Cisco Systems OL-6426-02 Benutzerhandbuch
B E TA D R A F T - C I S C O C O N F I D E N T I A L
4-6
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.
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.
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.
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.
subscriber line (DSL) for an ATM interface.
•
ADSL over POTS—ANSI or ITU full
rate, or automatic selection.
rate, or automatic selection.
•
ADSL over ISDN—ITU full rate, ETSI,
or automatic selection.
or automatic selection.
Auto
Loss of margin
Specifies the number of times a loss of margin
may occur.
may occur.
Training log
Toggles between enabling the training log and
disabling the training log.
disabling the training log.
Disabled