[nzlug] How fast is XDMCP over Ethernet supposed to be?

[Johann Schoonees]

Seeing the related thread "Remote sessions via xdmcp" made me wonder 
if my set-up is working properly.  I find the graphics update quite 
sluggish, even just repositioning a simple xterm window on the screen. 
Scrolling a long web page in Firefox causes large jumps.

I have a newish 3.2GHz Pentium4 as the applications server: it runs 
FC3 with gdm configured to present a (graphical) login screen via XDMCP.

I have an old 500MHz Celeron as the thin(ish) client: it runs FC3 with 
gdm configured to run an X server looking for a remote host.  When I 
log in I am effectively working on the remote host.

The two are connected via a 10/100Mb/s NIC on the old thin client, 
about 30m of CAT-5 Ethernet cable between the garage and the house, 
D-link DSL-504G router, 0.5m CAT-5 Ethernet cable, and gigabit network 
adapter on the newer compute server's motherboard.

Perhaps the network speed has dropped back to 10Mb/s?  How could I 
tell if it has?  Or are there other parameters to tweak?

Otherwise I might have to look at the more efficient options mentioned 
by Nick and Michal.

Johann

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