Chapter 2: C4/C4c CMTS Features
STANDARD Revision 1.0
C4® CMTS Release 8.3 User Guide
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Fault Detection and Recovery
The C4/C4c CMTS employs:
Advanced data-path integrity checks (parity, CRC, loopbacks, pings)
Continuous system audits
Multiple levels of error detection.
Fault recovery on the C4/C4c CMTS:
Rapidly isolates faults
Decreases diagnostic and repair time
Reduces the probability of fault propagation
Minimizes impact on subscriber services.
Interfaces and Protocols
Open interfaces and protocols allow seamless integration with existing network management infrastructures. The primary
protocols supported by the C4/C4c CMTS include the following:
Simple Network Management Protocol (SNMP) — v1, v2c, and v3
DOCSIS 1.1, DOCSIS 2.0, DOCSIS 3.0 (Bronze), and Cadant MIBS
Command Line Interface (CLI)
File Transfer Protocol (FTP)
Telnet
Routing Information Protocol (RIPv2)
Open Shortest Path First (OSPFv2)
Open Shortest Path First (OSPFv3)
Security Features
Unique security measures ensure plant and subscriber integrity through: