[pfSense] IP Alias -vs- Proxy ARP for NAT

[Tim Hogan]

I am setting up my firewall to do 1:1 NAT with a block of public IP 
addresses.  I have found several posts about setting up 1:1 NAT and some 
of them say to use Proxy ARP when creating the Virtual IP and others say 
to use IP Alias.  Can someone full explain the difference between the 
two and offer an opinion as to which would be better to use?

Regards
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