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Junos OS Layer 2 Bridging and Switching Library for Security Devices
Ethernet frames can be forwarded from one LAN segment or VLAN to another by the bridging or switching functions on Juniper Networks devices. Bridging and switching functions are performed in Layer 2 of the Open Systems Interconnection (OSI) model—the Data Link Layer. Although the terms bridging and switching are often used interchangeably, switching functions are typically performed in hardware in application-specific integrated circuits (ASICs) while bridging functions are usually performed in software.
Junos OS for SRX Series Services Gateways, Release 12.1X46
