For the question, suppose the following configuration exists (partial config):
interface serial 0/0/0
ip address 10.10.10.1 255.255.255.0
ip nat outside
.
.
.
interface fa0/0
ip address 10.109.10.1 255.255.255.0
ip nat inside
.
.
.
ip access-list extended NAT_TRAFFIC
permit ip 10.109.10.0 0.0.0.255 10.201.104.0 0.0.0.15
ip nat pool MYOVERLOADPOOL 192.168.80.109 192.168.80.109 prefix-length 24
ip nat inside source list NAT_TRAFFIC pool MYOVERLOADPOOL overload
Should this work? The router takes the commands (without warning) but I'm wondering if it's really permissible to assign an address in the "ip nat pool" command that isn't part of the network range of the serial interface that is acting as the outside interface. When I ping from a device located off the inside interface (10.109.10.5 in this case) to a destination on the 10.201.104.0/28 network I do not see any NAT activity (nothing in 'show ip nat translations').
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