# Интерфейсный модуль или линейная карта

Это модуль, который несёт на себе физические интерфейсы и FE (чип коммутации) и выполняет функции Forwarding Plane.

![](/files/-LMaZHSh8x43c1jm5h_T)

Так выглядит линейная карта Cisco

![](/files/-LMaZHSjUH__kV4x_Ar7)

Модуль состоит из многих компонентов, которые могут быть реализованы как в одном чипе (System-on-Chip), так и на множестве отдельных в зависимости от класса устройства и архитектуры.

![](/files/-LMaZHSl0DcPqHuGT4h9)


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