Chapter 4 Configuring PPP over ATM with NAT

Configure DSL Signaling Protocol

 

Command

Purpose

Step 5

 

 

no shutdown

Enables interface and configuration changes just

 

 

made to the ATM interface.

 

Example:

 

 

Router(config-if-atm-vc)# no shutdown

 

 

Router(config-if)#

 

Step 6

 

 

exit

Exits configuration mode for the ATM interface.

 

Example:

 

 

Router(config-if)# exit

 

 

Router(config)#

 

 

 

 

Configure DSL Signaling Protocol

DSL signaling must be configured on the ATM interface for connection to your ISP. The

Cisco Secure Router 520 ADSL-over-POTS routers support ADSL signaling over POTS and the Cisco Secure Router 520 ADSL-over-ISDN routers support ADSL signaling over ISDN. To configure the DSL signaling protocol, see the “Configuring ADSL” section on page 4-6.

Configuring ADSL

The default configuration for ADSL signaling is shown in Table 4-1.

Table 4-1

Default ADSL Configuration

 

 

 

 

 

Attribute

 

Description

Default Value

 

 

 

Operating mode

Specifies the operating mode of the digital subscriber line

Auto

 

 

(DSL) for an ATM interface.

 

 

 

ADSL over POTS—ANSI or ITU full rate, or

 

 

 

automatic selection.

 

 

 

ADSL over ISDN—ITU full rate, ETSI, or

 

 

 

automatic selection.

 

 

 

 

 

Loss of margin

 

Specifies the number of times a loss of margin may occur.

 

 

 

 

Training log

 

Toggles between enabling the training log and disabling the

Disabled

 

 

training log.

 

 

 

 

 

If you wish to change any of these settings, use one of the following commands in global configuration mode:

dsl operating-mode(from the ATM interface configuration mode)

dsl lom integer

dsl enable-training-log

See the Cisco IOS Wide-Area Networking Command Reference for details of these commands.

Cisco Secure Router 520 Series Software Configuration Guide

4-6

OL-14210-01

 

 

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Cisco Systems 520 series manual Configure DSL Signaling Protocol, Configuring Adsl, Attribute Description Default Value