Cabletron Systems TRBMIM User Manual Download Page 1

 

TRBMIM/TRBMIM-T

LOCAL MANAGEMENT

USER’S GUIDE

 

BOOKTITLE2 OPTIONAL 

Summary of Contents for TRBMIM

Page 1: ...TRBMIM TRBMIM T LOCAL MANAGEMENT USER S GUIDE BOOKTITLE2 OPTIONAL ...

Page 2: ......

Page 3: ...IN IT EVEN IF CABLETRON SYSTEMS HAS BEEN ADVISED OF KNOWN OR SHOULD HAVE KNOWN THE POSSIBILITY OF SUCH DAMAGES Copyright 1996 by Cabletron Systems Inc P O Box 5005 Rochester NH 03866 5005 All Rights Reserved Printed in the United States of America Order Number 9030857 03 July 1996 SPECTRUM LANVIEW and Remote LANVIEW are registered trademarks and TRBMIM TRBMIM T TRMM TRMMIM TRMIM and MMAC are trade...

Page 4: ... or modifications made to this device which are not expressly approved by the party responsible for compliance could void the user s authority to operate the equipment DOC NOTICE This digital apparatus does not exceed the Class A limits for radio noise emissions from digital apparatus set out in the Radio Interference Regulations of the Canadian Department of Communications Le présent appareil num...

Page 5: ...l be interpreted and governed under the laws and in the state and federal courts of New Hampshire You accept the personal jurisdiction and venue of the New Hampshire courts EXCLUSION OF WARRANTY AND DISCLAIMER OF LIABILITY 1 EXCLUSION OF WARRANTY Except as may be specifically provided by Cabletron in writing Cabletron makes no warranty expressed or implied concerning the Program including its docu...

Page 6: ...espects is proprietary data belonging to Cabletron and or its suppliers For Department of Defense units the product is licensed with Restricted Rights as defined in the DoD Supplement to the Federal Acquisition Regulations Section 52 227 7013 c 1 ii and its successors and use duplication disclosure by the Government is subject to restrictions as set forth in subparagraph c 1 ii of the Rights in Te...

Page 7: ... 8 2 7 2 Accessing LM Via Remote Modem Connection 2 8 2 7 3 Disconnecting A Current LM User 2 8 CHAPTER 3 WORKING WITH LOCAL MANAGEMENT 3 1 Describing Keyboard Functions 3 1 3 2 Accessing Screens 3 2 3 3 LM Screen Elements 3 2 3 3 1 Describing LM Screen Fields 3 3 3 3 2 Working With Input And Toggle Fields 3 3 3 3 3 LM Application Messages 3 4 3 3 4 Exiting An LM Screen 3 5 3 3 5 Exiting LM 3 5 CH...

Page 8: ...nd Disabling Single Route Broadcasts 4 21 4 5 6 Assigning A Bridge Number 4 22 4 5 7 Specifying The Single Route Broadcast Mode 4 22 4 5 8 Assigning The Bridge Label 4 24 4 5 9 Assigning The Bridge Path Cost 4 24 4 6 The LAN Net Manager Assignment Screen 4 25 4 6 1 Creating Passwords 4 26 4 6 2 Enabling Frame Forwarding 4 27 CHAPTER 5 DEVICE STATUS MENU 5 1 The Chassis Status View Screen 5 2 5 1 1...

Page 9: ... A Counter Mode 7 1 7 1 1 Using The Accumulative Counter Mode 7 2 7 2 Specifying The Screen Update Interval 7 2 7 3 Describing Bridge Statistics 7 3 CHAPTER 8 SNMP TOOLS SCREEN 8 1 Describing SNMP Tools Screen Fields 8 2 8 2 Specifying A MIB Community Name 8 4 8 3 Getting And Setting Variables 8 4 8 4 Scrolling Through MIB Variables 8 7 8 4 1 Using The Walk Command 8 7 8 4 2 Using The Cycles Comma...

Page 10: ...CONTENTS viii ...

Page 11: ...M for information specifying bridge management module capabilities and configuration installation operation cabling and troubleshooting procedures 1 1 DOCUMENT CONVENTIONS Document conventions are listed as follows Bold Italics is used for references to Cabletron Systems documents and other publications The Local Management screen font as it appears on the screen is used for references to LM scree...

Page 12: ...s accessible for each TRBMIM TRBMIM T operational mode Chapter 2 Accessing Local Management describes how to set up the management terminal VT series terminal or PC connection via console cable or remote modem connection It also describes management terminal and modem communication parameters and how to access LM via Telnet Chapter 3 Working with Local Management describes how to work with Local M...

