! Listing 8.26: Router External #2 with link to the ISP serving 101.0.0.0/24, using static routing and NAT ! !Copyright (C) 2001 by Vincent C Jones. All Rights Reserved. version 11.2 ! hostname External_2 ! ip subnet-zero ip nat pool net-101 101.0.0.128 101.0.0.143 netmask 255.255.255.240 ip nat inside source list 1 pool net-101 overload ! interface Ethernet0 description No Man's Land LAN #1 ip address 100.0.0.34 255.255.255.224 ip access-group 193 in no ip redirects no ip directed-broadcast ip nat inside standby 1 priority 90 standby 1 preempt standby 1 authentication External standby 1 ip 100.0.0.35 ! interface Ethernet1 description No Man's Land LAN #2 ip address 101.0.0.33 255.255.255.224 ip access-group 194 in no ip redirects no ip directed-broadcast ip nat inside standby 2 priority 110 standby 2 track Serial0 30 standby 2 preempt standby 2 authentication External standby 2 ip 101.0.0.35 ! interface Serial0 description Link to the Internet via ISP serving 101.0.0.0/24 ip address 120.0.0.1 255.255.255.252 ip access-group 191 in ip access-group 192 out no ip unreachables no ip directed-broadcast ip nat outside bandwidth 1544 ! ! ip route 0.0.0.0 0.0.0.0 Serial0 ip route 0.0.0.0 0.0.0.0 101.0.0.34 200 ip route 101.0.0.0 255.255.255.0 Null0 ip route 101.0.0.8 255.255.255.248 101.0.0.46 ip route 101.0.0.16 255.255.255.240 101.0.0.46 ip route 101.0.0.64 255.255.255.192 101.0.0.46 ip route 101.0.0.128 255.255.255.240 100.0.0.46 ip route 110.0.0.0 255.255.255.252 101.0.0.34 ! access-list 1 permit 100.0.0.0 0.0.0.127 ! end