!
　　version 11.1
　　service udp-small-servers
　　service tcp-small-servers
　　!
　　hostname R-Shangxi
　　!
　　enable secret 5 $1$8dRf$zx3r9.B9KC29faWZvqSpc.
　　enable password cisco
　　!
　　username R-Zonghang password 7 xxxxx
　　username xxxxx password 7 xxxxx
　　username xxxxx password 7 xxxxx
　　username xxxxx password 7 xxxxx
　　username xxxxx password 7 xxxxx
　　username xxxxx password 7 xxxxx
　　username xxxxx password 7 xxxxx
　　username xxxxx password 7 xxxxx
　　ip subnet-zero
　　chat-script DDR "" "ATDT\T" TIMEOUT 60 "CONNECT"
　　!
　　interface Ethernet0
　　ip address 172.21.193.1 255.255.255.0
　　ip ospf network non-broadcast
　　!
　　interface Serial0
　　ip address 172.31.15.128 255.255.224.0
　　no ip mroute-cache
　　encapsulation x25
　　no ip route-cache
　　x25 address 12514
　　x25 htc 16
　　x25 win 7
　　x25 wout 7
　　x25 map ip 172.31.5.1 10414 broadcast compress
　　x25 map ip 172.31.22.192 14414 broadcast compress
　　x25 map ip 172.31.16.1 12614 broadcast compress
　　x25 map ip 172.31.21.128 13614 broadcast compress
　　x25 map ip 172.31.16.128 12814 broadcast compress
　　x25 map ip 172.31.17.1 12914 broadcast compress
　　x25 map ip 172.31.3.1 6727 broadcast compress
　　!
　　interface Serial1
　　no ip address
　　no ip mroute-cache
　　shutdown
　　!
　　interface Async1
　　ip unnumbered Dialer1
　　no ip mroute-cache
　　encapsulation ppp
　　no ip route-cache
　　keepalive 10
　　async dynamic routing
　　async mode interactive
　　peer default ip address 172.21.193.247
　　dialer in-band
　　dialer idle-timeout 100
　　dialer enable-timeout 2
　　dialer rotary-group 1
　　pulse-time 1
　　!
　　interface Async2
　　ip unnumbered Dialer1
　　no ip mroute-cache
　　encapsulation ppp
　　no ip route-cache
　　keepalive 10
　　shutdown
　　async dynamic routing
　　async mode interactive
　　peer default ip address 172.21.193.248
　　dialer in-band
　　dialer idle-timeout 100
　　dialer enable-timeout 2
　　dialer rotary-group 1
　　!
　　interface Async3
　　ip unnumbered Dialer1
　　no ip mroute-cache
　　encapsulation ppp
　　no ip route-cache
　　keepalive 10
　　shutdown
　　async dynamic routing
　　async mode interactive
　　peer default ip address 172.21.193.249
　　dialer in-band
　　dialer idle-timeout 100
　　dialer enable-timeout 2
　　dialer rotary-group 1
　　pulse-time 1
　　!
　　interface Async4
　　ip unnumbered Dialer1
　　no ip mroute-cache
　　encapsulation ppp
　　no ip route-cache
　　keepalive 10
　　shutdown
　　async dynamic routing
　　async mode interactive
　　peer default ip address 172.21.193.250
　　dialer in-band
　　dialer idle-timeout 100
　　dialer enable-timeout 2
　　dialer rotary-group 1
　　!
　　interface Async5
　　ip unnumbered Dialer1
　　no ip mroute-cache
　　encapsulation ppp
　　no ip route-cache
　　keepalive 10
　　async dynamic routing
　　async mode interactive
　　peer default ip address 172.21.193.251
　　dialer in-band
　　dialer idle-timeout 100
　　dialer enable-timeout 2
　　dialer rotary-group 1
　　!
　　interface Async6
　　no ip address
　　no ip mroute-cache
　　encapsulation ppp
　　keepalive 10
　　shutdown
　　async dynamic routing
　　async mode interactive
　　peer default ip address 172.21.193.252
　　dialer in-band
　　dialer idle-timeout 100
　　dialer enable-timeout 2
　　dialer rotary-group 1
　　pulse-time 1
　　!
　　interface Async7
　　no ip address
　　no ip mroute-cache
　　encapsulation ppp
　　keepalive 10
　　shutdown
　　async dynamic routing
　　async mode interactive
　　peer default ip address 172.21.193.253
　　dialer in-band
　　dialer idle-timeout 100
　　dialer enable-timeout 2
　　dialer rotary-group 1
　　pulse-time 1
　　!
