MITM attack slow internet connection

hello!
When I do a setup for a MITM attack with a rogue AP and a wifi bridge between the at0 (rogue) and the eth0, and I connect any client to my rogue AP the client connects well and i'm able to go on internet with it. wireshark sniffs all the traffic on at0.
However the internet connection goes really slow and i mean REALLLLLLYYYYYY slow.(but it works)
Is this normal. I've tried to do the setup with my kali computer and my backtrack computer and the results are the same.

rogue AC is setup with airbase-ng (# airbase-ng --essid rogue -c 1 -a aa:aa:aa:aa:aa:aa mon0 )
the bridge is setup with brctl (# brctl addbr wifi-bridge, #brctl addif eth0,#brctl addif at0.......)

ok the problem is fixed by my new script .... i Post it in the forum but not approved yet

you can test my new script
sourceforge.net/projects/hardtrack/

will check it when i have the time next week, thanks

Quote:

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Originally Posted by lawrencethepentester

you can test my new script
sourceforge.net/projects/hardtrack/

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i got the same issue .... connection to my fake AP work fine and Internet access given but veeeery slow....
i used the manual bridging method and also some scripts like easy-creds ....

wired eth0 connection and alfa awus036nh for wlan0/mon0/at0
dhcp via isc-dhcp

any ideas ?