Page 13: ...resources are active in the TRBMIM TRBMIM T using the Component Status screen Chapter 6 Device Statistics Screen describes how to monitor network performance on both the FNB ring and the ring interfacing with the bridge Station port Chapter 7 Bridge Statistics Screen describes how to monitor bridge traffic on both the FNB port and the bridge Station port Chapter 8 SNMP Tools Screen describes how t...

Page 14: ... Traps screen Ring Security screen Bridge Setup screen LAN Net Manager Assignment screen Device Status menu From the Device Status menu you can select these applications Chassis Status View screen Component Status View screen The following application screens are also available from the Main Menu Bridge Statistics screen SNMP Tools screen Device Statistics screen See Chapter 2 for information on a...

Page 15: ... Local Management Flash Image Version x xx xx BRIDGE SETUP LAN NET MANAGER RING SECURITY STATUS SETUP CHASSIS STATUS COMPONENT STATUS RETURN TRBMIM Local Management Flash Image Version x xx xx SNMP TOOLS TRBMIM Local Management Flash Image Version x xx xx DEVICE STATISTICS TRBMIM Local Management Flash Image Version x xx xx SOURCE ROUTING BRIDGE STATISTICS TRBMIM Local Management Flash Image Versi...

Page 16: ...M TRBMIM TRMMIM Installation Guide included with the TRBMIM for information about operational mode specifications and selecting an operational mode The title of a LM screen indicates the current operating mode of the TRBMIM TRBMIM T When the TRBMIM TRBMIM T is in the Bridge Only mode the LM screen displays this title TRBMIM BRIDGE LOCAL MANAGEMENT When the TRBMIM TRBMIM T is in the Bridge Manageme...

Page 17: ...agement Access LM APPLICATION System Level Yes limited No access to Beacon Recovery fields Yes SNMP Community Names Yes Yes SNMP Traps Yes Yes Ring Security No Yes Bridge Setup Yes Yes LAN Net Manager Yes Yes Chassis Status View No Yes Component Status View Yes Yes Device Statistics No Yes Bridge Statistics Yes Yes SNMP Tools Yes Yes Note The degree of access to these applications depends on your ...

Page 18: ...INTRODUCTION 1 8 ...

Page 19: ...tion VT series terminal or VT type terminal running VT series software IBM or compatible PC running a VT series emulation program 2 2 CONNECTING A VT SERIES TERMINAL Use the RS 232 console cable and the RJ45 to DB25 VT series adaptor shipped with the TRBMIM TRBMIM T to connect the VT series terminal as shown in Figure 2 1 To connect the VT series terminal 1 Insert the cable s DB9 connector into th...

Page 20: ...2 Attach the PC RJ45 to DB9 adaptor to the RJ45 connector at the other end of the cable 3 Connect the adaptor into the appropriate serial communications port on the PC as specified in the user instructions included with the PC See Section 2 5 for terminal setup parameters Figure 2 2 Connecting a PC Example TOKEN RING BRIDGE C S N O L E O VT Series RJ45 to DB25 LM Console Port Adaptor Vt Terminal D...

Page 21: ... modem connection 1 Insert the cable s DB9 connector into the LM Console port 2 Attach the RJ45 to DB25 modem adaptor to the RJ45 connector at the other end of the cable and insert it into the modem s communications port See Section 2 6 for modem setup parameters Figure 2 3 Connecting a Modem Example TOKEN RING BRIDGE C S N O L E O LM Console Port Modem Modem RJ45 to DB25 Adaptor Terminal DB9 Cons...

Page 22: ... communication parameters Table 2 1 Terminal Settings for LM Console Menu Parameter Setting Display Setup Columns 80 Columns Controls Interpret controls Auto wrap No Auto wrap Text Cursor No Cursor General Setup Mode VT100 7 bit control Cursor keys Normal cursor keys Communications Setup Transmit values from 2400 to 19 200 accepted Receive Receive transmit Bits parity 8 Bits no parity Stop Bit 1 S...

Page 23: ...the following parameter settings in the PC s terminal emulation application Menu Selection Parameter Setting Communications Baud Rate 300 or greater Data Bits 8 Stop Bits 1 Parity None Flow Control None Parity Check Blank Carrier Detect Blank Terminal Preferences Terminal Modes Line Wrap Sound CR CR LF Blank Columns 80 Translation None Terminal Font Fixedsys Show Scroll Bars Blank Buffer Lines 100...

Page 24: ...nter the following commands in the settings file Command Line Function ATS0 1 CR Set for auto answer on first ring ATL1 CR Set volume low AT R0 CR Follow standard RS232 RTS operation ATM1 CR Speaker until signal active ATQ1 CR Disable result codes AT W0 CR Save changes to NVRAM profile 0 AT W1 CR Save changes to NVRAM profile 1 4 Connect the modem that you just configured to the TRBMIM TRBMIM T Yo...

