This is what I have. Am I following this correctly?
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version 12.4
service timestamps debug datetime msec
service timestamps log datetime msec
no service password-encryption
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hostname 1812Router
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boot-start-marker
boot-end-marker
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logging buffered 51200 warnings
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no aaa new-model
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resource policy
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ip cef
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interface FastEthernet0
ip address 1.2.3.4 255.255.255.248
ip nat outside
ip virtual-reassembly
duplex auto
speed auto
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interface FastEthernet1
ip address dhcp
ip nat outside
ip virtual-reassembly
duplex auto
speed auto
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interface BRI0
no ip address
encapsulation hdlc
shutdown
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interface FastEthernet2
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interface FastEthernet3
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interface FastEthernet4
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interface FastEthernet5
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interface FastEthernet6
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interface FastEthernet7
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interface FastEthernet8
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interface FastEthernet9
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interface Vlan1
description LAN Interface
ip address 192.168.3.254 255.255.255.0
ip nat inside
ip virtual-reassembly
ip tcp adjust-mss 1452
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ip http server
ip http authentication local
ip http secure-server
ip http timeout-policy idle 60 life 86400 requests 10000
ip nat inside source route-map dhcp-nat interface FastEthernet1 overload
ip nat inside source route-map fixed-nat interface FastEthernet0 overload
ip nat inside source static tcp 192.168.3.175 80 1.2.3.4 80 route-map fixed-nat extendable
ip nat inside source static tcp 192.168.3.175 443 1.2.3.4 443 route-map fixed-nat extendable
ip nat inside source static tcp 192.168.3.203 80 1.2.3.5 80 route-map fixed-nat extendable
ip nat inside source static tcp 192.168.3.203 443 1.2.3.5 443 route-map fixed-nat extendable
ip nat inside source static tcp 192.168.3.1 25 1.2.3.6 25 route-map fixed-nat extendable
ip nat inside source static tcp 192.168.3.1 80 1.2.3.6 80 route-map fixed-nat extendable
ip nat inside source static tcp 192.168.3.1 443 1.2.3.6 443 route-map fixed-nat extendable
ip nat inside source static tcp 192.168.3.205 20 1.2.3.7 20 route-map fixed-nat extendable
ip nat inside source static tcp 192.168.3.205 21 1.2.3.7 21 route-map fixed-nat extendable
ip nat inside source static tcp 192.168.3.202 80 1.2.3.7 80 route-map fixed-nat extendable
ip nat inside source static tcp 192.168.3.202 443 1.2.3.7 443 route-map fixed-nat extendable
ip nat inside source static tcp 192.168.3.201 80 1.2.3.8 80 route-map fixed-nat extendable
ip nat inside source static tcp 192.168.3.201 443 1.2.3.8 443 route-map fixed-nat extendable
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access-list 110 permit ip 192.168.3.0 0.0.0.255 any
no cdp run
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route-map fixed-nat permit 10
match ip address 110
match interface FastEthernet0
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route-map dhcp-nat permit 10
match ip address 110
match interface FastEthernet1
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