Cisco ggsn Configuration

GGSN configuration is an important part of Cisco router configuration. What are the specific steps? Please refer to the following article.

Version 12.0:
No service pad
Service timestamps debug uptime
Service timestamps log uptime
No service password-encryption
Service gprs ggsn
!
Hostname c7206-4
!
Aaa new-model
Aaa authentication ppp default radius
Aaa authorization network default radius
Enable password mypass
!
Ip subnet-zero
Ip domain-name maid
Ip name-server 99.100.0.2
Ip dhcp excluded-address 60.0.0.1
!
! Local IP address pool
Ip dhcp pool 1
Network 60.0.0.0 255.255.255.0
!
Ip address-pool dhcp-proxy-client
Ip dhcp-server 60.0.0.1
Ip dhcp-server 99.100.0.3
!
Interface Loopback0
Ip address 60.0.0.1 255.0.0.0
No ip directed-broadcast
No ip route-cache
No ip mroute-cache
!
Interface Tunnel0
Ip address 97.0.0.1 255.0.0.0
No ip directed-broadcast
Ip mtu 1476
Tunnel source 4.0.0.1
Tunnel destination 131.108.164.19
!
! Interface to communicate with Virtual Template on SGSN
Interface FastEthernet0/0
Ip address 35.0.0.2 255.0.0.0
Ip helper-address 99.100.0.3
No ip directed-broadcast
No ip route-cache
No ip mroute-cache
No keepalive
!
! Interface to communicate with the PDN
Interface FastEthernet1/0
Ip address 4.0.0.1 255.0.0.0
No ip directed-broadcast
No ip route-cache
No ip mroute-cache
!
! Interface to TFTP server
Interface Ethernet2/0
Ip address 99.102.0.54 255.255.0.0
No ip directed-broadcast
No ip route-cache
No ip mroute-cache
!
!
! Virtual Template configuration
Interface virtual-template 1
Ip address 10.10.10.1 255.255.255.0
No ip directed-broadcast
Encapsulation
Gprs access-point-list abc
Ip classless
!
! Route for the virtual template on the SGSN
Ip route 1.1.1.1 255.255.255.255 FastEthernet0/0
Access-list 101 deny ip host 4.0.0.2 host 2.0.0.1
Dialer-list 1 protocol ip permit
Snmp-server community public RW
!
!
! Global DHCP server, charging server, and RADIUS server information
Gprs default dhcp-server 99.100.0.3
Gprs default charging-gateway 99.100.0.3 99.100.0.2
Gprs charging server-switch-timer 0
!
Radius-server host 99.100.0.2 auth-port 1645 acct-port 1646
Radius-server key mykey
!
!
! Access-point list configuration
! Access point for access to PDN
Gprs access-point-list abc
Access-point 1
Access-point-name maid
Dhcp-server 99.100.0.3
Exit
!
! Access point for access to a private network
Access-point 2
Access-point-name xyz.com
Dhcp-server 60.0.0.1
Dhcp-gateway-address 60.0.0.1
Use-interface Tunnel0 next-hop-address 97.0.0.21
Exit
!
! Access point for access to PDN
Access-point 3
Access-point-name www. upls_mycompany
Access-mode non-transparent
Radius-server 99.100.0.2
Exit
!
Line con 0
Exec-timeout 0 0
Transport input none
Line aux 0
Exec-timeout 0 0
Transport input all
Line vty 0 4
Exec-timeout 0 0
Password mypass
!
End