Cisco 887V - Integrated Services Router - Page 30

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Cisco 880 Series Integrated Services Router Software Configuration Guide
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Chapter 3 Basic Router Configuration
Configuring WAN Interfaces
The following examples assume the DSLAM is configured in either ADSL2+ mode or VDSL2, and the
CPE is configured in auto mode.
Figure 3-1 shows an ATM WAN or Ethernet WAN network topography.
Figure 3-1 Example Topology
Note A DSLAM in Layer 1 mode may be configured for auto mode. A DSLAM in Layer 2 mode must be
configured for ATM mode or packet transfer mode (PTM).
Note Cisco 886VA and 887VA allow a maximum of four permanent virtual circuits (PVCs).
Configuring ADSL Mode
Configuration tasks
Perform the following tasks to configure ADSL mode:
• Configuring ADSL Auto Mode
• Configuring CPE and Peer for ADSL Mode
• ADSL Configuration Example
• Verifying ADSL Configuration