04-10-2006 12:43 PM - edited 03-09-2019 02:34 PM
what is the difference between using subnet mask and not using subnet mask in PAT for global statement.i think subnet mask is not at all required if we use PAT...
04-10-2006 11:04 PM
With PAT is doesn't matter, I personally never put it in. It's used with a NAT pool of addresses so that the PIX can ascertain the broadcast and subnet addresses in the pool and it won't allocate those.
For example, having:
global (outside) 10.1.1.0 10.1.1.255 netmask 255.255.255.0
in your configuration, the PIX will NOT use the .0 and the .255 address because it knows they're the subnet and broadcast addresses within that subnet.
04-11-2006 09:42 AM
what if it's global (outside) 10.1.1.0 netmask 255.255.255.0
04-11-2006 10:57 AM
and if it's
global (outside) 10.1.1.252 10.1.1.253 netmask 255.255.255.254 ???
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