Page 25: ...id password the cursor returns to the beginning of the password field otherwise the Main Menu screen shown in Figure 1 1 appears NOTE The default password provides Super User Community Name access privileges to LM See Section 4 2 for more information about establishing Community Names to control access to LM applications TRBMIM CHASSIS LOCAL MANAGEMENT Cabletron Systems Incorporated P O Box 5005 R...

Page 26: ... for the TRBMIM TRBMIM T 2 7 2 Accessing LM Via Remote Modem Connection To access LM via modem connection 1 Turn on the modem The modem must be set for Auto Answer and Data Carrier Detect must be active Refer to your modem s user manual for operating instructions 2 Call the modem attached to the TRBMIM TRBMIM T The LM Password screen appears see Figure 2 4 after you have established the connection...

Page 27: ...nection by a screen message Figure 2 6 Disconnection Query Response The next chapter describes how to access LM applications and how to work with LM application fields A TRBMIM Local Management Session is currently in use This prompt will time out in 60 seconds Would you like to disconnect that user A TRBMIM Local Management Session is currently in use This prompt will time out in 60 seconds Would...

Page 28: ...ACCESSING LOCAL MANAGEMENT 2 10 ...

Page 29: ...ion Arrow Use the Arrow keys to move the screen cursor either up down left or right on all screens Enter or Return Use whichever key is available on your keyboard to enter parameters typed into Input fields and to execute commands Use it also to choose options from Toggle fields where specifically indicated Minus Use the Minus key to decrease screen refresh intervals Use it also to select a bridge...

Page 30: ...nutes of inactivity and defaults to the LM password screen Press any key on the keyboard to keep an LM session active TRBMIM CHASSIS LOCAL MANAGEMENT Flash Image Version x xx xx SYSTEM LEVEL System Date 05 13 96 System Time 02 02 00 IP Address Subnet Mask Station 134 141 148 232 255 255 0 0 FNB 134 141 148 232 255 255 0 0 COM1 N A COM2 CONSOLE Enable Beacon Recovery YES Number of Retries 000 100 9...

Page 31: ...ey are always in boldface Read Only fields provide information about screens and their functions for example System Level You cannot modify Read Only fields Read Only fields are never in boldface 3 3 2 Working With Input And Toggle Fields To work with Input and Toggle fields 1 Select a field from a screen by moving the cursor to it using the Tab key or arrow keys 2 Choose options from Toggle field...

Page 32: ...ation Table 3 2 lists and describes sample Event Confirmation messages NOTE Not all TRBMIM TRBMIM T LM screens are functionally identical For example The Ring Security screen does not include the SAVE command It includes instead the combination SAVE EXECUTE command used to immediately put into effect the parameters you enter Also the Bridge Setup screen includes a REBOOT field used to reset the TR...

Page 33: ...een 3 3 5 Exiting LM To exit LM 1 Return to the Main Menu screen using the steps described in Section 3 3 4 2 Select the EXIT command at the bottom of the Main Menu screen 3 Press the Enter key The Local Management Password screen appears The next chapter describes how to work with options available from the Main Menu screen Table 3 3 Field Sensitive Help Messages Message Interpretation Press SPAC...

Page 34: ...WORKING WITH LOCAL MANAGEMENT 3 6 ...

Page 35: ...ifferent LM user groups Assign IP addresses of Network Management Stations NMS to which the TRBMIM TRBMIM T issues traps Establish a ring security database to control which stations enter the ring Configure Source Route bridge parameters for the FNB and Station ports on the TRBMIM TRBMIM T Set passwords that allow IBM s LAN Net Manager to access the TRBMIM TRBMIM T Figure 4 1 Device Setup Menu TRB...

Page 36: ...istered MAC Addresses IP Addresses and Subnet Masks See Section 4 2 for information about establishing access privileges TRBMIM CHASSIS LOCAL MANAGEMENT Flash Image Version x xx xx SYSTEM LEVEL System Date 05 13 96 System Time 02 02 00 IP Address Subnet Mask Station 0 0 0 0 0 0 0 0 FNB 0 0 0 0 0 0 0 0 COM1 N A COM2 CONSOLE Enable Beacon Recovery YES Number of Retries 000 100 999 infinite 004 Retry...

Page 37: ...ress the Enter key If the format is invalid the INVALID FORMAT ENTERED message appears Re type the date using the correct format 3 Select SAVE and then press the Enter key The SAVED OK message appears To set the time 1 Select the System Time field 2 Type the time into the field in a HH MM SS format and then press the Enter key If the format is invalid the INVALID FORMAT ENTERED message appears Re ...

