! Listing 6.20: Simple LAN segmentation resistant example--Router 1 ! !Copyright (C) 2001 by Vincent C Jones. All Rights Reserved. version 11.0 ! hostname Router1 ! interface Ethernet0 ip address 10.1.0.253 255.255.255.0 no ip redirects standby 1 priority 110 standby 1 preempt standby 1 authentication mumble standby 1 ip 10.1.0.1 standby 2 priority 90 standby 2 preempt standby 2 authentication mumble standby 2 ip 10.1.0.2 ! interface Serial 0 description Link to the outside world ip address 10.255.1.6 255.255.255.252 ! router eigrp 1 redistribute static route-map Local network 10.0.0.0 no auto-summary ! ip classless ! All destinations on the local LAN ip route 10.1.0.0 255.255.240.0 Ethernet0 ! LAN subnetworks attached to this router ip route 10.1.1.0 255.255.255.0 Ethernet0 ! Routes to avoid one-armed routing ip route 10.1.2.0 255.255.255.128 Ethernet0 ip route 10.1.2.128 255.255.255.128 Ethernet0 ip route 10.1.3.0 255.255.255.128 Ethernet0 ip route 10.1.3.128 255.255.255.128 Ethernet0 ! ! Static routes denied redistribution access-list 20 permit 10.1.2.0 0.0.0.255 access-list 20 permit 10.1.3.0 0.0.0.255 ! Static routes redistributed with low metrics access-list 21 permit 10.1.1.0 0.0.0.255 ! Static routes redistributed with high metrics access-list 22 permit 10.1.0.0 0.0.15.255 ! ! Control redistribution of static routes into EIGRP route-map Local deny 25 match ip address 20 ! route-map Local permit 30 match ip address 21 set metric 10000 100 255 1 1500 ! route-map Local permit 35 match ip address 22 set metric 10000 10000 255 1 1500 ! end