🚀 go-pugleaf

Greetings to all,

I am experiencing one of the most strangest network problems I have ever 
encountered. I have set up bnetd server on Debian server, which is 
connected via Thomson ST780 router to ADSL2 Internet connection. My ISP in 
Iskon, just to make it more easier to explain latter what happens.

Now here comes the problem (both with Star/Warcraft). There are 3 
computers that connect to that bnetd server locally, without router. It 
functions perfectly. So to test it more thoroughly, I turned on my laptop 
and connected via 3G (HSDPA, direct Internet connection without firewall) 
connection. Now here's the catch. When local computer creates a game, only 
local computers can join but my laptop, connected to other ISP via HDSPA, 
cannot, because "latency of game creator is to high", as Battlenet server 
claims (red bar is fully populated). However, that is quite odd, since 
/con command shows 1-3 ms latency for locally connected computers and ~
300-400 ms for HSDPA laptop and there are 1 or 2 green bars to every 
players name. Now here's the catch -> when I create game from laptop, that 
is on HSDPA connection, everybody can join?! This "rule" applyes for 
Warcraft and Starcraft! Latency is minimal and everything works smoothly. 
That was quite awkward.

So I asked my friend that also has Iskon ISP to try to create a game - and 
the same thing happened - nobody could join. When I created a game form 
the laptop, however, all local computers and my friend also could join.

To recap, I have:

A server connected to router (Iskon)
3 computers in LAN (also connected to router)
1 laptop with HSDPA (ISP is VIP, but it doesn't matter)
A friend with the same ISP as mine (Iskon)

Ping in "lobby room" ("place where you choose whether to join or create a 
game", got the info with "/con" command) for local computers is ~1-3 ms, 
for my "Iskon friend" ~30-50 ms and HSDPA laptop ~280-400 ms.

Case a) any local computer creates a game - only local computers can join 
- HSDPA and Iskon friend are unable to join because of "high latency from 
game creator"
Case b) Iskon friend creates a game - no one can join, same reason "high 
latency from game creator"
Case c) game is created from laptop - and we live and play happily ever 
after

I opened ports 6112 and 4000 (both UDP and TCP) for clients in local 
network and server, turned off Windows firewall, nothing helped. It simply 
makes no sense to me. So far, I had no problems with my ISP nor with the 
router. Port forwarding for SSH, HTTP, FTP, torrents and such things work 
flawlessly. I simply fail to see how could something like this happen.

Any ideas would be appreciated!

-- 
Everything will be okay
in the end.
If it's not okay
it's not the end!