asa 5505 bridged mode

I am on site and having an issue connecting to the ISP through my asa5505. in the setup configuration it states.
Switch Configuration

NOTE: The configuration listed in this email is based on customer equipment that is connecting via Layer 2 device ("bridged").
Can my asa do bridged mode? I tried but they give me a
LAN IP gateway IP and subnet. If i enter the information as a static IP in my computer all works fine. but the asa will not allow me to set the default outside gateway. (or at least i may not know the command. Any help would be greatly appreciated.
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You set "bridge mode" on the dsl/cable modem so that it passes the IP on to your ASA. The only thing you should need to do would be to change the outside IP on your ASA 5505 to the  public IP.

configure terminal
 ASA5505(config)# interface Vlan 2
 ASA5505(config-if)# nameif outside
 ASA5505(config-if)# security-level 0
 ASA5505(config-if)# ip address x.x.x.x x.x.x.x
 ASA5505(config-if)# no shut
  ASA5505(config-if)# exit
Assign Ethernet 0/0 to Vlan 2
interface eth 0/0
 switchport access vlan 2

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