Lucent Technologies P550 Using VLANs, Spanning Tree, and Hunt Groups (Layer 2 and, Layer 3), Ingress Rules

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