Comtech EF Data CDD-56X Series Vipersat - Manual (Page 91)

Appendix A - Network Addressing A-3
MN/22137, rev 1 The OSI Reference Model
Together, these two sub-layer protocols are responsible for moving packets on
and off the network.
Layer 3 / Network Layer – Layer 3 is responsible for routing packets through
multiple networks. The Layer 3 protocol operates without regard to the underly-
ing protocols in use. For example, routers operate at Layer 3.