Whats the difference between IP aliases and PROXY arp.
The context of my question is this:
my router (to internet) and firwall are on the same public network x.y.z.0/255.255.255.0
I want machines in my DMZ to be seen as having network addresses on this public network.
e.g.
for an http server in the DMZ (192.168.3.60) to be seen as public x.y.z.60
As I understand it packets coming in from the router to network x.y.z.0/255.255.255.0 looking for machine x.y.z.60 won't find the machine with this IP address (since it does not exist) unless I set up the red interface of the firewall to act as a proxy ARP for x.y.z.60 (is this correct?)
But now I read in the ASL help that there is something called IP aliases where a NIC can have more than one IP address, how is this different from proxy ARP.
e.g. would giving the red card an IP alias of x.y.z.60 be the same as proxy ARP?
thanks for any help,
Dave.
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