Thank You For all your help, got it working , thank you for all the support :)
it was all about time . Its take around 10-15 min to get a ip from comcast with bounded connection in my case with MB8600, and yes definitely rebooting the modem/pfsense box after each change is helped . I tried everything , reinstalled pfsense , tried the dev version... finally almost give it up , installed back 2.4.5p1 , rebooted everything , created the bonded ports in pf sense , set everything to DHCP, had my dinner , when i got back to my system...whoa ... my setup is connected to the internet.
Now its time to play with those firewall settings :)
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