Allied Telesis AT-GS950/8 manual Configuring Spanning Tree

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AT-S82 Management Software User’s Guide

Configuring Spanning Tree

To define the spanning tree settings at the switch level, perform the following procedure:

1.From the main menu, select STP Global Settings.

The Switch Spanning Tree Settings page is shown in Figure 29.

Figure 29. Switch Spanning Tree Settings Page

2.From the STP Version list, select STP or RSTP.

3.In the Bridge Max Age field, enter a number for the length of time after which stored bridge protocol data units (BPDUs) are deleted by the bridge. All bridges in a bridged LAN use this aging time to test the age of stored configuration messages called bridge protocol data units (BPDUs). For example, if you use the default value 20, all bridges delete current configuration messages after 20 seconds. This parameter can be from 6 to 40 seconds.

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Contents Management Software Page Contents Contents Figures Figures Preface Where to Find Web-based Guides Contacting Allied Telesis Management Software UpdatesPreface Chapter Getting StartedStarting a Management Session Main Saving Changes Save Configuration Click ApplyQuitting a Management Session Getting Started Basic Switch Parameters Basic Switch Parameters AT-S82 Management Software User’s Guide Disabling or Enabling Ping Blocking EnabledDisabled Enabling or Disabling 802.1X Forwarding Control Changing the Administrator’s Password Rebooting the Switch Reset Click Apply Switch is reset Resetting the Switch and Retaining the IP AddressAT-S82 Management Software User’s Guide Download Status Message Downloading New FirmwarePort Configuration Configuring Port Parameters Port is enabled. This is the default Fiber CopperTrunking Trunking Guidelines Trunking Algorithm Trunking OverviewAT-S82 Management Software User’s Guide DAxorSA Configuring the Trunking AlgorithmPort Trunking Configuration Setting up the TrunkTrunking Port Mirroring Port Mirroring Overview Configuring Port Mirroring Port Mirroring VLANs Increased Performance Improved Manageability Security Vlan FeaturesAT-S82 Management Software User’s Guide Vlan Identifier Vlan Port Members Vlan OverviewIncoming Outgoing Tagged Untagged Frames Guidelines for Creating a Vlan Vlan Detail Working with VLANsClick Show All Static Vlan Entries Displaying all VLANsVlan Protected Ports Vlan Example Protected Ports VlanAT-S82 Management Software User’s Guide VLANs Class of Service Mapping Ports to Egress Queues Class of Service OverviewIeee 802.1p Priority Level Port Priority Queue Port Egress Queue Maximum Number Packets Mapping Priorities to Queues Setting Up the Schedule Assigning Priority to Ports Class of Service Spanning Tree Protocol STP Bridge Priority Root Spanning Tree OverviewIncrement Bridge Priority Path Costs and Port CostsPort Speed Port Cost Increment Port Priority Port PriorityHello Time and Bridge Protocol Data Units BPDUs Point-to-Point and Edge Ports Edge Port Spanning Tree and VLANs Spanning Tree Protocol STP Configuring Spanning Tree STP Compatible RstpDisabled Configuring STP Port Settings Auto YesFalse TrueSpanning Tree Protocol STP

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