Users Guide

Supported Features
• Because PE interfaces only support Layer 2 mode, you cannot configure an IP address configuration and Layer 3 protocol
features.
NOTE: The only Layer 3 feature supported on PE ports is L3 VLANs
• A port extender supports the following L2 protocols on PE ports:
– 802.1x
– BPDU guard
– LACP
– LAGs
– LLDP
– Loop detection and MAC Learning Limit
• A port extender does not support:
– DCB
– FEFD
– GVRP
– FRRP
– Sticky MAC
– STP Edge port support on PE interfaces
– VLAN stacking
– VLT
Port Extenders (PEs) 705