Troubleshooting guide

7-5
Cisco Broadband Local Integrated Services Solution Troubleshooting Guide
OL-5169-01
Chapter 7 Troubleshooting the CMTS
Troubleshooting the Cisco uBR7246VXR
• Weighted Fair Drop (WFD) enhancements
• DOCSIS 1.0 CBR
• Per Modem filters
• ISL bridging for non cable interfaces (VLANs)
• IPSec security
• 3DES encryption
• Firewall, CBAC, and intrusion detection
• Cable Modem Multicast authentication (RADIUS)
• Basic lawful intercept support (CALEA) facility based on MAC address, so it can be used for voice
or data connections
• Upstream address verification (security)
• 40-bit and 56-bit baseline private data encryption standard (DES)
• Encrypted Baseline Privacy Key Exchange (security)
Standards
• Modular standards based architecture.
Complete interoperability and forward compatibility to support future DOCSIS, PacketCable,
OpenCable, and other relevant standards.
• DOCSIS 1.0 qualified
• DOCSIS 1.1 based
• Baseline Privacy Interface (BPI)
Reference Documentation
For additional details, refer to the following documents:
• Cisco 7200 Series Quick Start Guide
• Cisco 7200 Series VXR Installation and Configuration Guide
• Cisco 7200 Series VXR Port Adapter Hardware Configuration Guidlines
• Regulatory Compliance and Safety Information for Cisco 7200 Series Routers
• Cisco 7200 Series Routers Troubleshooting Documentation Roadmap
Troubleshooting the Cisco uBR7246VXR
This section provides information and procedures to help you diagnose problems from the Cisco
uBR7246VXR.
For the latest troubleshooting information available for the Cisco uBR7246VXR see
http://www.cisco.com/en/US/products/hw/cable/ps2217/prod_alerts_troubleshooting.html.
The CMTS and DOCSIS error messages, their cause, and recommended actions are available at
http://www.cisco.com/en/US/products/hw/cable/ps2217/prod_error_message09186a0080134033.html.