Router: Secretariat
======================
hostname Secretariat
!
!
username BTCL password 0 cisco
!
!
!
interface FastEthernet0/0
 ip address 192.168.10.1 255.255.255.0
 ip nat inside
 no shutdown
!
interface FastEthernet1/0
 ip address 192.168.11.1 255.255.255.0
 ip nat inside
 no shutdown
!
interface Serial2/0
 ip address 200.200.200.17 255.255.255.240
 encapsulation ppp
 ppp authentication pap
 ppp pap sent-username Secretariat password 0 cisco
 ip nat outside
 no shutdown
!
ip nat pool SNAT 200.200.200.20 200.200.200.30 netmask 255.255.255.240
ip nat inside source list 1 pool SNAT overload
ip nat inside source static 192.168.10.254 200.200.200.19 
ip classless
ip route 0.0.0.0 0.0.0.0 Serial2/0 
!
access-list 1 permit 192.168.10.0 0.0.1.255
!
ip dhcp excluded-address 192.168.10.1 192.168.10.10
ip dhcp excluded-address 192.168.11.1 192.168.11.10
ip dhcp excluded-address 192.168.10.254
!
ip dhcp pool Cabinet
 network 192.168.10.0 255.255.255.0
 default-router 192.168.10.1
ip dhcp pool Establishment
 network 192.168.11.0 255.255.255.0
 default-router 192.168.11.1
!
end

------------------------------------------------
Router: BTCL
============
!
hostname BTCL
!
username Secretariat password 0 cisco
!
interface Serial2/0
 ip address 200.200.200.18 255.255.255.240
 encapsulation ppp
 ppp authentication pap
 ppp pap sent-username BTCL password 0 cisco
 ip access-group FILTER in
 clock rate 56000
 no shutdown
!
interface Serial3/0
 no ip address
 encapsulation frame-relay
 no shutdown
!
interface Serial3/0.102 point-to-point
 ip address 11.1.1.1 255.255.255.252
 frame-relay interface-dlci 102
!
interface Serial3/0.103 point-to-point
 ip address 11.2.2.1 255.255.255.252
 frame-relay interface-dlci 103
!
router eigrp 1
 network 11.1.1.0 0.0.0.3
 network 11.2.2.0 0.0.0.3
 network 200.200.200.16 0.0.0.15
 no auto-summary
!
ip access-list extended FILTER
 permit ip 200.200.200.16 0.0.0.15 any
!
end
------------------------------------------------
Router: Google
==============
!
hostname Google
!
interface FastEthernet0/0
 ip address 173.16.20.1 255.255.255.0
 no shutdown
!
interface Serial2/0
 no ip address
 encapsulation frame-relay
 no shutdown
!
interface Serial2/0.201 point-to-point
 ip address 11.1.1.2 255.255.255.252
 frame-relay interface-dlci 201
!
router eigrp 1
 network 11.1.1.0 0.0.0.3
 network 173.16.20.0 0.0.0.255
 no auto-summary
!
end

------------------------------------------------
Router: RRouter
===============
!
hostname RRouter
!
interface FastEthernet0/0
 ip address 174.16.20.1 255.255.255.0
 no shutdown 
!
interface Serial2/0
 no ip address
 encapsulation frame-relay
 no shutdown 
!
interface Serial2/0.301 point-to-point
 ip address 11.2.2.2 255.255.255.252
 frame-relay interface-dlci 301
!
router eigrp 1
 network 11.2.2.0 0.0.0.3
 network 174.16.20.0 0.0.0.255
 no auto-summary
!
end
------------------------------------------------