Page 38: ... Address field 4 Repeat Steps 1 through 3 to set the address for the other port 5 Select SAVE and then press the Enter key The SAVED OK message appears 4 1 3 Setting The Subnet Mask Subnets are logical divisions of the network that serve to isolate groups of devices The Subnet Mask setting determines how the TRBMIM TRBMIM T directs SNMP Trap messages to a destination address See Section 4 3 for in...

Page 39: ...MAT ENTERED message appears Retype the mask using the correct format 4 Repeat Steps 1 through 3 to set the address for the other port 5 Select SAVE and then press the Enter key The SAVED OK message appears 4 1 4 Setting Enable Beacon Recovery Fields Beaconing is the part of the standard IEEE 802 5 Token Ring process by which a Token Ring LAN attempts to recover from cable or hardware problems by a...

Page 40: ...earest Active Upstream Neighbor NAUN The beacon type The port s and or modules left in bypass The duration of the beaconing condition Enable Beacon Recovery You can use the Enable Beacon Recovery field to enable or disable the ABRP for the Ring In Ring Out RI RO ports on Media Interface Modules under TRBMIM TRBMIM T management control YES is the default setting in this field and it indicates that ...

Page 41: ...100 Retry RI RO ports n times n 1 100 999 Infinite retries 101 998 Not accepted To set the number of retries 1 Select the Number of Retries field and type in an allowed value 2 Select SAVE and then press the Enter key The SAVED OK message appears Retry Interval You can use the Retry Interval field to specify the interval in seconds between retries Interval values must be specified as multiples of ...

Page 42: ...tations use it by default You can use the Locally Administered field to assign a MAC address to the FNB port and the STN port The Locally Administered address replaces the Physical address after the TRBMIM TRBMIM T is reset To set the Locally Administered address 1 Select the Locally Administered field for the port you want 2 Type the locally administered address into the field The format for this...

Page 43: ...he selected port reverts to the default Physical MAC address 4 2 THE SNMP COMMUNITY NAMES SCREEN You can use the SNMP Community Names screen shown in Figure 4 3 to assign Community Names or passwords that specify the degree of access to LM applications granted different user groups Figure 4 3 SNMP Community Names Screen Table 4 1 lists LM application access privileges for each Community Name TRBMI...

Page 44: ... Community Names Read Write all fields SNMP Traps Read Destination IP Addresses only Read Write all fields Read Write all fields Ring Security NO ACCESS NO ACCESS Read Write all fields Bridge Setup Read all fields Read Write all fields Read Write all fields LAN Net Manager Read all fields Read Write all fields Read Write all fields Chassis Status View Read all fields Read Write all fields Read Wri...

Page 45: ...ges about network events and device operational statistics Refer to SPECTRUM or Remote LANVIEW documentation for a list of device generated traps Figure 4 4 SNMP Traps Screen NOTE You must have Read Write or Super User access privileges to view and edit the SNMP Traps screen See Section 4 2 for information about access privileges TRBMIM BRIDGE LOCAL MANAGEMENT Flash Image Version x xx xx SNMP TRAP...

Page 46: ...rmat 2 Select the Trap Community Name field 3 Enter the Community Name or device name of the device to receive traps and then press the Enter key The Community Name you enter in this field has no relationship to the Community Names you establish in the SNMP Community Name screen If you press Enter without entering a Community Name the field defaults to public 4 Select the Enable Traps field 5 Ente...

Page 47: ...M T is powered up or reset Figure 4 5 Ring Security Screen NOTE To work with the Ring Security screen you must have Super User access privileges and the TRBMIM TRBMIM T must in the Bridge Management operational mode See Section 4 2 for information about access privileges NOTE Consult the Network Administrator before attempting to establish a ring security list for each of the two rings interfacing...

Page 48: ... You save and execute all your screen changes globally after you have specified other Ring Security parameters for the selected interface 4 4 2 Specifying A Ring Security Mode The Security Mode field provides the following security mode selections Disabled Use this option to temporarily disable ring security It is the factory default setting Alarm Only Use this mode to allow new stations to enter ...

Page 49: ...removed The station must then be physically removed from the ring To specify the security mode for the interface you chose 1 Select the Security Mode field 2 Choose an option using the Enter key 3 Select SAVE EXECUTE and then press the Enter key The SECURITY MODE CHANGED message appears CAUTION Do not activate the ALARM REMOVE security mode until after you have constructed an allowed list of MAC a...

Page 50: ...d from the Disabled mode 2 Select the SAVE EXECUTE command and then press the Enter key The MAC ADDRESSES ADDED TO LIST message appears 4 4 4 Manually Adding Stations To The Allowed List To add a station to the allowed list 1 Select the Stn Edit field 2 Type the MAC address of the station you want to add to the allowed list The correct format for this entry is xx xx xx xx xx xx with values of x ra...

