Ettercap issue

[TIapko]

Hi,
now I'm trying to do basic arp poisoning with ettercap but it doesn't works...
The following video I've watching :
YouTube - ‪BackTrack 4 Man In The Middle Attack‬‎

I do all the steps, TARGET 1 is my home gateway router(TP - Link) with IP 192.168.1.1, TARGET 2 is my other PC with IP 192.168.1.11, Backtrack 4 is running on third PC with 192.168.1.33 IP (i don't think this matter), but when i start mitm attack also and sniffing target PC loose its connections to(in this case to google) so in this situation i'm not able to sniff any passwords...

Could some one help me to resolve this problem?

P.S. Victim OS is Windows 7 Ultimate with disabled firewalls, no external firewalls are installed also on victims machine.

[Archangel-Amael]

Check the ettercap forums. This is a covered topic there.
Ettercap :: Index
They are the ettercap experts.

[sickness]

Looses connection means ? the victim does not have internet connection anymore ?
If that's the case you wound want to change the etter.conf file.