3Com 9000 manual Layer Modules Switch Fabric Feature Description

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44CHAPTER 4: ADVANCED MANAGEMENT TASKS

Table 5 VLAN Features (continued)

	Layer 2
	Modules
	and
	Switch	Layer 3
	Fabric	Layer 3
Feature	Module	Modules	Description

Ignore STP	No	Yes, in	Ignores the blocking Spanning Tree Protocol
mode		allClosed	(STP) mode for the ports of a designated VLAN.
		mode	(One instance of STP runs on the module, but
			you can disable it on a per-VLAN basis.) This
			mode, only available in allClosed mode, is dis-
			abled by default. You select (on a per-VLAN
			basis), which VLANs ignore STP blocked ports.
			It is typically used for VLANs with router inter-
			faces that ignore the STP state. This mode
			allows routing over a port that is blocked by
			STP.

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Contents Device View User Guide 3Com Corporation 5400 Bayfront Plaza Santa Clara, California Contents Index About this Guide If you are looking to Turn to Finding SpecificInformation This Guide Convention Description ConventionsIcon Description Related DocumentationYear ComplianceAbout Device View About Device View Description Agent 3Com Version Part Number Management Support MatrixManagement Support Matrix About Device View Using Device View Using Device View Preparing PlatformStarting Device ViewCentral Power Supply/Fan left Color indicates status Managing a CoreBuilder 9000 SwitchManaging Media Modules Segments, Ports Filtering with the Media Selection Bar Using Device View Using Tabs in the Notebook Interface Device View Help for Security Settings Managing Devices Switches Device SettingsManaging CoreBuilderIP Configuration Settings Chassis SettingsModule Settings Bridge Settings RAP SettingsManaging Devices Managing Power Systems Managing CoreBuilder Switch Power Supply Admin StatusOverheat Power Down Mode Power Class ModulePower State Managing Devices Advanced Management Tasks Viewing PerformanceStatistics On the type of port or device that you select1Virtual LAN Support 1Virtual LAN Support Managing Virtual LANs Advanced Management Tasks Vlan Features Layer Modules Switch Feature Fabric DescriptionLayer Modules Switch Fabric Feature Description Ieee 802.1Q is a standard for VLANs. It aims to Before assigning a VID, review the information in Table Number DescriptionManaging Virtual LANs Advanced Management Tasks Filtering Vlan Selections Deleting VLANs Index Index

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