Check your ip_conntrack table with
cat /proc/net/ip_conntrack | wc -l
The max number of connections is set in /proc/sys/net/ipv4/ip_conntrack_max
compare those 2 numbers and see if raising it helps
You can increase it by:
echo "some_number" > /proc/sys/net/ipv4/ip_conntrack_max
I'm assuming based on your e-mail subject that you've got IPTables up. For troubleshooting purposes I'd shut down the tables until you get things working.
iptables -F
should flush the settings.
This is getting interesting..
I have one LTSP machine running now. I removed the iptables entry.
I show 14213 connections open out of 16384 possible.
What surprises me is that I have only one LTSP machine and one server on the entire LAN network. How is it possible that I could have so many connections when I'm the only one logged in?
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