Page 51: ...nd choose Del 5 Select SAVE EXECUTE and then press the Enter key The MAC ADDRESS DELETED message appears and the MAC address disappears from the STATION ADDRESS allowed list 4 4 6 Viewing The Station Address List The Ring Security screen displays 12 addresses at a time You can view additional stations on the list by using the NEXT_SCREEN command from the current screen to invoke the next screen sh...

Page 52: ...using the REBOOT command 1 Select the REBOOT command after you have saved your change s modification procedures are described in following sections and then press Enter The CONFIRM REBOOT Y N message appears 2 Type Y or yes to initiate the reboot or N for no if you do not want to reboot The Power Up Diagnostic screen appears after you initiate the reboot TRBMIM T BRIDGE LOCAL MANAGEMENT Flash Imag...

Page 53: ...ame ring number to different rings Bridge ports connected to the same ring must have identical ring numbers For instance if two TRBMIMs TRBMIM Ts each have their bridge Station ports connected to the same ring e g both connected to the same concentrator then the ports must have the same ring number There may be other bridges and switches on the network which use decimal instead of hexadecimal ring...

Page 54: ...n a whole number from 1 7 3 Highlight SAVE and then press the Enter key The CONFIG SAVED OK REBOOT FOR CHANGE S TO TAKE EFFECT message appears 4 5 4 Specifying Which Broadcast Frames To Limit You can use the APPLY HOP COUNT LIMIT TO field to choose which types of Source Route broadcast frames are subject to the hop count limits set in the HOP COUNT LIMITS field for each bridge port The choices are...

Page 55: ...ollowing states Blocking The port is not forwarding frames thereby preventing frames from duplicating on multiple paths across the network Listening The port is preparing to forward frames but is temporarily stopped to prevent data loops from occurring as bridges used in Spanning Tree make topology changes The learning state is disabled while the active topology stabilizes so that the port does no...

Page 56: ... EFFECT message appears 4 5 6 Assigning A Bridge Number You can assign a unique bridge number to a bridge to identify it from the other bridges also assigned unique bridge identifier numbers on a bridged internetwork Bridge numbers are used by the STP to configure loop free bridged internetworks The default value for the BRIDGE NUMBER field is 1 To assign or change the Bridge Number 1 Select the B...

Page 57: ...d STE frames onto a network segment as a data loop can be created accidentally Though such loops do not degrade the network catastrophically they are still undesirable To choose an SRB mode 1 Select the SINGLE ROUTE BROADCAST MODE field 2 Use the Enter key to choose an option AUTO or MANUAL 3 Select SAVE and press the Enter key The CONFIG SAVED OK REBOOT FOR CHANGE S TO TAKE EFFECT message appears...

Page 58: ...IDGE LABEL field 2 Type in a hexadecimal value within the specified range 0 FFFF 3 Select SAVE and press the Enter key The CONFIG SAVED OK REBOOT FOR CHANGE S TO TAKE EFFECT message appears 4 5 9 Assigning The Bridge Path Cost You can use the BRIDGE PATH COST field to assign a path cost value to the TRBMIM TRBMIM T in a multi bridged internetwork It is used by the STP to assess the comparative cos...

Page 59: ...appears 4 6 THE LAN NET MANAGER ASSIGNMENT SCREEN You can use the LAN Net Manager Assignment screen shown in Figure 4 8 to set passwords that enable IBM s LAN Net Manager software to access the TRBMIM TRBMIM T Figure 4 8 LAN Net Manager Assignment Screen TRBMIM BRIDGE LOCAL MANAGEMENT Flash Image Version x xx xx LAN NET MANAGER ASSIGNMENT OLD NEW NEW Link Password 0 Link Password 1 Link Password 2...

Page 60: ...assword must be entered at the terminal via TRBMIM TRBMIM T LM and must match the password entered in the LAN Net Manager s Bridge Parameters menu screen Password changes made through TRBMIM TRBMIM T LM do not take effect until the changes have been saved and the TRBMIM TRBMIM T has been rebooted To activate password changes 1 Change passwords as described above 2 Select SAVE and then press Enter ...

Page 61: ...rt ENABLED is the default setting for the field To enable or disable frame forwarding 1 Select the FRAME FORWARDING ACTIVE field 2 Use the Enter key to choose an option 3 Select SAVE and then press Enter The CONFIG SAVED OK message appears The next chapter describes how to configure logical FNB connections and enable and disable ports in the MMAC It also describes how to monitor system components ...

Page 62: ...DEVICE SETUP MENU 4 28 ...

