Which Layer 2 links do network bridges support

Network bridges support the following Layer 2 links: Ethernet, Multilink PPP (MP), Point-to-Point Protocol (PPP), frame relay (FR), Asynchronous Transfer Mode (ATM), Point-to-Point Protocol over Ethernet (PPPoE), Point-to-Point Protocol over FR (PPPoFR), Point-to-Point Protocol over Ethernet over ATM (PPPoEoA), and High-Level Data Link Control (HDLC) links.

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