Hi Alex, VNC doesn't send packets at all - it runs over TCP.
Cheers, Wez @ RealVNC Ltd. > -----Original Message----- > From: [EMAIL PROTECTED] > [mailto:[EMAIL PROTECTED] On Behalf Of Alex Pelts > Sent: 25 April 2006 19:14 > To: James Weatherall > Cc: 'S B'; [email protected] > Subject: Re: VNC freezing on Win XP Media Center Edition SP2 > > The VPN has MTU larger than MTU of physical network. Lots of > packets are > dropped as somehow VNC sends rather large packets. I had this problem > myself until I lowered MTU to below of the physical network MTU. > > The symptoms were: > 1. screen would render half way and then stop. > 2. screen updates were extremely slow > 3. Connection would go for some short time and then would be dropped. > > I am not sure why MTU is causing that effect. I think that > VPN packets > can not be fragmented so they are dropped and there is a large packet > loss. I am not sure how VNC reacts to large packet loss. > > Regards, > Alex > > > James Weatherall wrote: > > Hi Alex, > > > > Can you provide any more information on why that causes the > effect SB is > > seeing? > > > > Cheers, > > > > Wez @ RealVNC Ltd. > > > > > >> -----Original Message----- > >> From: [EMAIL PROTECTED] > >> [mailto:[EMAIL PROTECTED] On Behalf Of Alex Pelts > >> Sent: 25 April 2006 07:07 > >> To: S B > >> Cc: [email protected] > >> Subject: Re: VNC freezing on Win XP Media Center Edition SP2 > >> > >> MTU is too large on your vpn connection. > >> > >> Regards, > >> Alex > >> > >> > >> S B wrote: > >>> Hi, > >>> > >>> I just bought a new computer from Dell (Intel dual core > >> 2.8GHz, 1GB RAM > >>> running Win XP Media Center w/ SP2), and downloaded VNC 4.4 > >> viewer on it. > >>> When I VNC to my work machine, VNC viewer freezes > >> intermittently. Some times > >>> immediately after logging in and some times after 10-15 > >> minutes of work. Did > >>> anyone here faced a similar problem? How do I fix this problem. > >>> > >>> Thanks, > >>> - SB > >>> _______________________________________________ > >>> VNC-List mailing list > >>> [email protected] > >>> To remove yourself from the list visit: > >>> http://www.realvnc.com/mailman/listinfo/vnc-list > >> _______________________________________________ > >> VNC-List mailing list > >> [email protected] > >> To remove yourself from the list visit: > >> http://www.realvnc.com/mailman/listinfo/vnc-list > > _______________________________________________ > > VNC-List mailing list > > [email protected] > > To remove yourself from the list visit: > > http://www.realvnc.com/mailman/listinfo/vnc-list > _______________________________________________ > VNC-List mailing list > [email protected] > To remove yourself from the list visit: > http://www.realvnc.com/mailman/listinfo/vnc-list _______________________________________________ VNC-List mailing list [email protected] To remove yourself from the list visit: http://www.realvnc.com/mailman/listinfo/vnc-list