Page 63: ... TRBMIM T See the TRBMIM T User s Guide included with the TRBMIM T and the TRMM TRBMIM TRMMIM Installation Guide included with the TRBMIM for information on the modules management capabilities and how to configure the modules for management application and other operational settings referred to throughout this chapter Figure 5 1 Device Status Menu TRBMIM CHASSIS LOCAL MANAGEMENT Flash Image Versio...

Page 64: ...on Fields This section describes various fields on the Chassis Status View screen that provide information about MIMs and allow you to configure MIMs in the MMAC Figure 5 2 points out the various fields Slot Module Number Each module occupies a numbered slot in the MMAC The screen displays a column that contains information about the module occupying each slot For example for an 8 slot MMAC hub Ch...

Page 65: ...corresponding lobe port on a MIM under TRBMIM TRBMIM T management control A Port Status field indicates whether the lobe port is enabled disabled or bypassed and whether or not a device is connected to or inserted into the port TRBMIM CHASSIS LOCAL MANAGEMENT Flash Image Version x xx xx CHASSIS STATUS VIEW 8 7 6 5 4 3 2 1 TR_24A TR_44A TRRF3T TRBMIM TR_44A TR_44A TR_42A TRMM 16 Mb s 16 Mb s 16 Mb ...

Page 66: ...d right A MIM is connected to another MIM to its left and another MIM or the TRBMIM TRBMIM T to its right Attached right A MIM is connected to a module in any slot to its right Detached The TRBMIM TRBMIM T is not inserted into the FNB backplane B Attached left and right Bypassed A MIM is bypassed from other modules forming a separate ring 5 1 2 Selecting A Screen Mode You can specify three operati...

Page 67: ...s Enter The Port Status fields transform to Read Only fields for the OPERATIONAL mode and Toggle fields for the ADMINISTRATIVE or RING OUT ENABLE modes 5 1 3 Viewing Next Previous Screens The Chassis Status View screen can only display 12 ports at a time for each slot It displays the first 12 ports by default You can view and work with additional MIM lobe ports 13 24 or RI RO ports by using the NE...

Page 68: ... States Lobe ports configured for station applications can be in either one of the following four operational states ENB Enabled The port is enabled to allow an attached station to insert into the ring BYP Bypassed The port is disabled and an attached station is not on the ring LNK Linked The port is disabled and an attached station is trying to access the ring by transmitting phantom current INS ...

Page 69: ...ng and Disabling Ports Enabled ports provide access for stations into the Token Ring network disabled ports cannot provide access to the ring until they have been enabled Port Status fields can be set as follows ON Enabled The port is enabled and will allow insertion OFF Disabled The port is disabled TRBMIM CHASSIS LOCAL MANAGEMENT Flash Image Version x xx xx CHASSIS STATUS VIEW 8 7 6 5 4 3 2 1 TR...

Page 70: ...nd the ALL RING PORTS ENABLED messages appear Configuring FNB Connections Use the FNB Connection fields to establish single or multiple rings in the MMAC For example if you want to establish a separate ring you must set the FNB Connection field of the MIM you are isolating into the bypass mode You can do this for each MIM in the MMAC if you want to establish multiple rings Conversely if you want t...

Page 71: ...ational Mode You can use the MIM Operational Mode field at the bottom of each MIM slot column to specify that the MIM operate either under TRBMIM TRBMIM T management or MGMT control or under control of its hardware configuration or AUTO settings MGMT is the default setting To specify the MIM operational mode 1 Select the MIM Operational Mode field for the MIM you want 2 Use the Spacebar to choose ...

Page 72: ...GE TO STN RO SLOT X PORT X help message appears 2 Use the Spacebar to choose STN or RO and then press the Enter key The SLOT X PORT X SET TO RO STN confirmation message appears 5 2 THE COMPONENT STATUS VIEW SCREEN You can use the Component Status View screen see Figure 5 5 to view operating system components active in the TRBMIM TRBMIM T TRBMIM CHASSIS LOCAL MANAGEMENT Flash Image Version x xx xx ...

Page 73: ...e via SNMP Tools or through a MIB Tree utility included with a remote management application TRBMIM CHASSIS LOCAL MANAGEMENT Flash Image Version x xx xx COMPONENT STATUS VIEW COMPONENT NAME Intelligent MIM Local Mgmt Protocol Stack SNMP Agent SR Bridge TRBMIM Telnet Network 1 Network 2 Network 3 REFRESH 3sec RETURN ...

Page 74: ...DEVICE STATUS MENU 5 12 ...

