SAMPLE CONFIGURATION: Frame Relay Unnumbered IP and IPX Routing with Async DDR Backup  
--------------------------
+++++++++++{Central Router -- Chicago}++++++++++++
Current configuration:
!
version 11.0
service udp-small-servers
service tcp-small-servers
!
hostname Chicago
!
enable password cisco
!
username SanFrancisco password cisco
username NewYork password cisco
chat-script dialnum "" "atdt\T" TIMEOUT 60 CONNECT \c
chat-script rstusr "" "at&fs0=1e0&r2&d2&c1&b1&h1&m0&k0" "OK"
!
ipx routing 0000.0c4e.29ac
!
interface Ethernet0
 ip address 192.100.100.1 255.255.255.0
 ipx network 1
!
interface Serial0
 no ip address
 encapsulation frame-relay
 frame-relay lmi-type ansi
!
interface Serial0.1 point-to-point
 description connection to San Francisco
 ip unnumbered e0
 ipx network 100
 frame-relay interface-dlci 16 broadcast
!
interface Serial0.2 point-to-point
 description connection to New York
 ip unnumbered e0
 ipx network 101
 frame-relay interface-dlci 17 broadcast
!
interface Serial1
 no ip address
 shutdown
!
interface Async1
 description Backup interface for San Francisco Frame Relay
 ip address 10.1.1.1 255.255.255.0
 ipx network 150
 encapsulation PPP
 async mode dedicated
 async dynamic routing
 dialer idle-timeout 240
 dialer wait-for-carrier-time 60
 dialer map ip 10.1.1.2 name SanFrancisco modem-script dialnum broadcast 14085551212
 dialer map ipx 150.0000.0c4e.29ad name SanFrancisco modem-script dialnum broadcast 14085551212
 ppp authentication chap
 dialer-group 1
!
interface Async2
 description Backup interface for New York Frame Relay
 ip address 10.2.1.1 255.255.255.0
 ipx network 151
 encapsulation ppp
 async mode dedicated
 async dynamic routing
 dialer idle-timeout 240
 dialer wait-for-carrier-time 60
 dialer map ip 10.2.1.2 name NewYork modem-script dialnum broadcast 14085551213
 dialer map ipx 151.0000.0c4e.29ae name NewYork modem-script dialnum broadcast 14085551213
 ppp authentication chap
 dialer-group 1
!
router igrp 1
 network 192.100.100.0
!
ip route 192.150.150.0 255.255.255.0 10.1.1.2 150
ip route 192.200.200.0 255.255.255.0 10.2.1.2 150
ipx route 200 150.0000.0c4e.29ad floating-static
ipx route 300 151.0000.0c4e.29ae floating-static
ipx sap 4 Friscoserver 200.0000.1234.5678  451 2
ipx sap 4 Yorkserver 300.0000.8765.4321  451 2
!
access-list 101 deny igrp 0.0.0.0 255.255.255.255 0.0.0.0 255.255.255.255
access-list 101 permit ip 0.0.0.0 255.255.255.255 0.0.0.0 255.255.255.255
access-list 900 deny  0 FFFFFFFF 0 FFFFFFFF 457
access-list 900 deny  1 FFFFFFFF 453 FFFFFFFF 453
access-list 900 deny  4 FFFFFFFF 452 FFFFFFFF 452
access-list 900 permit -1 FFFFFFFF 0 FFFFFFFF 0
access-list 900 deny  1 FFFFFFFF 0 FFFFFFFF 0
!
dialer-list 1 list 101
dialer-list 1 list 900
!
line con 0
line aux 0
 transport input all
line 1 2
 modem InOut
 speed 115200
 script reset rstusr
 transport input all
 flowcontrol hardware
line vty 0 4
 password telnet
!
end
++++++++++++{Remote Router - San Francisco}+++++++++++++

