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Cabletron Systems NB30 manual Restoring Bridge Defaults, Viewing the T1 Link Channel Status

Models: NB30

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NB-30 Bridging

To halt a test in progress and return to the Bridge Status window, click on Cancel.

The results of the test will be displayed in the status Þeld next to the test button:

¥Not in Loopback Ñ Indicates that the DSX-1 port is currently in normal operating condition; a loopback test is not being performed.

¥Loopback in Progress Ñ The DSX-1 port is undergoing a test.

¥Network Loopback Ñ The remote port is currently looped toward the T1 link.

¥Loopback Passed Ñ The test was successful, and the T1 link is valid.

¥Loopback Failed Ñ The test failed, and the T1 link may be malfunctioning.

Viewing the T1 Link Channel Status

The DSX-1 Summary window also lets you see the status of each channel of the T1 link. Note that both bridges linked via the T1 line must share the same channel assignment. Up to 24 channels can be used in an NB-30 T1 link.

An Enabled status indicates that the associated channel is assigned to the T1 link; a Disabled status indicates the associated channel is not used for the link. The administrative state of each channel is set via local management. Refer to your NB-30 Local Management documentation for more information.

Restoring Bridge Defaults

!

CAUTION

From the Bridge Status window, you can use the Restore Defaults option to reset bridge identifying and operating parameters back to their Þrmware default settings.

Among the Þrmware defaults restored are those for Spanning Tree, Ethernet port redundancy (accessible via local management and MIBTree), and T1 channel assignment (accessible via local management and MIBTree). Make sure that network operations will not be adversely affected before selecting the Restore Defaults option.

The following operating parameters are accessible via SPECTRUM Element Manager. The restored defaults will be visible on-screen.

¥Bridge Location to LOCAL

¥Ethernet Port Name (1) to ETHERNET PORT 1

¥Remote Port Name (2) to REMOTE PORT

¥Net 1 Name to LAN_1

¥Net 2 Name to REMOTE LINK

¥Type of STA protocol to IEEE 802.1

Restoring Bridge Defaults

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Cabletron Systems NB30 manual Restoring Bridge Defaults, Viewing the T1 Link Channel Status

Contents

NB30 User’s Guide Page Virus Disclaimer Page Restricted Rights Notice Page Contents Index ContentsIntroduction Using the NB-30 Bridge User’s GuideIntroduction Related ManualsSoftware Conventions Using the MouseDevice Description Common NB-30 Bridge Window FieldsUsing Window Buttons Using On-line Help Accessing On-line DocumentationGetting Help Getting Help from the Cabletron Systems Global Call Center NB-30 Bridge FirmwareIntroduction NB-30 Bridge Firmware NB-30 Bridge Chassis View Viewing Chassis Information Front Panel Information Date Menu StructureUtilities Menu Device MenuHelp Menu Board MenuChassis Manager NB-30 Bridge Port Status DisplayViewing Hardware Types Managing the BridgeEdit Date Window Setting the Device Date and TimeEnabling and Disabling Bridging NB-30 Bridge Chassis View Managing the Bridge Bridging Basics NB-30 BridgingViewing and Managing Bridging Interfaces About Transparent BridgingBridge Status Bridge Location Bridge Status ConditionOK/SQE on Bridge State on InterfaceBridge Status on Remote Port Interface Interface Type Interface NameBridge Port Address Local Ethernet Port Segment NameEnabling and Disabling Bridging Accessing Bridge Status Window OptionsPerformance Graphs Bridge StatisticsFrames Forwarded Frames ReceivedFrames Filtered Nothing Device ErrorsDiscarded Inbound Ethernet Port Only Forwarded OutboundTimeout Remote Port Only CRC ErrorsTotal Errors Out of Window Coll. Ethernet Port OnlyBridge Summary Statistics Window Bridge Summary StatisticsEthernet and Remote Port Statistics Remote Port Statistics Window Packets Filtered Blue Ethernet Port Only Xmit Aborts Ethernet Port OnlyOOW Ethernet Port Only Bridge Spanning Tree TimeoutFraming GiantsBridge Spanning Tree Window Bridge Level Parameters Protocol Forwarding DelayHello Time Max AgeBridge Port Level Parameters Topology Conﬁguring Spanning TreeChanging Bridge Priority Changing the Spanning Tree Algorithm Protocol TypeChanging Forwarding Delay Time Changing Hello TimeChanging Max Age Time Filtering Database Changing Port PriorityChanging Path Cost NB-30 Bridging Number TypeCapacity Ageing TimeList Conﬁguring the Filtering DatabaseAddress Port FilteringChanging the Type of Entry Changing the Port Filtering ActionAdding or Deleting Individual Filtering Database Entries Erasing Entries from the Permanent or Acquired Databases DSX-1 SummaryBridge DSX-1 Summary Window Conﬁguring, Running, and Checking the Loopback TestViewing the T1 Link Channel Status Restoring Bridge DefaultsSelect Restore Defaults Resetting Bridge CountersSelect Reset Counters Restarting the BridgeNB-30 Bridging Restarting the Bridge NB-30 Bridging Restarting the Bridge Index Index-2 Index-3 Index Index-4