Page 75: ...HASSIS LOCAL MANAGEMENT Flash Image Version x xx xx DEVICE STATISTICS TOTAL INTERFACE 1 STN RING INFORMATION Frames Received 4660692 Active Monitor Addr xx xx xx xx xx xx KBytes Received 658074 Ring Status Normal Errors Received 11 Ring Number 5 Beacon States N A Stations on Ring 250 Ring Purges 0 Ports Enabled 250 Active Monitor Changes 9 Ring Speed Mb s 16 ISOLATING ERRORS NON ISOLATING ERRORS L...

Page 76: ...TER MODE You can specify the period from which you want to view ring statistics by using the Counter mode selection field Counter modes include ACCUMULATE Displays statistics from the time period you specify procedure descibed in Section 6 2 1 DELTA Displays statistics since the last screen refresh 3 to 10 seconds See Section 6 3 for instructions on setting the screen refresh interval TOTAL Displa...

Page 77: ...and then press the Enter key 6 3 SPECIFYING THE SCREEN UPDATE INTERVAL You can specify the interval in seconds between statistics updates when using the Delta Counter mode screen with the REFRESH 3sec field You can choose refresh intervals from 3 to 10 seconds The default interval is 3 seconds To specify the refresh interval 1 Select the REFRESH 3sec field 2 Increase the interval using the Shift P...

Page 78: ...a fault That is the active monitor can isolate the fault s region to the transmitting adapter the receiving adapter the cable and the components between them Table 6 2 lists and describes Isolating Errors Table 6 1 General Statistics Field Description Frames Received Displays the number of frames received by the TRBMIM TRBMIM T KBytes Received Displays the sum in kilobytes of frames received by th...

Page 79: ...lso indicate a problem with the receiver of the reporting node the transmitter of its Nearest Active Upstream Neighbor NAUN or the cabling and hub hardware between them AC Errors Displays the total Address Recognized Frame Copied errors detected on the ring This indicates that the reporting NAUN is faulty The node cannot set the address recognized indicator and or frame copied indicator bits in th...

Page 80: ...ning with no problems and a token is detected by the management station Purge Indicates that the active monitor has issued a ring purge command Communications will be restored when a new token is released Contention Indicates that the ring has entered into the active monitor contention process to determine a new active monitor for the ring Beaconing Indicates that the management station has detect...

Page 81: ...his indicates a possible duplicate address Rcvr Congestion Errors Displays the total number of Receiver Congestion Errors This indicates a station is receiving repeating a frame and recognizes a frame addressed to it but has no buffer space available for the frame Token Errors Displays the total number of Token Errors Token Errors occur when an active monitor does not see a token circulating on th...

Page 82: ...DEVICE STATISTICS SCREEN 6 8 ...

Page 83: ...ou specify procedure described in Section 7 1 1 DELTA Displays statistics since the last screen refresh 3 to 10 seconds See Section 7 2 for instructions on setting the screen refresh interval TOTAL Displays statistics since the last reset TRBMIM BRIDGE LOCAL MANAGEMENT Flash Image Version x xx xx SOURCE ROUTING BRIDGE STATISTICS TOTAL STATION PORT FNB PORT RING NUMBER 1 2 FRAMES RECEIVED Source Ro...

Page 84: ...lear Time in the upper part of the screen and CLEAR in the lower part of the screen appear 2 Select CLEAR and then press the Enter key 7 2 SPECIFYING THE SCREEN UPDATE INTERVAL You can specify the interval in seconds between statistics updates when using the Delta Counter mode screen with the REFRESH 3sec field You can choose refresh intervals from 3 to 10 seconds The default interval is 3 seconds...

Page 85: ...ation and FNB bridge ports Frames Received Displays the number of Source Routed All Routes Broadcast and Single Route Broadcast frames received by the Station and FNB ports Frames Transmitted Displays the number of Source Routed All Routes Broadcast and Single Route Broadcast frames transmitted by the Station and FNB ports Frames Discarded Displays the number of source route bridge frames discarde...

Page 86: ...BRIDGE STATISTICS SCREEN 7 4 ...

Page 87: ...rmation associated with a MIB variable specified by its object identifier OID View MIB variables displayed singularly or in sequence Edit configurable variables T Figure 8 1 SNMP Tools Screen Example NOTE You must have Super User LM access privileges to fully use the SNMP Tools screen See Section 4 2 for information about establishing Community Name passwords TRBMIM T BRIDGE LOCAL MANAGEMENT Flash...

Page 88: ...ess the Dot5 MIB group for each ring are listed as follows Ring1 to access the the logical Dot5 MIB for the Station ring Ring2 to access the logical Dot5 MIB for the FNB ring Furthermore you can assign Read Only ro Read Write rw or Super User su privileges to each Community Name For example if you wanted to access and modify the logical Dot5 MIB for the bridge Station port ring you would assign Su...

