Comtech EF Data CDM-625 - Manual (Page 16)

CDM-625 Advanced Satellite Modem Revision 15
Table of Contents MN-CDM625
xiv
14.3 Drop and Insert (D&I) ........................................................................................................ 14–3
14.3.1 D&I Primary Data Interfaces .................................................................................................................. 14–4
14.3.2 D&I Framing ............................................................................................................................................. 14–4
14.4 Intermediate Data Rate (IDR) ............................................................................................ 14–5
14.4.1 IDR Primary Data Interfaces ................................................................................................................... 14–6
14.4.2 IDR Engineering Service Channel .......................................................................................................... 14–6
CHAPTER 15.
IP SUB-MUX .............................................................................................. 15–1
15.1 Overview .......................................................................................................................... 15–1
15.2 Available Ratios ................................................................................................................ 15–1
15.3 Data Rate vs. Composite Rate............................................................................................ 15–2
CHAPTER 16.
ETHERNET NETWORK CONFIGURATION .............................................. 16–1
16.1 Overview .......................................................................................................................... 16–1
16.2 CDM-625 Ethernet Overview ............................................................................................. 16–1
16.2.1 Interface Architecture ............................................................................................................................ 16–1
16.2.2 Modes of Ethernet Operation ............................................................................................................... 16–2
16.2.3 Ethernet Networking Loops ................................................................................................................... 16–2
16.2.3.1 Networking Loops in Managed Switch Mode ................................................................................. 16–3
16.2.3.1.1 Hub-to-Hub using Ethernet Switches ..................................................................... 16–3
16.2.3.1.2 Hub-to-Hub using Ethernet Routers ....................................................................... 16–4
16.2.3.1.3 Hub-to-Remotes using Ethernet Switches or Routers ............................................ 16–5
16.2.3.2 Networking Loops in Router Mode (with IP Packet Processor) .................................................... 16–6
16.3 Ethernet Network Configurations in Managed Switch Mode .............................................. 16–7
16.3.1 Point-to-Multipoint Hub-to-Remotes, Split-path Traffic Using Routers ........................................ 16–7
16.3.2 Point-to-Multipoint Hub-to-Remotes, Split-path Traffic Using Switches ...................................... 16–8
16.4 Ethernet Network Configurations in Router Mode (with IP Packet Processor) ..................... 16–9
16.4.1 Point-to-Multipoint (Router Multipoint Hub) Mode .......................................................................... 16–9
16.4.1.1 Router Multipoint Hub Configuration .............................................................................................. 16–9
16.4.2 Multicast Routing Mode ..................................................................................................................... 16–11
16.4.2.1 Multicast Routing Configuration ................................................................................................... 16–12
16.5 Ethernet Overhead over WAN Interface .......................................................................... 16–13
16.5.1 Managed Switch Mode (without IP Packet Processor) ................................................................... 16–13
16.5.2 Router Mode or Managed Switch Mode (with IP Packet Processor) ............................................ 16–13
16.6 Ethernet Redundancy ...................................................................................................... 16–14
16.7 Advanced Network Timing .............................................................................................. 16–15
16.7.1 Overview ............................................................................................................................................... 16–15