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Assigning ASA a Public IP address

Posted on 2011-09-28
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Last Modified: 2012-06-21
Hi,

My manager has asked me to setup Cisco ASA Firewall at his home. He would like the IP address of BT infinity home hub to be assigned to the Cisco ASA's outside interface.

I have checked the BT Home hub web config and there is no way to bridge this connection. Does anyone know how I can get this public IP assigned to ASA's outisde interface?

Thanks
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Question by:Dan560
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djcapone earned 2000 total points
ID: 36719520
I'm not overly familiar with BT service's, however, from the little I know, I believe the homehub is actually a router itself which is why it cannot be put into bridge mode.  Most likely, "in front" of the homehub, you will find a "plain modem".  If you cannot the ASA directly to the modem and configure it for the correct authentication settings, it should assign the public IP to it.
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by:Dan560
ID: 36813519
Thanks my ASA supports PPPoE so it should technically work.

However my BTinternet PPPoE password is blank, and my ASA does not support blank passwords.

I get the following error when configuring it in ASDM -

PPPoE password cannot be empty
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by:djcapone
ID: 36817132

You probably need to contact the ISP to see if they will change that.  I do not think the ASA supports blank password.
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