Newtec Proprietary
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Feature Descriptions MDM6000 Satellite Modem
The MDM6000 supports two forwarding modes:
1. Layer 2 Forwarding Mode:
As Layer 2 Ethernet bridge, the MDM6000 transparently forwards any Layer 3 protocol, MPLS or
VLAN tagged traffic. Consequently it can be considered to act as an Ethernet cable over satellite.
However, operating as Layer2 Ethernet bridge creates extra overhead. Connected network
segments act as one broadcast domain, which can generate some traffic overhead on the satellite
link as well (e.g. ARP requests being sent over the satellite link).
Also note that the MDM6000 operates in promiscuous mode, meaning that it will forward any
incoming packet over the satellite link (for example ARP requests from host A to B while A and B are
on the same LAN segment)
But classification rules can be defined to limit this (excessive) traffic overhead.
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