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Allied Telesis AT-GS950/8 manual Spanning Tree Protocol STP, Chapter

Models: AT-GS950/8

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Chapter 8

Spanning Tree Protocol (STP)

This chapter contains the following sections:

“Spanning Tree Overview” on page 62

“Configuring Spanning Tree” on page 71

“Configuring STP Port Settings” on page 74

Section I: Using the Menus Interface

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Allied Telesis AT-GS950/8 manual Spanning Tree Protocol STP, Chapter

Contents

Management Software For the AT-GS950/8 Layer 2 Gigabit Ethernet WebSmart Switch VersionUser’s Guide AT-S82Copyright 2007 Allied Telesis, Inc Contents Tagged Port Members Figures Figures ˆ “Where to Find Web-based Guides” on page PrefaceThis preface contains the following sections ˆ “Contacting Allied Telesis” on pagePreface Where to Find Web-based GuidesManagement Software Updates Online Support Email and Telephone Support Warranty ReturningContacting Allied Telesis Products Sales or Corporate InformationPreface Chapter Getting StartedStarting a Management Session AT-S82 Management Software User’s Guide Figure 2. Main PageSaving Changes To quit a management session, close the web browser Quitting a Management SessionChapter 1 Getting Started Chapter Basic Switch ParametersTo set the switch’s IP configuration, perform the following procedure a. In the IP Address field, enter the IP address. The default is Disabled EnabledDisabling or Enabling Ping Blocking Enabled Enabling or Disabling 802.1X Forwarding ControlDisabled Changing the Administrator’s Password Rebooting the Switch Resetting the Switch and Retaining the IP Address Figure 8. Reset System Page 2. Click Apply Downloading New Firmware ˆ “Configuring Port Parameters” on page Port ConfigurationChapter This chapter contains the following sectionConfiguring Port Parameters Disabled Enabled3. From the State list, choose one of the following Fiber CopperEnabled DisabledChapter TrunkingTrunking Guidelines Trunking Algorithm Trunking Overviewˆ MAC-DA - destination MAC address distribution methods ˆ MAC-SA - source MAC addressˆ DAxorSA - destination MAC address/source MAC address AT-S82 Management Software User’s GuideMAC-SA Configuring the Trunking AlgorithmMAC-DA DAxorSASetting up the Trunk 5. Click Apply to implement your changes Chapter Port MirroringPort Mirroring Overview Configuring Port Mirroring Chapter 5 Port Mirroring Chapter VLANsIncreased Performance Improved Manageability Increased Security VLAN FeaturesAT-S82 Management Software User’s Guide VLAN Identifier VLAN Port Members VLAN OverviewTagged Port Members Incoming and Outgoing Tagged and Untagged FramesUntagged Port Members Incoming FramesGuidelines for Creating a VLAN Working with VLANs 2. Click Show All Static VLAN Entries Displaying all VLANsModifying a VLAN Deleting a VLAN Protected Ports VLAN 2. Determine which ports will be the Primary ports Figure 21. Protected Port PageThe box for the Primary ports should be empty 4. Click Apply AT-S82 Management Software User’s GuideChapter 6 VLANs Chapter Class of ServiceMapping Ports to Egress Queues Class of Service OverviewPort Priority Queue IEEE 802.1p Priority LevelMaximum Number of Port Egress QueuePackets exampleMapping Priorities to Queues Setting Up the Schedule Assigning Priority to Ports Chapter 7 Class of Service Chapter Spanning Tree Protocol STPBridge Priority and the Root Bridge Spanning Tree OverviewIncrement Path Costs and Port CostsBridge PriorityPort Cost Port SpeedPort Speed Port CostPort Priority Forwarding Delay and Topology ChangesPort Port SpeedHello Time and Bridge Protocol Data Units BPDUs Point-to-Point and Edge Ports Figure 26. Edge Port Spanning Tree and VLANs Chapter 8 Spanning Tree Protocol STP Configuring Spanning Tree STP Compatible RSTPWhen you select a value for maximum age, observe the following rules EnabledDisabled Enabled Configuring STP Port SettingsDisabled True FalseAuto FalseChapter 8 Spanning Tree Protocol STP