Chapter 12 - Using Vlans, Spanning Tree, And Hunt Groups; Layer 3); Overview; Vlan Operation - Lucent Technologies Cajun P220 Operation Manual

12
Using VLANs, Spanning Tree,
and Hunt Groups (Layer 2 and

Layer 3)

Overview

This chapter and its procedures are common to both Layer 2 and Layer 3 configuration.
Included in this chapter:

VLAN Operation

Creating and Implementing VLANs
Using Spanning Tree Setup and Monitoring
Using Hunt Groups to Aggregate Bandwidth between Switches
VLAN Operation
VLAN operation is based on three sets of rules:

Ingress Rules

Forwarding Rules
Egress Rules
Ingress Rules
Every frame received by the switch is classified to one VLAN. There are two ways in
which frames are classified to VLANs:
Untagged frames are classified to the VLAN associated with the port on which the
frame is received (Port-based VLANs).
Tagged frames are classified to the VLAN identified by the VLAN tag in the tag
header of the frame.
Cajun P550/P220 Switch Operation Guide 12-1