DELL N3000 User Manual

Switch Feature Overview

The Cisco Protocol Filtering feature (also known as Link Local Protocol 

Filtering) filters Cisco protocols that should not normally be relayed by a 

bridge. The group addresses of these Cisco protocols do not fall within the 

IEEE defined range of the 802.1D MAC Bridge Filtered MAC Group 

Addresses (01-80-C2-00-00-00 to 01-80-C2-00-00-0F).
For information about configuring LLPF, settings see "Configuring Port-

This feature permits Layer 3 Relay agent functionality in Layer 2 switched 

networks. The switch supports L2 DHCP relay configuration on individual 

ports, link aggregation groups (LAGs) and VLANs. 
For information about configuring L2 DHCP Relay settings see "Configuring