Cabletron Systems 9E312, 9E423 manual Enabling and Disabling Bridging, Bridge Statistics

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9E312/9E423 Module Bridging

•Filtering Database... which invokes a window that lets you conﬁgure the 9E312/9E423 Module bridge’s acquired and permanent ﬁltering databases to ﬁlter or forward trafﬁc across the 9E312/9E423 Module (see Filtering Database, following).

•Duplex Modes... which invokes a window that lets you conﬁgure an interface supported by the bridge to perform Ethernet full duplex switching (see Duplex Modes, following).

Enabling and Disabling Bridging

When you disable a bridge port, you disconnect that port’s network from the bridge entirely. The port does not forward any packets, nor does it participate in Spanning Tree operations. Nodes connected to the network can still communicate with each other, but they can’t communicate with the bridge and other networks connected to the bridge. When you enable a port, the port moves from the Disabled state through the Learning and Listening states to the Forwarding or Blocking state (as determined by Spanning Tree).

NOTE

Enabling and disabling a port changes its Port Status, not its Port State. An enabled port is able to participate in bridging. A disabled port does not participate in bridging or Spanning Tree operations.

To enable or disable bridging at the port interface level from the Bridge Status window:

1.Click on the desired Port index (). A pull-down menu will appear.

2.Click on Enable to restart bridging on the selected interface, or Disable to halt bridging across the selected interface. Note that you will receive a conﬁrmation prompt before a port is disabled through management.

When you enable or disable bridging across the device, you simultaneously enable or disable bridging at all ports supported by the device. To enable or disable bridging at the device level from the Bridge Status window:

1.Click on to access the Bridge menu.

2.Click on Enable Bridge to restart bridging at the device level, or Disable Bridge to halt bridging across the entire device. Again, you will receive a conﬁrmation prompt if you choose to disable bridging.

Bridge Statistics

The following sections describe Statistics windows available for the 9E312/9E423 Module bridge, both at the device and port levels.

3-6	Enabling and Disabling Bridging

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Contents Page Virus Disclaimer Page Restricted Rights Notice Page Contents 9E312/9E423 Module Bridging IndexIntroduction Introduction Using the 9E312 and 9E423 User’s GuideRelated Manuals Common 9E312 and 9E423 Window Fields Software ConventionsUsing Buttons and Menus Getting Help from Cabletron Systems Technical Support Using On-line HelpGetting Help FTP 9E312 and 9E423 FirmwareIntroduction 9E312 and 9E423 Firmware 9E312/9E423 Module View 9E312/9E423 Module View Viewing Module InformationConnection Status Front Panel InformationMenu Structure Device Menu E312/9E423 Module View Menu StructureBridge Menu Utilities MenuHelp Menu Bridge Port Menu 9E312/9E423 Module Port Status DisplayChassis Manager Window Viewing the Device Type Setting the Device Date and TimeManaging the Module Edit Time Window Enabling and Disabling Bridge Ports Using the Find Source Address FeatureFind Source Address Window Summary InformationIndex Interface Description FieldsType DescriptionRaw Counts Interface Performance Statistics/Bar GraphsRate Interface Detail WindowLoad Unicast Interface Detail Window StatisticsMulticast ErrorDiscarded Unknown ProtocolPackets Received Testing and Disabling the Current InterfacePackets Transmitted Making Sense of Interface StatisticsUsing the Applications Pull-down menu 9E312/9E423 Module View Summary Information Bridging Basics 9E312/9E423 Module BridgingMore on Transparent Bridging An Overview of Remote Bridge ManagementBridge Status Window Bridge State on Interface Bridge Status Window Information FieldsInterface Speed Interface TypeInterface Address Bridge Statistics Enabling and Disabling BridgingPerformance Graphs Bridge Performance Graph Window Fields Errors RedFrames Forwarded Green Filtered MagentaConﬁguring the Bridge Performance Graphs Interface Statistics WindowAddress Interface Statistics Window FieldsNon-Unicast Bridge Spanning Tree9E312/9E423 Module Bridging Bridge Priority Conﬁguring the Bridge Spanning Tree WindowBridge Level Fields Root Cost Root BridgeRoot Port ProtocolBridge Port Level Fields Designated Cost Path CostDesignated Root Designated BridgeChanging the Spanning Tree Algorithm Protocol Type Changing Bridge Spanning Tree ParametersChanging Bridge Priority Changing Max Age Time Changing Forwarding Delay TimeChanging Hello Time Changing Path Cost Filtering DatabaseChanging Port Priority 9E312/9E423 Module Bridging Filtering Database Window List Filtering Database Window FieldsNumber CapacitySource Port Conﬁguring the Filtering DatabaseReceive Port Port FilteringChanging the Receive Port Altering the Ageing TimeChanging the Type of Entry Adding or Deleting Individual Entries Changing the Port Filtering ActionClearing All Permanent, Static, or Dynamic Entries Using Port Source AddressingDevice Ageing Time Window Setting the Ageing TimeDuplex Modes Window Duplex ModesFull Duplex Duplex Modes Window FieldsInterface Setting the Duplex Mode Index Index-2