Comtech EF Data CDM-425 Installation And Operation Manual page 13

Advanced satellite modem (18 kbps – 25 mbps)
Table of Contents

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H.1
Overview ..................................................................................................................................... H-1
H.1.1 EDMAC .....................................................................................................................................H-1
H.1.3 EDMAC-3 ..................................................................................................................................H-2
H.2
H.3
Setup Summary .......................................................................................................................... H-4
I.1
Overview ....................................................................................................................................... I-1
I.2
Ethernet Overview ........................................................................................................................ I-2
I.2.1
Interface Architecture ................................................................................................................. I-2
I.2.2
Modes of Ethernet Operation ..................................................................................................... I-2
I.2.3
Ethernet Networking Loops ....................................................................................................... I-3
I.2.3.1
Networking Loops in Managed Switch Mode ................................................................. I-4
I.2.3.1.1
Hub-to-Hub Using Ethernet Switches ......................................................................... I-4
I.2.3.1.2
Hub-to-Hub Using Ethernet Routers ........................................................................... I-5
I.2.3.1.3
Hub-to-Remotes Using Ethernet Switches or Routers ............................................... I-6
I.2.3.2
Networking Loops in Router Mode (with IP Packet Processor) ..................................... I-7
I.3
Ethernet Network Configurations in Managed Switch Mode ................................................... I-8
I.3.1
I.3.2
I.4
I.4.1
Point-to-Multipoint (Router Multipoint Hub) Mode ................................................................... I-10
I.4.1.1
Router Multipoint Hub Configuration ............................................................................ I-11
I.4.2
Multicast Routing Mode ........................................................................................................... I-12
I.4.2.1
Multicast Routing Configuration ................................................................................... I-13
I.5
Ethernet Overhead over WAN Interface ................................................................................... I-14
I.5.1
Managed Switch Mode (without IP Packet Processor) ............................................................ I-14
I.5.2
Router Mode or Managed Switch Mode (with IP Packet Processor) ...................................... I-14
I.6
Ethernet Redundancy ................................................................................................................ I-15
I.7
Advanced Network Timing ........................................................................................................ I-16
I.7.1
Overview .................................................................................................................................. I-16
I.7.2
SNTP (Simple Network Time Protocol) .................................................................................... I-16
I.7.3
Precision Time Protocol (PTP) ................................................................................................. I-16
APPENDIX J.
IP PACKET PROCESSOR OPTION ............................................................................ J-1
J.1
Overview ...................................................................................................................................... J-1
J.1.1
Operational Requirements ........................................................................................................ J-2
CDM-425  CDM-425 Interoperability Compatibility/Limitations ............................................. J-2
J.1.2
J.2
IP Packet Processor Features .................................................................................................... J-2
J.2.1
Streamline Encapsulation (SLE) ............................................................................................... J-2
J.2.2
Modes of Operation .................................................................................................................. J-2
J.2.3
Adaptive Coding and Modulation (ACM) .................................................................................. J-2
J.2.4
Subsystem Multiplex (Sub-Mux) ............................................................................................... J-3
J.2.5
FAST Options ............................................................................................................................ J-3
J.2.5.1
Advanced Quality of Service (QoS) .............................................................................. J-4
J.2.5.2
Advanced Encryption Standard (AES) Encryption ........................................................ J-5
J.2.5.3
Header Compression .................................................................................................... J-5
J.2.5.4
Payload Compression ................................................................................................... J-5
J.3
Operation with IP Packet Processor ......................................................................................... J-6
J.3.1
Front Panel Operation .............................................................................................................. J-6
J.3.2
Ethernet-based Remote Product Management ........................................................................ J-6
J.3.2.1
SNMP Interface ............................................................................................................. J-6
J.3.2.2
Telnet Interface .............................................................................................................. J-7
Table of Contents
CDM-425 Advanced Satellite Modem
xi
Revision 0
MN-CDM-425

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