Hi Nathan, > We still seem to be having problems registering with the Bridge Server > in Argonne. It seems to work okay on our normal campus network (which > isn't multicast enabled) but doesn't seem to work on our KAREN network > (multicast enabled).
I suspect it's a broken router that isn't able to tolerate TCP window scaling. On your linux machine, turn off TCP window scaling: sysctl -w net.ipv4.tcp_window_scaling=0 If it works, make it permanent by adding the following line to /etc/sysctl.conf: net.ipv4.tcp_window_scaling=0 Cheers, Doug
