[PC-BSD Support] Network Problem

[Marcel Dudek]

I have in my 7.0.1 PcBSD Network Problem:
I have a static Local Address x.x.x.10. My Router is gate: x.x.x.1

Only ping of local x.x.x.1 works. Ping of router don't work - data are lost.

But, when I start in console as root tcpdump - i eth0, network is fully 
OK - everything works well.

If I cancel tcpdump process, network is unreachable again.
Firewall is disabled. NetCard is some Realtek Gigabit card.

Do has anyone idea? Should i submit any listings/Infos?

Thanx,
Marcel Dudek