Current configuration:
!
version 11.0
service udp-small-servers
service tcp-small-servers
!
hostname SanFrancisco
!
enable password cisco
!
username Chicago password cisco
chat-script rstusr "" "at&fs0=1e0&r2&d2&c1&b1&h1&m0&k0" "OK"
!
ipx routing 0000.0c4e.29ad
!
interface Ethernet0
 ip address 192.150.150.1 255.255.255.0
 ipx network 200
!
interface Serial0
 no ip address
 encapsulation frame-relay
 frame-relay lmi-type ansi
!
interface Serial0.1
 description connection to Chicago
 ip unnumbered e0
 ipx network 100
 frame-relay interface-dlci 16 broadcast
!
interface Serial1
 no ip address
 shutdown
!
interface Async1
 description Backup interface to Chicago Frame Relay
 ip address 10.1.1.2 255.255.255.0
 ipx network 150
 encapsulation ppp
 async mode dedicated
 async dynamic routing
 dialer idle-timeout 240
 dialer map ip 10.1.1.1 name Chicago broadcast
 dialer map ipx 150.0000.0c4e.29ac name Chicago broadcast
 ppp authentication chap
 dialer-group 1
!
router igrp 1
 network 192.150.150.0
!
ip route 0.0.0.0 0.0.0.0 10.1.1.1 150
ipx route 1 150.0000.0c4e.29ac floating-static
ipx route 300 150.0000.0c4e.29ac floating-static
ipx sap 4 Chiserver 1.0000.ABCD.1234  451 2
ipx sap 4 Yorkserver 300.0000.8765.4321  451 3
!
access-list 101 deny igrp 0.0.0.0 255.255.255.255 0.0.0.0 255.255.255.255
access-list 101 permit ip 0.0.0.0 255.255.255.255 0.0.0.0 255.255.255.255
access-list 900 deny  0 FFFFFFFF 0 FFFFFFFF 457
access-list 900 deny  1 FFFFFFFF 453 FFFFFFFF 453
access-list 900 deny  4 FFFFFFFF 452 FFFFFFFF 452
access-list 900 permit -1 FFFFFFFF 0 FFFFFFFF 0
access-list 900 deny  1 FFFFFFFF 0 FFFFFFFF 0
!
dialer-list 1 list 101
dialer-list 1 list 900
!
line con 0
line aux 0
 transport input all
line 1
 modem InOut
 speed 115200
 script reset rstusr
 transport input all
 flowcontrol hardware
line vty 0 4
 password telnet
!
end

++++++++++++{Remote Router - New York}++++++++++++++

Current configuration:
!
version 11.0
service udp-small-servers
service tcp-small-servers
!
hostname NewYork
!
enable password cisco
!
username Chicago password cisco
chat-script rstusr "" "at&fs0=1e0&r2&d2&c1&b1&h1&m0&k0" "OK"
!
ipx routing 0000.0c4e.29ae
!
interface Ethernet0
 ip address 192.200.200.1 255.255.255.0
 ipx network 300
!
interface Serial0
 no ip address
 encapsulation frame-relay
 frame-relay lmi-type ansi
!
interface Serial0.1
 description connection to Chicago
 ip unnumbered e0
 ipx network 101
 frame-relay interface-dlci 16 broadcast
!
interface Serial1
 no ip address
 shutdown
!
interface Async1
 description Backup interface to Chicago Frame Relay
 ip address 10.2.1.2 255.255.255.0
 ipx network 151
 encapsulation ppp
 async mode dedicated
 async dynamic routing
 dialer idle-timeout 240
dialer map ip 10.2.1.1 name Chicago broadcast
 dialer map ipx 151.0000.0c4e.29ac name Chicago broadcast
 ppp authentication chap
 dialer-group 1
!
router igrp 1
 network 192.200.200.0
!
ip route 0.0.0.0 0.0.0.0 10.2.1.1 150
ipx route 1 151.0000.0c4e.29ac floating-static
ipx route 200 151.0000.0c4e.29ac floating-static
ipx sap 4 Chiserver 1.0000.ABCD.1234  451 2
ipx sap 4 Friscoserver 200.0000.1234.5678  451 3
!
access-list 101 deny igrp 0.0.0.0 255.255.255.255 0.0.0.0 255.255.255.255
access-list 101 permit ip 0.0.0.0 255.255.255.255 0.0.0.0 255.255.255.255
access-list 900 deny  0 FFFFFFFF 0 FFFFFFFF 457
access-list 900 deny  1 FFFFFFFF 453 FFFFFFFF 453
access-list 900 deny  4 FFFFFFFF 452 FFFFFFFF 452
access-list 900 permit -1 FFFFFFFF 0 FFFFFFFF 0
access-list 900 deny  1 FFFFFFFF 0 FFFFFFFF 0
!
dialer-list 1 list 101
dialer-list 1 list 900
!
line con 0
line aux 0
 transport input all
line 1
 modem InOut
 speed 115200
 script reset rstusr
 transport input all
 flowcontrol hardware
line vty 0 4
 password telnet
!
end