Cisco Systems OL-6426-02 Benutzerhandbuch

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Cisco 1800 Series Integrated Services Routers (Fixed) Software Configuration Guide
OL-6426-02
Chapter 4      Configuring PPP over ATM with NAT
  Configure DSL Signaling Protocol
Configure DSL Signaling Protocol
DSL signaling must be configured on the ATM interface for connection to your ISP. The Cisco 1801 
supports ADSL signaling over POTS, the Cisco 1802 supports ADSL signaling over ISDN, and the 
Cisco 1803 supports SHDSL signaling.
Based on the router you are configuring, see one of the following sections to configure the appropriate 
DSL signaling protocol.
Configuring ADSL
The default configuration for ADSL signaling is shown in 
Step 5
no shutdown
Example:
Router(config-if-atm-vc)# no shutdown
Router(config-if)# 
Enables interface and configuration changes just 
made to the ATM interface.
Step 6
exit
Example:
Router(config-if)# exit
Router(config)# 
Exits configuration mode for the ATM interface.
Command
Purpose
Table 4-1
Default ADSL Configuration
Attribute
Description
Default Value
Operating mode
Specifies the operating mode of the digital 
subscriber line (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.
Auto
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 training log.
Disabled