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Base Port/Flood port- When the hunt group is configured, there is one port designated base port. All ports in the hunt group assume the identity of the base port. The base port passes all flood frames, broadcast frames, destination unknown unicast, and multicast frames for VLANs associated with the hunt group. Spanning Tree treats all ports in the hunt group as one port. The base port sends and receives Bridge Protocol Data Units (BPDU's).
Member port - A port that is a member of the hunt group. Sometimes referred to as a "Participating port".
Non-member port - A port that is not a member of a hunt group. sometimes referred to as a "non-Participating port".
Forwarding Engine (FE) - A generic name for hardware that makes layer 2 and layer 3 forwarding decisions.
Participating (or Non-Participating) Forwarding Engine - A forwarding engine that has a port is part of the hunt group. Example, a M8024 (80-series module with 24 10/100 Mbps ports), the first 12 ports are serviced by a single Forwarding Engine. If any of those 12 ports participates in a hunt group, then that Forwarding Engine is considered a participating forwarding engine.
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