Cisco GSM 3G Setup

!
chat-script gsm "" "ATDT*99*1#" TIMEOUT 60 "CONNECT"
!
!
interface Cellular0/3/0
 ip address negotiated
 encapsulation ppp
 dialer in-band
 dialer pool-member 98
 ppp ipcp address accept
!
!
line 0/3/0
 script dialer gsm
 no exec
 speed 384000
!
!
interface Tunnel202
 ip address 10.202.80.89 255.255.240.0
 no ip redirects
 ip mtu 1440
 ip nhrp authentication cl20280
 ip nhrp map multicast dynamic
 ip nhrp map 10.202.80.1 10.202.240.2
 ip nhrp map multicast 10.202.240.2
 ip nhrp network-id 20280
 ip nhrp nhs 10.202.80.1
 ip ospf network point-to-point
 ip ospf cost 5500
 tunnel source Dialer1202
 tunnel mode gre multipoint
 tunnel key 0
!


#dialer-list 98 protocol ip permit
!
interface Dialer1202
 ip address negotiated
 ip virtual-reassembly
 encapsulation ppp
 dialer pool 98
 dialer remote-name 3G
 dialer idle-timeout 0
 dialer string gsm
 dialer-group 98
 no fair-queue
 no cdp enable
 !!!! ppp authentication chap optional
 ppp ipcp address accept
!
ip route 10.202.240.0 255.255.255.0 Dialer1202 permanent name 3G-Tunnel-Endpoint
ip route 10.202.240.2 255.255.255.255 Dialer1202 permanent name 3G-Tunnel-Endpoint
!

  debup chat
  debug ppp negotiation
  debug ppp event
  debug ppp error

!
track 1 interface Serial0/1/0 line-protocol
 delay up 180
pseudowire-class isgsm
 encapsulation l2tpv2
 ip local interface Cellular0/2/0
!
!         
interface Tunnel203
 ip address 10.202.96.143 255.255.240.0
 no ip redirects
 ip mtu 1440
 ip nhrp authentication cl20280
 ip nhrp map multicast dynamic
 ip nhrp map 10.202.96.1 10.202.240.3
 ip nhrp map multicast 10.202.240.2
 ip nhrp network-id 20280
 ip nhrp nhs 10.202.96.1
 ip ospf network point-to-point
 ip ospf cost 5500
 tunnel source Dialer1203
 tunnel mode gre multipoint
 tunnel key 0
!
!         
interface BRI0/0/0
 description ISDN 039 727 4904
 no ip address
 encapsulation ppp
 dialer pool-member 1
 isdn switch-type basic-net3
 isdn point-to-point-setup
 ppp authentication chap pap
!   
!         
interface Cellular0/2/0
 description GSM Link to IS
 ip address negotiated
 encapsulation ppp
 dialer in-band
 dialer pool-member 98
 ppp ipcp address accept
!
!         
interface Dialer1203
 ip address negotiated
 ip virtual-reassembly
 encapsulation ppp
 dialer pool 98
 dialer idle-timeout 0
 dialer string gsm
 dialer-group 98
 ppp authentication chap optional
 ppp ipcp address accept
 no fair-queue
 no cdp enable
! 

* Tunnel setup

interface Tunnel082
 ip unnumbered Cellular0/0/0
 tunnel source Cellular0/0/0
 tunnel destination 10.10.240.tunnelIP

 ip ospf demand-circuit
 ip mtu 1400

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CategoryCisco