　　interface Async8
　　no ip address
　　no ip mroute-cache
　　encapsulation ppp
　　keepalive 10
　　shutdown
　　async dynamic routing
　　async mode interactive
　　peer default ip address 172.21.193.254
　　dialer in-band
　　dialer idle-timeout 100
　　dialer enable-timeout 2
　　dialer rotary-group 1
　　!
　　interface Dialer1
　　ip address 172.31.76.128 255.255.224.0
　　no ip mroute-cache
　　encapsulation ppp
　　no ip route-cache
　　no keepalive
　　dialer in-band
　　dialer idle-timeout 100
　　dialer enable-timeout 2
　　dialer map ip 172.31.64.1 name R-Zonghang broadcast
　　dialer map ip 172.31.66.1 name R-Shanxi broadcast
　　dialer map ip 172.31.66.1 name R-Shanxi broadcast
　　dialer map ip 172.31.77.128 name R-Ningxia broadcast
　　dialer map ip 172.31.77.128 name R-Ningxia broadcast
　　dialer map ip 172.31.77.1 name R-Gansu broadcast
　　dialer map ip 172.31.78.1 name R-Xinjiang broadcast
　　dialer map ip 172.31.82.128 name R-xian broadcast
　　dialer map ip 172.31.82.128 name R-xian broadcast
　　dialer map ip 172.31.83.192 name R-Bingtuan broadcast
　　dialer map ip 172.31.83.192 name R-Bingtuan broadcast
　　dialer-group 1
　　ppp authentication chap
　　!
　　router ospf 1
　　redistribute bgp 26
　　network 172.21.193.0 0.0.0.255 area 0
　　!
　　router bgp 26
　　network 172.21.193.0 mask 255.255.255.0
　　aggregate-address 172.21.192.0 255.255.192.0 summary-only
　　redistribute ospf 1
　　neighbor 172.31.3.1 remote-as 1
　　neighbor 172.31.3.1 next-hop-self
　　neighbor 172.31.5.1 remote-as 5
　　neighbor 172.31.5.1 next-hop-self
　　neighbor 172.31.16.1 remote-as 27
　　neighbor 172.31.16.1 next-hop-self
　　neighbor 172.31.16.128 remote-as 28
　　neighbor 172.31.16.128 next-hop-self
　　neighbor 172.31.17.1 remote-as 29
　　neighbor 172.31.17.1 next-hop-self
　　neighbor 172.31.21.128 remote-as 45
　　neighbor 172.31.21.128 next-hop-self
　　neighbor 172.31.22.192 remote-as 47
　　neighbor 172.31.22.192 next-hop-self
　　!
　　ip classless
　　ip route 172.0.0.0 255.0.0.0 172.31.64.1 180
　　ip route 172.16.192.0 255.255.192.0 172.31.66.1 180
　　ip route 172.21.192.0 255.255.192.0 172.21.193.2 180
　　ip route 172.22.0.0 255.255.240.0 172.31.77.1 180
　　ip route 172.22.16.0 255.255.248.0 172.31.77.1 180
　　ip route 172.22.24.0 255.255.248.0 172.31.77.128 180
　　ip route 172.22.32.0 255.255.240.0 172.31.77.128 180
　　ip route 172.22.48.0 255.255.240.0 172.31.78.1 180
　　ip route 172.22.64.0 255.255.248.0 172.31.78.1 180
　　ip route 172.23.176.0 255.255.240.0 172.31.82.128 180
　　ip route 172.23.192.0 255.255.248.0 172.31.82.128 180
　　ip route 172.24.48.0 255.255.240.0 172.31.83.192 180
　　access-list 101 deny ospf any any
　　access-list 101 deny tcp any any eq bgp
　　access-list 101 deny ip any host 255.255.255.255
　　access-list 101 deny ip host 255.255.255.255 any
　　access-list 101 permit ip any any
　　dialer-list 1 protocol ip list 101
　　!
　　line con 0
　　line 1 8
　　no activation-character
　　script dialer DDR
　　modem InOut
　　autocommand ppp
　　transport input all
　　stopbits 1
　　rxspeed 38400
　　txspeed 38400
　　flowcontrol hardware
　　line aux 0
　　transport input all
　　line vty 0 4
　　password cisco
　　login