[AG-TECH] Fwd: Access Grid

[Sheryl Hurley]

Hi everyone,
I thought I'd send this to the AG Tech list, to see if anyone has any 
helpful suggestions for the Digital Pueblo people.  I am not sure what 
their problem is.

Thanks,
Sheryl

Begin forwarded message:

> From: Glenn A Huval <magius at unm.edu>
>


> Hello everyone,
>
> As Hue already mentioned, we are going to be heading up to SFCC early 
> on Wednesday (2:30 roughly).  Sheryl has volunteered to come with us 
> to Santa Fe and work with CY (who will be over at HPC in Albuquerque).
>
> So here's the setup, for those who don't know....  The QuickBridge is 
> being ran at HPC.  Both Brad (at NHCC) and I (at SFCC) are connecting 
> to the QuickBridge through ports 50372 and 50374.  Brad gets Audio and 
> Video from my site and anyone else connected to the bridge, and I get 
> nothing (I do see myself, though I'm not sure of the significance of 
> that).
>
> Now we think we can solve this by forwarding ports 50372 and 50374 
> (UDP and TCP) to some static IP address that we can access from the 
> Media Lab with the laptop.  I know the people working on the firewall 
> said they already opened the ports... but since all the IP addresses 
> at SFCC are local only, there is no way to communicate through those 
> ports from the outside, so by open that must mean for connections 
> initiated from inside.  I'm still unsure about the network setup there 
> at SFCC though, I was told it's a firewall, but I get the impression 
> it's actually a NAT router or some kind of NAT setup... if it is a NAT 
> then we definitely have to forward the ports.  I know normal programs 
> can get through a NAT no problem (most requests initiated from inside 
> are let through), but I think the QuickBridge.
>
> The one thing we aren't sure of is whether or not the QuickBridge is 
> trying to send the video and audio back to the SFCC router/firewall, 
> or back to the local IP (192.168.xxx.xxx).  If it's going to the 
> router, then forwarding should work... if it isn't I think we are 
> SOL.  This is what we should find out on Wednesday....
>
> Maybe we can have those ports forwarded by Wednesday 2:30?  Or perhaps 
> an explanation of the network if SFCC isn't running a NAT at all?
>
> Glenn >=O
>
> P.S. For those aware, if I got something wrong about the AG or the 
> possible solution please e-mail something out.  Hate to be giving 
> faulty info.
>
-Sheryl Hurley
-Multimedia Development Specialist
-HPC at UNM
-505.277.5460
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