Cabletron Systems MICROMMAC-22T, 42T manual Ring Security Screen

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LOCAL MANAGEMENT

3.Press the Return key.

If the format is invalid, the “INVALID IP FORMAT” message appears. Re-type the Trap Destination IP address using the correct format.

4.Highlight the Trap Community Name field.

5.Enter the community name of the device to receive traps and then press the Return key.

If you press the Return key without entering a community name, the field defaults to <CR>.

6.Highlight the Enable Traps field.

7.Enter Y (yes) to send traps from the MicroMMAC-T to the destination workstation, or N (no) to prevent traps from being sent.

8.Highlight the SAVE command and then press the Return key.

The “SAVED” message appears indicating that your changes have been saved to memory.

4.3.5 The RING SECURITY Screen

The MicroMMAC-T acts as the Ring Security Monitor for the entire ring. Users who have Super-User privileges can control access to the Token Ring network through the RING SECURITY screen (Figure 4-8). When Ring Security is enabled, the MicroMMAC-T stores in a secure database in NVRAM an allowed stations list consisting of the MAC addresses of up to 255 stations on the network.

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Contents Page Iii FCC Notice Cabletron SYSTEMS, INC. Program License Agreement United States Government Restricted Rights Contents Troubleshooting Local ManagementSaved System Messages Viewing Power UP Diagnostic Tests Contents Overview Chapter IntroductionMicroMMAC-T Overview MicroMMAC-T Features TelnetCable Signal Polarity Speed Fault ProtectionActive TCU Ports Local ManagementRing Speed Switch Cabletron’s Distributed LAN Monitor ModeFlash Eeprom Lanview LEDsReset Button COM Port ApplicationsLCD and LCD Display Button MIB SupportRmon MIB Support Rmon MIB RFC 1271/1513 SupportGroup Subgroup Section Stackable Capabilities BRIDGING/ROUTING Capabilities Typical Stackable Configuration1 SNA/WAN Integration Remote Management CapabilitiesTelnet Capabilities BRIMsRecommended Reading Getting HelpCable Specifications MicroMMAC-T Ports/CablesUTP Cable Specifications Attenuation and ImpedanceUTP Voice Grade and Category 3 Specifications Frequency Impedance AttenuationMaximum Lobe Lengths Type 3 Media FiltersMaximum Number of Stations UTP Maximum Lobe LengthsSTP Cable Specifications STP Cable SpecificationsTypes Frequency Impedance Attenuation Maximum Trunk Lengths STP Maximum Lobe LengthsSTP Cable Type Ring Speed Mbps STP Maximum Drive DistanceMixed Cable Types AttenuationMultimode Fiber Optic Cable Specifications Cable Type Attenuation Maximum Drive DistanceSingle Mode Fiber Optic Cable Specifications Single Mode Fiber Optic Cable SpecificationsFiber Optic Budget Cable RECOMMENDATIONS/TROUBLESHOOTING TemperatureCrosstalk NoiseCOM Port Specifications COM 1/COM 2 PortsTpim Specifications UPSSlip TPIM-T1TPIM-T2 TPIM-T1 PinoutsTPIM-F2 TPIM-T4 PinoutsTPIM-F3 TPIM-F2 SpecificationsParameter Typical Worst Case Value Budget Parameter Typical Minimum MaximumREQUIREMENTS/SPECIFICATIONS General Specifications Power Supply RequirementsOutput Min. Load Max. Load Max Power Environmental RequirementsSafety ServicePhysical Unpacking the MicroMMAC-T Attaching the Strain Relief BracketInstalling the MicroMMAC-T Rack-Mounting the MicroMMAC-TInstalling of Rack-Mount Brackets Wall-Mounting the MicroMMAC-TWall-Mounting the MicroMMAC-T Free-Standing Installation Connecting to a Power SourceResetting the MICROMMAC-T Setting the Ring Speed To reset the MicroMMAC-TTo change the ring speed Setting the Nvram Switch To restore MicroMMAC-T parameters to the factory defaultsConnecting Lobe Port Cabling RJ45 Plug MIC ConnectorRJ45 Plug At TCU At device port10. UTP