🔗 SOHO Router: Data Link Layer (L2) Functions Flashcards (1.3.3)

SOHO Router L2 Interface: RJ45 Jacks

Internally connected by an Ethernet switch.

SOHO Router L2 Interface: Radio Antennae

Implement a version of the Wi-Fi standard and function as a wireless access point (AP).

Function of the Wireless Access Point

Acts as a wireless hub for stations (PCs, phones, etc.) and a bridge between the cabled (Ethernet switch) and wireless segments.

Result of the AP-to-Switch Connection

Creates a single logical Data Link network where cabled and wireless hosts are on the same Layer 2 segment.

Host Identification at Layer 2

2Each host interface (NIC port, radio) is identified by a unique Media Access Control (MAC) address.

Layer 2 PDU

Frame.