Cisco Cisco Packet Data Gateway (PDG)
APN Configuration Mode Commands
▀ tunnel gre
▄ Command Line Interface Reference, StarOS Release 17
1462
tunnel gre
Configures Generic Routing Encapsulation (GRE) tunnel parameters between the GGSN and an external gateway for
the APN.
the APN.
Product
GGSN
P-GW
SAEGW
Privilege
Security Administrator, Administrator
Mode
Exec > Global Configuration > Context Configuration > APN Configuration
configure > context context_name > apn apn_name
Entering the above command sequence results in the following prompt:
[context_name]host_name(config-apn)#
Syntax
tunnel gre peer-address peer_address local-address local_addr [ preference num ]
no tunnel gre peer-address peer_address
no
Disables GRE tunneling for the APN.
peer-address
peer_address
Specifies the IP address of the external gateway terminating the GRE tunnel.
peer_address
must be expressed in dotted decimal notation.
local-address
local_addr
Specifies the IP address of the interface in the destination context of the GGSN originating the GRE tunnel.
local_addr
must be expressed in IPv4 dotted-decimal notation.
preference
num
Default: 1
This option can be used to assign a preference to the tunnel.
This option can be used to assign a preference to the tunnel.
preference
can be configured to any integer value from 1 to 128.
Important:
Only one GRE tunnel per APN is supported. Therefore, the preference should always be set to “1”.
Usage
Subscriber IP payloads are encapsulated with IP/GRE headers and tunneled by the GGSN to an external
gateway.
gateway.