! Listing 7.17: Spoke router with unified ISDN and async dial backup
!
!Copyright (C) 2001 by Vincent C Jones. All Rights Reserved.


version 11.0
!
hostname Spoke123
!
username AsyncOnlyHub password Secret123A
username ISDNonlyHub password Secret123B
username ISDNorAsyncHub password Secret123C
!
isdn switch-type basic-ni1
chat-script courier ABORT ERROR ABORT "NO " ABORT BUSY "" "at" "" "at&f" OK "atl1m1&b1&h1&r2&c1&d3&m4&k1s0=2" OK "at dt \T" TIMEOUT 90 CONNECT \c
!
interface Loopback0
 description Network Management
 ip address 10.101.23.1 255.255.255.255
!
interface Ethernet0
 description Spoke 123 LAN
 ip address 10.1.23.1 255.255.255.0
!
interface Serial0
 no ip address
 bandwidth 56
 encapsulation frame-relay
!
interface Serial0.21 point-to-point
 ip address 10.101.23.13 255.255.255.252
 bandwidth 56
 delay 2000
 frame-relay interface-dlci 21 broadcast
!
interface BRI0
 ip unnumbered Loopback0
 encapsulation ppp
 no ip route-cache
 bandwidth 56
 delay 5000
 no keepalive
 isdn spid1 21255501230000
 isdn spid2 21255510100000
 dialer idle-timeout 170
! Dialer maps for testing ISDN link at this site
 dialer map ip 10.0.0.3 name ISDNonlyHub speed 56 broadcast 18005551111
 dialer map ip 10.0.0.3 name ISDNorAsyncHub speed 56 broadcast 18005552222
 dialer map ip 10.0.0.3 name ISDNonlyHub speed 56 broadcast 18005553333
 dialer map ip 10.0.0.3 name ISDNorAsyncHub speed 56 broadcast 18005554444
! Dialer maps for backup protection
 dialer map ip 10.0.0.10 name ISDNonlyHub speed 56 broadcast 18005551111
 dialer map ip 10.0.0.10 name ISDNorAsyncHub speed 56 broadcast 18005552222
 dialer map ip 10.0.0.10 name ISDNonlyHub speed 56 broadcast 18005553333
 dialer map ip 10.0.0.10 name ISDNorAsyncHub speed 56 broadcast 18005554444
 dialer hold-queue 10
 dialer-group 1
 ppp authentication chap
!
interface Async1
 ip unnumbered Loopback0
 encapsulation ppp
 no ip route-cache
 bandwidth 30
 delay 15000
 async default routing
 async mode interactive
 dialer in-band
 dialer idle-timeout 300
! Dialer maps for testing Asynchronous links
 dialer map ip 10.0.0.5 name ISDNorAsyncHub modem-script courier broadcast 18005552222
 dialer map ip 10.0.0.5 name ISDNorAsyncHub modem-script courier broadcast 18005554444
 dialer map ip 10.0.0.5 name AsyncOnlyHub modem-script courier broadcast 18005559999
 dialer map ip 10.0.0.5 name AsyncOnlyHub modem-script courier broadcast 18005550000
! Dialer maps actually used to support communications
 dialer map ip 10.0.0.10 name ISDNorAsyncHub modem-script courier broadcast 18005552222
 dialer map ip 10.0.0.10 name ISDNorAsyncHub modem-script courier broadcast 18005554444
 dialer map ip 10.0.0.10 name AsyncOnlyHub modem-script courier broadcast 18005559999
 dialer map ip 10.0.0.10 name AsyncOnlyHub modem-script courier broadcast 18005550000
 dialer hold-queue 10 timeout 45
 dialer-group 1
 ppp authentication chap
!
router eigrp 1
 network 10.0.0.0
 distribute-list 4 in Async1
 distribute-list 2 in BRI0
 no auto-summary
!
ip host TestISDN 10.0.0.3
ip host TestAsync 10.0.0.5
ip classless
ip route 0.0.0.0 0.0.0.0 10.0.0.1 200  ! Use frame if available
ip route 0.0.0.0 0.0.0.0 10.0.0.2 204  ! Otherwise, use ISDN if up
ip route 0.0.0.0 0.0.0.0 10.0.0.4 207  ! Otherwise, use Async if up
ip route 0.0.0.0 0.0.0.0 10.0.0.10 210 ! Otherwise, get a backup link up
ip route 10.0.0.3 255.255.255.255 BRI0
ip route 10.0.0.5 255.255.255.255 Async1
ip route 10.0.0.10 255.255.255.255 BRI0
ip route 10.0.0.10 255.255.255.255 Async1
!
logging trap debugging
logging 10.0.130.50
access-list 2 permit 0.0.0.0
access-list 2 permit 10.0.0.10
access-list 2 permit 10.0.0.2 0.0.0.1
access-list 2 deny   any
access-list 4 permit 0.0.0.0
access-list 4 permit 10.0.0.10
access-list 4 permit 10.0.0.4 0.0.0.1
access-list 4 deny   any
access-list 102 deny   eigrp any any
access-list 102 permit ip any any
!
dialer-list 1 protocol ip list 102
!
line aux 0
 password NetMgmtSecret
 login
 modem InOut
 transport input all
 rxspeed 38400
 txspeed 38400
 flowcontrol hardware
!
end