Enterasys Networks IRM2 manual Activating the Circuit

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Redundancy

2.Enter the number of polls that must entirely fail before the redundant circuit

switches to the next backup port, then click . The range is 1–16; the default value is 3. Note that the retry count you set here applies only to the currently selected circuit; you must specify a retry count for each individual circuit.

NOTE

If you are polling devices that are some distance from the IRM2, or if your network is somewhat slow, be sure to set your polling interval and/or number of retries accordingly to avoid the unnecessary use of backup ports.

If your primary port should fail and traffic is switched to a backup port, that backup port will remain the active port unless it, too, fails, or until the primary port is repaired and the circuits are tested. See Testing the Circuits, page 7-8, for more information.

Activating the Circuit

Once you have defined all port paths for a circuit, designated the device addresses to poll, and set the appropriate polling interval and number of retries, you can activate the circuit.

The activation criteria for a circuit are:

You must have at least two ports associated with the circuit: one as Primary, and at least one as Backup

You must have at least one address entered in the Polled Addresses list

To activate the circuit:

1.Use the drop-down list to display the appropriate circuit in the Current Circuit text box; note that the current status of the selected circuit (enabled or disabled) is displayed just below the Current Circuit text box.

2.Click Configure, and drag down to Enable to activate the currently selected circuit. The defined redundancy scheme for that circuit will take effect, and the displayed status for the selected circuit will change to Enabled.

3.Make all physical connections to your defined backup ports. Backup ports are automatically disabled by management once a redundant circuit has been enabled, and will not be re-enabled unless the primary port in the redundant circuit fails, or unless they are manually re-enabled once the redundant circuit has been disabled.

While redundancy is in effect, the Redundancy mode of the Chassis View window will display the current active port in green; backup ports and failed ports will both display in gray.

Activating the Circuit

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Contents IRM2 Users Guide Page Virus Disclaimer Page Restricted Rights Notice Page Contents Statistics Chapter Trap SelectionIndex Chapter RedundancyContents Viii Introduction Using This ManualIntroduction Related ManualsSoftware Conventions Using the MouseDevice Name Common IRM2 Window FieldsUsing Window Buttons Getting Help Using On-line HelpHours a day, 365 days a year Getting Help from the Enterasys Global Call CenterIntroduction Getting Help IRM2 Chassis View Viewing Chassis Information Port Status Front Panel InformationPort Locking/Unlocking Connection StatusTime Boot PromMenu Structure FirmwareDevice Menu IRM2 Chassis View Menu StructurePort Status Menu View MenuRepeater Menu Help Menu Utilities MenuBoard Menu Port Menus MIM Port Status DisplaysLoad Status Port TypeErrors Port Status Color Codes Physical Chassis ViewChassis Manager Window Device Type Viewing Hardware TypesManaging the Hub Setting the Device Date and TimeRestarting the Device Resetting Device CountersRepeater Port Association Configuring the Front Panel Repeater Port AssociationEnabling Boards Setting a Board NameViewing I/F Summary Information Enabling and Disabling PortsPhysical Status IndexType DescriptionRaw Counts Viewing Interface Detail RateNon-Unicast ErrorAddress UnicastPackets Transmitted Transmit only Unknown Protocol Received onlyPackets Received Received only Transmit Queue Size Transmit onlyUsing the Applications menu Testing and Disabling the Current InterfaceStatistics StatisticsStatistics Accessing the Statistics WindowsBytes Statistics DefinedPackets Collisions Using the Total and Delta Radio ButtonsHard Errors Soft ErrorsAccessing the Timer Statistics Windows Timer StatisticsTo access the port-level Timer Statistics window Summary Statistics Setting the Timer Statistics IntervalAccessing the Summary Statistics Windows Configuring Summary Statistics Performance Graph Accessing the Performance Graph WindowsTotal Errors Configuring the Performance Graph Find Source Address Source Address FunctionsSource Address Functions Using Port Locking and UnlockingLock/Unlock Ports Window Using Source Addressing Setting the Device Ageing Time Device Ageing Time Window Accessing the Alarm Limits Windows Alarm LimitsAccessing the Alarm Limits Windows Alarm Limits Collisions Broadcast Packets Errors of TypeSetting the Alarm Limits Time Interval Configuring AlarmsWithin Alarm Interval Window Setting Alarm LimitsAlarm Limits Trap Selection Accessing the Trap Selection WindowsLink State Traps Trap DefinitionsSource Address Traps Segmentation TrapsConfiguring Traps Redundancy Accessing the Redundancy WindowRedundancy Selecting and Naming a Circuit Establishing RedundancyCircuit Name Window Entering the Physical Addresses of Devices to be PolledAssigning Backup Ports and Port Priority to the Circuit Polling Interval Window Setting the Polling Interval and Number of RetriesActivating the Circuit Testing the Circuits Test Time of Day Window Reconfiguring a CircuitChanging Port Status Redundancy Reset Warning Window Resetting a CircuitRedundancy Index Index-2 Index-3 Index Index-4