgoing request also, but keep in mind if you install a software firewall, you will need to configure it also to allow pcanywhere
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abstractionzAuthor Commented:
why is it that whenever i uninstall a software firewall i lose my internet connection until its reinstalled
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abstractionzAuthor Commented:
why does it connect automatically sometimes, while other times the connection fails.  doesnt connect automatically, and when manually connected, nothing works
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stevenlewisCommented:
>>why is it that whenever i uninstall a software firewall i lose my internet connection until its reinstalled
Not sure, but probably it takes out needed dll's or registry entries

>>why does it connect automatically sometimes, while other times the connection fails.  doesnt connect automatically, and when manually connected, nothing works
again not sure, but run some tests
when it connects correctly go to a prompt and type
ipconfig /all
make note of the results

then when it doesn't connect do the same and make note of the results, and comapre them
It could also be trouble with the connection to the dslam (the switch at the phone co)
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stevenlewisCommented:
Thanks!
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