Comtech EF Data CDM-570A - Manual (Page 493)

CDM-570L/570AL Satellite Modem with Optional Packet Processor MN-CDM570A
Appendix D Revision 2
D–35
Working Mode
HDLC Addressing Mode
Network Topology Ethernet Traffic
Small Network All sites on different LAN subnet
Router Mode
Point-to-Point or Point-to-MultiPoint
(up to 32766 sites)
IP v4 only
Large Network All sites on different LAN subnet
Router + Brouter Point-to-Point – Large Network IP v4 + VLAN
Feature Support – The Packet Processor has several standard and optional features to further
optimize security, performance and efficiency. These features are supported in the two working
modes as follows:
Feature Managed Switch Mode Router Mode
HDLC Addressing Mode Point-to-Point Only
Point-to-Point, Small Network, Large
Network (can be Point-to-MultiPoint)
10/100 BaseT Operation
10 or 100 BaseT Ethernet
Half or Full Duplex
10 or 100 BaseT Ethernet
Half or Full Duplex
Access Lists None Four Clients by IP or IP Subnet
Quality of Service Min/Max; Max/Priority; DiffServ Min/Max; Max/Priority; DiffServ
Header Compression
Yes – Layer 2 is always compression.
Applied to all Layers 3, 4, and 5 traffic
when enabled
Yes – applied on a per route basis
Payload Compression
Yes - applied to all traffic when
enabled
Yes – applied on a per route basis
Multicast
Select either all or no Multicast, Uplink
or Downlink
All or specific Multicast streams, Uplink or
Downlink
IGMP No Yes
Remote upgrade by FTP Yes Yes