Re: [GnomeMeeting-list] NAT Problem over VPN



Hello Randall,

Le dim, 04/07/2004 à 13:52 -0500, Randall Smith a écrit :
> Damien,
> 
> I appreciate your help.  I found the route add command for Windows 
> (suprise) and got everything working.  It works suprisingly well over 
> the ssh-ppp tunnel.  I say suprisingly b/c its udp over tcp.  Whoda thunk?
> 

Good news!
Yes it is normal it works, I'm often using GM with Cipe which is UDP
too :)


> Randall
> 
> Damien Sandras wrote:
> > Le dim, 04/07/2004 à 11:56 -0500, Randall Smith a écrit :
> > 
> > [...]
> > 
> > 
> >>1. PC1 can ping PC3 and make TCP connections such as ssh.
> >>2. PC3 CANNOT connect to PC1 because I don't know how to alter the 
> >>routing tables on Win2K and wouldn't be suprised if I couldn't.
> >>
> > 
> > 
> > Then GM won't work. If PC3 can not connect to PC1, then PC3's GM won't
> > be able to open the video and audio channels for transmission from PC3
> > to PC1. Same for the H.245 channel which is not tunneled when using GM
> > with NEtmeeting.
> > 
> > 
> >>PC1(GM) calls PC3(NM).  PC3 answers and the call is connected.  Video 
> >>does NOT show on PC3 (I don't know about audio), but video option in 
> >>toolbar ungrays.  No video or audio on PC1.  Ethreal shows that TCP 
> >>traffic is OK and UDP from PC1 -> PC3 is OK, but UDP from PC3 -> PC1 is 
> >>sent to 192.168.3.2 which PC3 CANNOT RESOLVE!  PC3 should send its UDP 
> >>packets through 10.7.74.145, but it appears that that NAT option in GM 
> >>is not working (probably b/c its not a public IP).  So how can I make 
> > 
> > 
> > Indeed, NAT translation only works with private IPs, it doesn't make
> > sense for private to private calls.
> > 
> > 
> >>this work.  Also, why does PC3 not show video from PC1 when I can see 
> >>the UDP traffic arriving?
> >>
> > 
> > 
> > If PC3 can not connect to PC1, I would be very suprised that the traffic
> > arrives.
> > 
> > 
> >>PC1 calls PC4.  PC4 answers.  PC4 shows video.  PC4 has no video or 
> >>sound card (just used to test) and sends no udp packets out.
> >>
> >>If you can figure this out and you live in New Orleans, I'll buy you 
> >>lunch :)
> >>
> > 
> > 
> > 
> > 
> >>Randall
> >>
> >>
> >>_______________________________________________
> >>GnomeMeeting-list mailing list
> >>GnomeMeeting-list gnome org
> >>http://mail.gnome.org/mailman/listinfo/gnomemeeting-list
> >>
> >>
> >>------------------------------------------------------------------------
> >>
> >>_______________________________________________
> >>GnomeMeeting-list mailing list
> >>GnomeMeeting-list gnome org
> >>http://mail.gnome.org/mailman/listinfo/gnomemeeting-list
> _______________________________________________
> GnomeMeeting-list mailing list
> GnomeMeeting-list gnome org
> http://mail.gnome.org/mailman/listinfo/gnomemeeting-list
-- 
 _      Damien Sandras
(o-     GnomeMeeting: http://www.gnomemeeting.org/
//\     FOSDEM      : http://www.fosdem.org
v_/_    H.323 phone : callto:ils.seconix.com/dsandras seconix com

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