Product specifications

CDM-840 Remote Router Revision 2

Table of Contents MN-CDM840

viii

B.3 VersaFEC

(Short-block LDPC) ............................................................................................... B–3

B.3.1 Range of Data Rates.................................................................................................................. B–4

B.4 CDM-840 Rx/Tx Error Performance Characteristics ............................................................... B–4

APPENDIX C. BRIDGE POINT-TO-MULTIPOINT (BPM) OPERATION ............................. C–1

C.1 Introduction ....................................................................................................................... C–1

C.2 Supported Network Configurations ..................................................................................... C–2

C.2.1 Flat Network ............................................................................................................................. C–2

C.2.2 Flat Network with Routers ........................................................................................................ C–2

C.2.3 VLAN Trunking .......................................................................................................................... C–3

C.3 Packet Processing ............................................................................................................... C–3

C.3.1 Traffic Network / Ethernet Switch Behavior ............................................................................. C–3

C.3.2 Management Network ............................................................................................................. C–4

C.4 IEEE 802.1Q Support ........................................................................................................... C–5

C.4.1 VLAN Trunking .......................................................................................................................... C–5

C.4.2 Access Mode Support ............................................................................................................... C–5

C.4.3 Multiple VLAN Tagging Support................................................................................................ C–6

C.5 Multicast BPM Behavior ...................................................................................................... C–6

C.5.1 Multicast Management/Routed Behavior (no change) ............................................................ C–7

C.6 BPM and Group QoS with Outbound ACM/VCM .................................................................. C–7

C.7 Hub Network Configuration ................................................................................................ C–8

C.8 Compatible Features and Detailed Specifications ............................................................... C–12

C.9 Summary .......................................................................................................................... C–13

C.10 Glossary............................................................................................................................ C–14

APPENDIX D. HEADER AND PAYLOAD COMPRESSION ............................................... D–1

D.1 Introduction ...................................................................................................................... D–1

D.1.1 Traffic Optimization ..................................................................................................................D–1

D.1.2 Compression Performance .......................................................................................................D–2

D.2 Operating, Configuring, and Monitoring Header and Payload Compression ......................... D–3

D.2.1 E

nabling or Disabling Header and Payload Compression Operation .......................................D–3

D.2.2 Configuring Header and Payload Compression Refresh Rates .................................................D–4

D.2.3 Viewing Header and Payload Compression Statistics...............................................................D–6