Summary of GPRS APN-GRE Tunnel Configuration

Summary of GPRS APN-GRE Tunnel Configuration
This article is a practical application case about the establishment of the APN-GRE tunnel, the configuration is based on the Cisco 12012 router, using TFTP. You can see that similar applications may be encountered in the future! Welcome to the discussion!
 
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Version 12.2:
Service timestamps debug uptime
Service timestamps log uptime
No service password-Encryption
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Hostname 2600
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Enable secret 5 $1 $ nhey $ zaly8kvp8r7tbcj/
Enable Password ××××/APN No/
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IP subnet-zero
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Interface tunnel1/create Tunnel 1/

 

IP address 10.10.46 255.255.255.252/tunnel IP/(accessed by gprs dtu)
Tunnel source 218. */source address/
Tunnel destination 211. *. *. 41/target address/
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Interface fastethernet0/0/internal private IP/
IP address 192.1.3.100 255.255.255.0
No IP mroute-Cache
Speed auto
Full-duplex
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Interface fastethernet0/1/ISP Optical Fiber IP/
IP address 218.*255.255.255.0
IP Access-group 101 in
IP address access-group 101 out
No IP mroute-Cache
Duplex auto
Speed auto
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IP classless
IP Route 0.0.0.0 0.0.0.0 218. *. *. 69/access the Internet
The network segment passes through the ISP gateway/
IP Route 10.1.12.0 255.255.254.0 tunnel1/default route through
Tunnel 1 exit/
No ip http server
Ip pim bidir-enable
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Access-list 101 permit TCP any
Access-list 101 permit IP any
Access-list 101 permit ICMP any
TFTP-server no
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Line con 0
Line aux 0
Line vty 0 4
Password ××××/APN No/
Login
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End