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u VLAN
ü IEEE 802.1Q VLAN tagging
ü Up to 256 VLAN groups, out of 4094 VLAN IDs
ü Provider Bridging (VLAN Q-in-Q) support (IEEE 802.1ad)
ü Private VLAN Edge (PVE)
ü MAC-based/Protocol-based VLAN/Voice VLAN/GVRP/Management VLAN
u Spanning Tree Protocol
ü IEEE 802.1D Spanning Tree Protocol
ü IEEE 802.1w Rapid Spanning Tree Protocol
ü IEEE 802.1s Multiple Spanning Tree Protocol
ü BPDU Guard and BPDU Filtering enhance switch network reliability, manageability and
security
Layer 2 Features