Global Title Translation Association Configuration Mode Commands

The Global Title Translation (GTT) Association Configuration is a sub-mode of Global Title Translation Mode. This mode is used to create and configure the GTT association which defines the rules for handling global title translation.

Mode

This chapter describes the Global Title Translation Association Configuration Mode

Exec > Global Configuration > GTT Association

configure > global-title-translation > association instance instance

Entering the above command sequence results in the following prompt: 

[local]host_name(config-gtt-asso-instance)#

Important

Available commands or keywords/variables vary based on platform type, product version, and installed license(s).

action

This command allows the user to configure the action type for specific action id's .

Product

SGSN

Privilege

Security Administrator, Administrator

Mode

Exec > Global Configuration > Global Title Translation Association Configuration

configure > global-title-translation association instance instance

Entering the above command sequence results in the following prompt: 

[local]host_name(config-gtt-asso-instance)#

Syntax

[no] action id action_id type action_type start-digit start_digit_value end-digit end_digit_value

no

Removes the action type defined for the action id's.

action

Specifies the action for the rule.

id

This keyword is used to specify the action id.

action_id

The action_id is an integer value from 1 up to 15.

type

This keyword is used to specify the action type.

action_type

The supported action types are listed below:

  • constant: Translate incoming GT to a fixed address.

  • fixed:Fixed range of digits to perform GTT.

  • gt-to-pc: Use digits in incoming GT digits as PC for routing.

  • insert-pc: Insert DPC before incoming GTAI and change TT,ES and NAI.

  • selins: Selective Insertion type to perform GTT.

  • strip-pc: Strip first the "6" digits from GTAI if first "6" digits in SPC are in INT format.

  • var-asc: Variable number of digits in ascending order to perform GTT.

  • var-des: Variable number of digits in descending order to perform GTT.

start-digit start_digit_value

Specifies the ending digit of the range. The start_digit_value is an integer value from 0 up to 255. The start digit value must be less than or equal to the end digit value.

end-digit end_digit_value

Specifies the starting digit of the range. The end_digit_value is an integer value from 0 up to 255.

Usage Guidelines

The action id's can be configured for the GTT address-maps. Each action id is associated with a specific type of action. For more information see the associate command in the Global Title Translation Address-Map Configuration Mode chapter.

Example

Listed below is an example where the action id "10" is defined with action type "fixed" along with start and end digits as "10" and "23" respectively: 
action id  10 type fixed start-digit 10 end-digit 23

description

Allows the user to enter a descriptive text for this configuration.

Product

SGSN

Privilege

Security Administrator, Administrator

Mode

Exec > Global Configuration > Global Title Translation Association Configuration

configure > global-title-translation association instance instance

Entering the above command sequence results in the following prompt: 

[local]host_name(config-gtt-asso-instance)#

Syntax

description text 
no description

no

Clears the description for this configuration.

text

Enter descriptive text as a string of 1 up to 127 characters.

Usage Guidelines

The description should provide useful information about this configuration.

do

Spawns an Exec mode command which displays information to the administrator.

Product

All

Privilege

Administrator

Syntax

do showshow_command_options

show show_command_options

Executes an exec mode show command and immediately returns back to the current configuration mode.

show_command_options lists the various show commands available for the administrator.

Usage Guidelines

Use this command to display show command information to the administrator and immediately return back to the current configuration mode.

end

Exits the current configuration mode and returns to the Exec mode.

Product

All

Privilege

Security Administrator, Administrator

Syntax

end

Usage Guidelines

Use this command to return to the Exec mode.

exit

Exits the current mode and returns to the parent configuration mode.

Product

All

Privilege

Security Administrator, Administrator

Syntax

exit

Usage Guidelines

Use this command to return to the parent configuration mode.

gt-format

This command configures Global Title Translation format in the GTT process.

Product

SGSN

Privilege

Security Administrator, Administrator

Mode

Exec > Global Configuration > Global Title Translation Association Configuration

configure > global-title-translation association instance instance

Entering the above command sequence results in the following prompt: 

[local]host_name(config-gtt-asso-instance)#

Syntax

[no] gt-format format_number

no

Removes the configured format.

format_number

The format_number is an integer value from 1 up to 4. The format numbers correspond to the following formats:

  • 1: Format 1

  • 2: Format 2

  • 3: Format 3

  • 4: Format 4

Usage Guidelines

On configuring this command, the user enters the specified GT-Format mode. Each format has specific commands to define rules for GTT. For more information see GT-Format1/GT-Format2/GT-Format3/GT-Format4 Configuration Mode Commands chapters.

Example

Listed below is an example where the GT-format is chosen as "1" which corresponds to GT-Format1 and enters the GT-Format1 Configuration Mode: 
gt-format  1

variant

This command configures Global Title Translation (GTT) network variant.

Product

SGSN

Privilege

Security Administrator, Administrator

Mode

Exec > Global Configuration > Global Title Translation Association Configuration

configure > global-title-translation association instance instance

Entering the above command sequence results in the following prompt: 

[local]host_name(config-gtt-asso-instance)#

Syntax

variant variant

variant

The available options of network variant are listed below:

  • ansi

  • china

  • itu

  • japan

Example

Listed below is an example where the network variant is selected as ansi: 
variant  ansi