Subnetting public IPs

We have a point to point circuit going from our cyber center to our central office. We have an Asa at the cyber center that nats our public ips to our inside network to our central office. Does any one know how we can subnet our public network so we can physically have one of our public ips sitting at our central office on a seperate router?
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dufffConnect With a Mentor Author Commented:
This is what I did to make it work:

 vlan 102

 name New_VPN

interface Vlan102

description New VPN Network

ip address

router eigrp 100



name new_vpn

access-list TO_FW<--FROM_OUTSIDE extended permit ip any host new_vpn
static (inside,outside) new_vpn new_vpn netmask

Now i have a public IP at one of my point to point locations

KETTANEHConnect With a Mentor Commented:
the ISP will give you a subnet of public IPs. you have to connect the main router to  a switch (public switch) and from this switch you can put any IP of your public (even you can use a subnet of that range)
dosdet2Connect With a Mentor Commented:
You may want to use a one to one nat from the internet facing router (with the public IP) to your central office router (with an internal IP) for added protection.  

For most applications that can be setup to act like the public IP is sitting on that router without having the exposure of having a public IP there.  Just a thought.
dufffAuthor Commented:
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