Mine

version 12.1
no service pad
service timestamps debug datetime msec localtime show-timezone
service timestamps log datetime msec localtime show-timezone
no service password-encryption
no service dhcp
!
hostname someone-ll
!
logging buffered 4096 debugging
no logging console
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!
!
!
!
memory-size iomem 25
clock timezone CST -6
clock summer-time CDT recurring
ip subnet-zero
no ip source-route
no ip finger
no ip domain-lookup
ip domain-name someone.com
!
no ip bootp server
isdn voice-call-failure 0
!
!
controller T1 1/0
 framing esf
 linecode b8zs
 channel-group 0 timeslots 1-24 speed 64
!
controller T1 1/1
 framing esf
 linecode b8zs
 channel-group 0 timeslots 1-24 speed 64
!
!
!
!
interface Loopback0
 ip address 1.2.3.114 255.255.255.240 secondary
 ip address 1.2.3.116 255.255.255.240 secondary
 ip address 1.2.3.121 255.255.255.240 secondary
 ip address 1.2.3.117 255.255.255.240 secondary
 ip address 1.2.3.126 255.255.255.240
 ip nat outside
!
interface Ethernet0/0
 description Ethernet to Someone Lan
 ip address 192.168.1.1 255.255.255.0
 ip nat inside
 full-duplex
!
interface Ethernet0/1
 no ip address
 no ip redirects
 ip nat inside
 shutdown
 full-duplex
!
interface Serial1/0:0
 description T1 to SupraNet Colo
 ip address 172.16.0.2 255.255.255.252
 ip nat outside
 encapsulation ppp
 no fair-queue
!
interface Serial1/1:0
 no ip address
 shutdown
!
ip nat inside source list 101 interface Loopback0 overload
ip nat inside source static 192.168.1.50 1.2.3.114
ip nat inside source static 192.168.1.51 1.2.3.116
ip nat inside source static tcp 192.168.1.48 1723 1.2.3.121 1723 extendable
ip nat inside source static tcp 192.168.1.52 20 1.2.3.117 20 extendable
ip nat inside source static tcp 192.168.1.52 21 1.2.3.117 21 extendable
ip nat inside source static tcp 192.168.1.52 5500 1.2.3.117 5500 extendable
ip nat inside source static tcp 192.168.1.52 5501 1.2.3.117 5501 extendable
ip nat inside source static tcp 192.168.1.52 5502 1.2.3.117 5502 extendable
ip nat inside source static tcp 192.168.1.52 5503 1.2.3.117 5503 extendable
ip nat inside source static tcp 192.168.1.52 5504 1.2.3.117 5504 extendable
ip nat inside source static tcp 192.168.1.52 5505 1.2.3.117 5505 extendable
ip nat inside source static tcp 192.168.1.52 5506 1.2.3.117 5506 extendable
ip nat inside source static tcp 192.168.1.52 5507 1.2.3.117 5507 extendable
ip nat inside source static tcp 192.168.1.52 5508 1.2.3.117 5508 extendable
ip nat inside source static tcp 192.168.1.52 5509 1.2.3.117 5509 extendable
ip nat inside source static tcp 192.168.1.52 5510 1.2.3.117 5510 extendable
ip classless
ip route 0.0.0.0 0.0.0.0 Serial1/0:0
no ip http server
!
!

access-list 1 permit 1.2.1.15
access-list 1 permit 1.2.8.18
access-list 1 permit 192.168.0.0 0.0.255.255
access-list 5 permit 1.2.1.15
access-list 5 permit 1.2.1.0 0.0.0.31
access-list 5 permit 1.2.14.16 0.0.0.15
access-list 101 permit ip 192.168.1.0 0.0.0.255 any
snmp-server community public RO 5