Cisco Protocol Filtering; Dhcp Layer 2 Relay; Virtual Local Area Network Supported Features; Vlan Support - Dell PowerConnect 8024 User Configuration Manual

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Cisco Protocol Filtering

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-

Based Traffic Control" on page 679.

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

L2 and L3 Relay Features" on page 919.

For information about configuring VLAN features see "Configuring VLANs"

on page 551.

VLANs are collections of switching ports that comprise a single broadcast

domain. Packets are classified as belonging to a VLAN based on either the

VLAN tag or a combination of the ingress port and packet contents. Packets

sharing common attributes can be groups in the same VLAN. The

PowerConnect 8000/8100-series switches are in full compliance with IEEE

802.1Q VLAN tagging.

Port-based VLANs classify incoming packets to VLANs based on their ingress

port. When a port uses 802.1X port authentication, packets can be assigned

to a VLAN based on the result of the 802.1X authentication a client uses

when it accesses the switch. This feature is useful for assigning traffic to

Guest VLANs or Voice VLANs.

Switch Features

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