Configuration Example To attach a lobe segment to a MicroMMAC-T network port 11. STP Configuration ExampleInstalling Tpim Modules Signal RJ45 DB9 Ring-In Ring-OutPinout Cross-Reference for TPIMs Setting Phantom and RI/RO Switches Tpim Installation To install a TPIM, perform the following stepsConnecting STP Segments To connect a TPIM-T1 to a Twisted Pair SegmentConnecting Twisted Pair Segments To connect a segment to a TPIM-T2/-T4Connecting Fiber Optic Link Segments 16. The TPIM-T2/-T4To connect a fiber optic link segment to the TPIM-F2 /-F3 17. The TPIM-F2/-F3Checking the Installation To check MicroMMAC-T installationManagement Terminal Requirements Use Local Management to Do the FollowingManagement Terminal Setup Parameters Attaching the Management TerminalTo attach a management terminal to the MicroMMAC-T Modem Cable Configuration and Setup Terminal Settings for LM TerminalMenu Function Selection Accessing Local Management To access Local ManagementAccessing Local Management via Telnet MicroMMAC-TLocal Management ScreenAccessing Local Management from a Modem Using Local ManagementSetup Menu Screen Main Menu ScreenSetting or Modifying Local Management Screen Fields Working with Local Management ScreensSelecting a Menu Screen Option Exiting a Local Management Screen Exiting Your Local Management SessionSetting the System Date System Level ScreenSetting the System Time Setting the Host IP AddressModifying the Subnet Mask To modify the Subnet MaskSetting the Default Gateway To set the Default GatewaySetting Automatic Beacon Recovery Process Abrp Fields To set the Beacon Recovery field Setting COM 1 and COM 2 Applications Snmp Community Names ScreenTo set the Number of Retries field To set the Retry Interval fieldSnmp Community Names Screen Access Policy Snmp Traps ScreenCommunity Name Editing the Community Name fieldEnable Traps Setting Snmp TrapsTrap Destination Trap Community NameRing Security Screen Ring Security Screen Security Mode Station AddressStn Edit SAVE/EXECUTE NextscreenPreviousscreen ReturnViewing the Revised Allowed List Adding Stations to the Station Address Allowed ListDeleting Stations from the Station Address Allowed List Device Statistics Screen Device StatisticsSelecting the Device Statistics Counter Mode Using the Accumulative Counter ModeSetting the Refresh Field Errors Received Isolating ErrorsAC Errors Ring InformationNON-ISOLATING Errors Lost Frame ErrorsFrame Copied Errors Chassis Status View ScreenMode Next Using the Operational Mode Screen 10. Chassis Status View Operational ScreenTo display the status of ports Using the Administrative Mode Screen To enable and disable select portsTo enable all ports for all modules Using the Ring OUT Enable Mode ScreenTo bypass all ports on a module To reconnect a module to the token ringTo switch to and from STN and RO Component Status ScreenMIB Navigator Screen 13. Component Status View ScreenTo access a list of MIB commands To get help on specific commandsTo escape from the MIB Navigator screen Navigational commands MIB CommandsNavigation Built-In Special Built-In commands SetFlash Download Screen To download a Flash imageDownload Method field To chose the Runtime methodTo choose the Bootprom method Toggle from Runtime to Bootprom using the spacebarUsing Lanview LEDs Lanview LedsUsing the LCD Display LCD DisplayStatic System Messages Static System MessagesDisplayed Message Significance Alarm Messages Alarm MessagesDisplayed Significance Messages Unsaved Failure or Error Messages Unsaved Initialization MessagesSaved System Messages Normal Unsaved Initialization MessagesSaved System Messages Displayed MessageViewing Power UP Diagnostic Tests Responding to Error MessagesTo execute a response option To return to Local ManagementPower Supply Cord