Information Required; Source Context Configuration - Cisco ASR 5000 Series Administration Manual

GGSN Configuration Example

Information Required

The following sections describe the minimum amount of information required to configure and make the GGSN
operational on the network. To make the process more efficient, it is recommended that this information be available
prior to configuring the system.
There are additional configuration parameters that are not described in this section. These parameters deal mostly with
fine-tuning the operation of the GGSN in the network. Information on these parameters can be found in the appropriate
sections of the Command Line Reference.

Source Context Configuration

The following table lists the information that is required to configure the source context.
Table 1. Required Information for Source Context Configuration
Required Information
Source context name
Gn Interface Configuration
Gn interface name
IP address and subnet
Physical port number
Physical port description
Gateway IP address
GGSN service Configuration
GGSN service name
OL-22944-02
Description
An identification string from 1 to 79 characters (alpha and/or numeric) by which the source context
will be recognized by the system.
An identification string between 1 and 79 characters (alpha and/or numeric) by which the interface
will be recognized by the system.
Multiple names are needed if multiple interfaces will be configured.
These will be assigned to the Gn interface.
Multiple addresses and/or subnets are needed if multiple interfaces will be configured.
The physical port to which the interface will be bound. Ports are identified by the chassis slot number
where the line card resides in, followed by the number of the physical connector on the line card. For
example, port 17/1 identifies connector number 1 on the card in slot 17.
A single physical port can facilitate multiple interfaces.
An identification string from 1 to 79 characters (alpha and/or numeric) by which the physical port will
be recognized by the system.
Multiple descriptions are needed if multiple ports will be used.
Physical ports are configured within the source context and are used to bind logical Gn interfaces.
Used when configuring static routes from the Gn interface(s) to a specific network.
An identification string from 1 to 63 characters (alpha and/or numeric) by which the GGSN service
will be recognized by the system.
Multiple names are needed if multiple GGSN services will be used.
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