Page 89: ... to view each branch collection of related MIB variables and leaves the objects and instances that compose and culminate the branch in order When a walk is initialized SNMP Tools displays the following fields Specified OID Provides the numerical identifier OID of the variable Size Displays the number of bytes needed to store the variable in the TRBMIM TRBMIM T s flash EEPROM Type Specifies the var...

Page 90: ...NITY NAME To specify a MIB Community Name 1 Select the Community Name Field 2 Type in the Community Name of the for the MIB you want and then press the Enter key 8 3 GETTING AND SETTING VARIABLES This section describes how to access and modify a MIB variable after you have specified the appropriate MIB Community Name To get a variable 1 Select GET and then press the Enter key or press F6 The GET O...

Page 91: ... 2 system sysDescr Note that the information displayed is similar to the information displayed by a GetNext or Step operations Figure 8 2 Sample Output from a Get GetNext or Step Operation To get the next variable 1 Select GETNEXT and then press Enter or press F8 The GETNEXT OID F9 field appears 2 Type in the OID or type the part of the OID following the prepend at the field and then press Enter I...

Page 92: ...Types are listed in Table 8 1 The screen displays the DATA field 4 Type the data or value for the variable and then press Enter If accepted the SET OPERATION CODE XXXX OK message appears otherwise an error message is shown Figure 8 3 shows an example Set operation internet mgmt mib 2 system sysLocation Figure 8 3 Sample Input for a Set Operation Table 8 1 Data Types integer OID gauge string IP add...

Page 93: ...ough all remaining variables 1 Select WALK and then press Enter The INITIAL OID F9 field appears 2 Type in the OID and then press Enter LM begins walking through the sublayers of the MIB available from the specified OID Each OID listed displays the specified OID its size its data type and the data value Figure 8 4 displays sample results from a WALK operation Note that results appear similarly whe...

Page 94: ...d 8 4 3 Using The Step Command To scroll through the MIB one OID at a time 1 Select STEP and then press Enter The SPECIFY OID field appears 2 Enter the OID only the suffix is necessary and then press Enter The initial OID s details are displayed including its size its data type and the data value Note that data appears similarly to that generated when using a GET or GETNEXT operation 3 Press Enter...

Page 95: ...very Process ABRP 4 5 enabling and disabling 4 7 number of retries to re enable port 4 7 specifying retry interval 4 7 B Blocking state of bridge port 4 21 BootP server IP address configuration from 4 4 Bridge Setup screen Apply Hop Count Limit To field 4 20 Bridge Label field 4 24 Bridge Number field 4 22 Bridge Path Cost field 4 25 default settings 4 18 Hop Count Limit field 4 20 implementing pa...

Page 96: ...raps 4 11 to 4 12 logical FNB connection between MIMs in the MMAC 5 4 5 8 to 5 9 management and default operating modes for MIMs in the MMAC 5 9 management terminal setup 2 4 modem setup 2 5 passwords to LM 4 9 to 4 11 ring security 4 13 to 4 17 source route bridging parameters 4 18 to 4 25 system parameters 4 2 to 4 9 Console port accessing LM 2 1 to 2 3 D Device Setup menu overview 4 1 Device St...

Page 97: ...ing Active field 4 27 Learning state of bridge port 4 21 Listening state of bridge port 4 21 Lobe port operational states BYP Bypassed 5 6 ENB Enabled 5 6 INS Inserted 5 6 LNK Linked 5 6 Lobe ports converting to Ring out ports 5 10 enabling and disabling 5 7 Local Management accessing application screens 3 2 accessing the Password screen 2 6 2 7 accessing via modem connection 2 3 accessing with a ...

Page 98: ...lating errors frame copied errors 6 7 frequency errors 6 7 lost frame errors 6 7 Revr congestion errors 6 7 token errors 6 7 Numerical identifiers see Object Identifiers O Object identifiers OID 8 3 8 8 P Passwords for LAN Net Manager 4 26 to access MIB groups 8 2 to LM 4 10 PC connecting to the Console port 2 2 VT emulation requirement 2 1 VT terminal emulation program setup parameters 2 4 Port C...

Page 99: ...ingle MIB variable with 8 3 GetNext retrieving the next variable with 8 3 OID Prepend specify a numerical prefix for MIB variables with 8 2 Recall Object identifiers OID command retrieving last used 8 3 Repeat command retrieving MIB variables with 8 4 Step command viewing MIB variables with 8 4 SNMP Traps screen number of trap destinations 4 11 setting and enabling traps 4 12 Spanning Tree Algorit...

Page 100: ...INDEX IX 6 W Walk viewing MIB variables with 8 3 ...

Reviews: