Comtech EF Data Vipersat CDD-562L User Manual page 91

MN/22137, rev 1
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.
A p p e n d i x N e t w o r k A d d r e s s i n g
A -
T h e O S I R e f er en c e M o d el
A-3