Cisco 3G GSM + GRE Config

• Cisco/Gsm3G/Old2012 Older config with dialer, dialer not needed

• 3G Cisco router config
  • Details:
    • 2 - WWW GW IP's with gre tunnels
    • Use subnet 10.202.191.x and 10.202.192.x for tunnel termination. .1 IS HQ GW

    !
    chat-script gsm "" "ATD*99*1#" TIMEOUT 60 CONNECT
    !
    !
    interface Cellular0/3/0
     ip address negotiated
     no ip virtual-reassembly in
     encapsulation ppp
     dialer in-band
     dialer idle-timeout 0
     dialer string gsm
     dialer-group 1
     async mode interactive
     ppp authentication chap callin
     ppp chap hostname dummy
     ppp chap password 0 dummy 
     ppp ipcp dns request
     ppp ipcp address accept
    !
    ! ##Dual Antenna HWIC##
    interface Cellular0/3/1
     no ip address
     encapsulation ppp
    !
    !
    interface Tunnel191
     description 3G-GRE
     ip address 10.202.191.143 255.255.255.0
     ip nhrp group 191
     ip nhrp map multicast 10.202.191.1
     ip nhrp network-id 191
     ip nhrp nhs 10.202.191.1
     ip nhrp registration no-unique
     ip ospf network broadcast
     ip ospf flood-reduction
     tunnel source Cellular0/3/0
     tunnel destination {{IP-EXT-NAT-WWW1}}
    !
    interface Tunnel192
     description 3G-GRE-IS
     ip address 10.202.192.143 255.255.255.0
     ip nhrp group 192
     ip nhrp map multicast 10.202.192.1
     ip nhrp network-id 192
     ip nhrp nhs 10.202.192.1
     ip nhrp registration no-unique
     ip ospf network broadcast
     ip ospf flood-reduction
     tunnel source Cellular0/3/0
     tunnel destination {{IP-EXT-NAT-WWW2}}
    !
    ip route {{IP-EXT-NAT-WWW1}} 255.255.255.255 Cellular0/3/0
    ip route {{IP-EXT-NAT-WWW2}} 255.255.255.255 Cellular0/3/0
    !
    dialer-list 98 protocol ip permit
    !
    line 0/3/0
     script dialer gsm
     no exec
     rxspeed 7200000
     txspeed 2000000
    !
    router ospf 1
     network 10.202.191.0 0.0.0.255 area 0
     network 10.202.192.0 0.0.0.255 area 0
    !

...

CategoryCisco