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Chapter 5, Configuring virtual lans and quality of service – Allied Telesis AT-S25 User Manual

Page 97

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97

Chapter 5

Configuring Virtual LANs and

Quality of Service

This chapter contains the procedures for creating and modifying VLANs.
It also explains the Quality of Service (QoS) feature. This chapter contains
the following sections:

Creating a New VLAN on page 98

Modifying a VLAN on page 105

Deleting a VLAN on page 106

Activating or Deactivating the Basic VLAN Mode on page 107

Assigning the CPU Management Port to a VLAN on page 110

Configuring Quality of Service on page 108

Note

For background information on VLANs, refer to Appendix A,
Introduction to Virtual LANs
on page 139.

The default VLAN configuration for an AT-8300 stack is one VLAN. This
VLAN is named Default VLAN. The Default VLAN has a VLAN ID of 1. All
the ports of all the switches in the stack are port-based (untagged)
members of the Default VLAN and are assigned a PVID of 1. Thus, all
ports in the stack are on a common broadcast domain. A stack can
support up to 254 VLANs. In most situations, you will probably find this
single broadcast domain settings acceptable and will not need to
modify the switch’s VLAN settings.

Note

You should use caution when using the Spanning Tree Protocol
(STP) and VLANs. The switch has only one spanning tree domain.