Monitoring traffic
2007-12-25 6:19:00
we have a 512 kBit line to the internet and three Solaris servers
connected to the ISP-router. Each Solaris server has one
external/public interface/ipaddress and one internal interface/address.
One of the Solaris servers is the NAT gateway, router and DNS-server
for 20-30 Macs. This setup worked fine for years. Since a few weeks we
have extreme performance problems when accessing external URLs. I doubt
that the SF240 has any problem with routing the traffic of a 512 kBit
line even under high load (other services). My guess is that somebody
in the company is illegally downloading movies or the like. The
performance is optimal after 5 PM and before 9 AM so it must have to do
with usage.
Any idea how this can be tracked down? I would like to know which
internal machine (or process on the server) consumes all the bandwidth.
Thanks a lot!
Regards,
Andreas
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