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THE DEVICE SETUP MENU

4-19

Changing the Ring Security Mode

To change the Security Mode:

1. Highlight the Security Mode field.

2. Press Enter to toggle selections (Disabled, Alarm Only,

Remove/Alarm). Select the desired option.

3. Highlight the SAVE/EXECUTE command and press Enter. The

TRMM/TRMMIM enables the selected mode of ring security.

4.5 THE BOOT GATEWAY SCREEN

The TRMM/TRMMIM supports firmware downloads across routers with
Proxy-ARP disabled. The BOOT GATEWAY screen lets you specify the
IP address of the router used to reach the file server for the download.

Figure 4-6. The BOOT GATEWAY Screens

To assign an IP address:

1. Highlight the IP Address field.

2. Type the address into the field. The format for this entry is dotted

decimal notation (xxx.xxx.xxx.xxx, with the value of xxx ranging
from 0 to 255). The screen beeps if non-numerics or adjacent dots are

TRMM LOCAL MANAGEMENT Flash Image Version: 03.00.05

BOOT GATEWAY

IP Address
0.0.0.0

SAVE RETURN

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Содержание TRMM

Страница 1: ...TRMM TRMMIM LOCAL MANAGEMENT USER S GUIDE ...

Страница 2: ...NFORMATION CONTAINED IN IT EVEN IF CABLETRON SYSTEMS HAS BEEN ADVISED OF KNOWN OR SHOULD HAVE KNOWN THE POSSIBILITY OF SUCH DAMAGES CopyrightMarch 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 9030293 02 March 1996 Token Ring LM ETWMIM SNACMIN 12 TRMM TRMMIM TRBMIM TRMIM 12 TRMIM 10R TRMIM 22 TRMIM 20R TR...

Страница 3: ...g Cabletron makes no warranty expressed or implied concerning the Program including Its documentation and media CABLETRON DISCLAIMS ALL WARRANTIES OTHER THAN THOSE SUPPLIED TO YOU BY CABLETRON IN WRITING EITHER EXPRESS OR IMPLIED INCLUDING BUT NOT LIMITED TO IMPLIED WARRANTIES OF MERCHANTABLITY AND FITNESS FOR A PARTICULAR PURPOSE WITH RESPECT TO THE PROGRAM THE ACCOMPANYING WRITTEN MATERIALS AND ...

Страница 4: ...Restricted Rights Clause and its successors and c in all respects 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 restrictio...

Страница 5: ...out Configurations 2 3 2 2 2 Connecting the Console Cable to a Terminal 2 4 2 3 ACCESSING LOCAL MANAGEMENT 2 4 2 3 1 LM Access Restrictions 2 6 CHAPTER 3 USING LOCAL MANAGEMENT 3 1 WORKING WITH LM SCREEN FIELDS 3 1 3 2 THE MAIN MENU SCREEN 3 2 CHAPTER 4 THE DEVICE SETUP MENU 4 1 THE SYSTEM LEVEL SCREEN 4 2 4 1 1 System Date 4 3 4 1 2 System Time 4 4 4 1 3 IP Address 4 4 4 1 4 Subnet Mask 4 5 4 1 5...

Страница 6: ...5 2 5 1 1 Selecting a Chassis Status View Mode 5 2 5 1 2 Describing Static Screen Fields 5 4 5 1 3 Setting the FNB BYPASS MUX Configuration 5 6 5 1 4 Setting Port Status Fields 5 7 5 1 5 Enabling All Ports 5 9 5 1 6 Setting a Module s Operational Mode 5 9 5 1 7 Controlling the Screen View 5 10 5 1 8 Setting the Screen Refresh Interval 5 11 5 2 THE COMPONENT STATUS VIEW SCREEN 5 11 CHAPTER 6 THE DE...

Страница 7: ...CONTENTS vii CHAPTER 7 THE SNMP TOOLS SCREEN 7 1 SNMP TOOLS SCREEN FIELDS 7 1 7 2 GETTING AND SETTING VARIABLES 7 4 7 3 SCROLLING THROUGH MIB VARIABLES 7 6 7 4 INITIATING A FIRMWARE DOWNLOAD 7 7 ...

Страница 8: ...elp and reference sources Chapter 2 Accessing Local Management describes how to setup the management terminal connect it to the management module and access LM s password screen Chapter 3 Using Local Management describes how to work with LM screens and also provides an overview of the application options available from each menu screen Chapter 4 The Device Setup Menu describes all options availabl...

Страница 9: ...t number The version number of the firmware currently installed in your module You can contact Cabletron Systems Technical Support by any of the following methods By Phone 603 332 9400 Monday through Friday 8 AM to 8 PM EST By Mail Cabletron Systems P O Box 5005 Rochester NH 03866 5005 By CompuServe GO CTRON from any prompt By Internet Mail support ctron com By Fax 603 335 4743 1 3 TOKEN RING MANA...

Страница 10: ...wer Supply device monitoring via Cabletron remote management applications i e LANVIEW SPECTRUM Local Management provides the tools to manage the TRMM TRMMIM and all of their attached segments You can change factory defaults configure ring networks via the FNB backplane enable disable ports and view network statistics Other features of Local Management allow you to Assign an IP address and a subnet...

Страница 11: ...eated in this manual Cabletron Systems Multi Media Access Center Overview and Set Up Guide Cabletron Systems TRMM TRMMIM Token Ring Management Module Installation Guide 1 5 RECOMMENDED READING We recommend the following publications if you need more information to understand or implement a token ring network Local Area Networks Token Ring Access Method IEEE Standard 802 5 LAN Troubleshooting Handb...

Страница 12: ...OTE Modem setup and attachment procedures for accessing LM are fully described in the TRMM TRMMIM Token Ring Management Modules Installation Guide 2 1 MANAGEMENT TERMINAL CONFIGURATION You can access Local Management by attaching a management terminal or a modem at the COM 2 Console port on the front of the management module see Figure 2 1 The port supports Digital Equipment Corporation VT200 or V...

Страница 13: ...splay Setup Columns 80 Columns Controls Interpret Controls Auto Wrap No Auto Wrap Text Cursor Cursor General Setup Mode VT 100 7 bit control Cursor Keys Normal Cursor Keys Communications Setup Transmit Transmit 9600 Receive Receive Transmit Bits Parity 8 Bits No Parity Stop Bit 1 Stop Bit Local Echo No Local Echo Port Data Leads Only Auto Answerback No Auto Answerback Keyboard Setup Keys Typewrite...

Страница 14: ...onverts the RJ 45 connector to a 25 pin male connector 2 2 1 Pinout Configurations The pinout configuration for a 9 pin to 25 pin VT series connection cable is listed as follows 9 Pin Male Connector to 25 Pin Female Connector Module End Terminal End Pin 2 Transmit to Pin 3 Receive Pin 3 Receive to Pin 2 Transmit Pin 5 Signal Ground to Pin 7 Signal Ground Pin 7 Request to Send to Pin 5 Clear to Sen...

Страница 15: ... Console Cable to a Terminal To establish a connection between the TRMM TRMMIM and the management terminal 1 Attach the male 9 pin connector to the RS232 port labeled COM 2 or CONSOLE on the front of the management module 2 Attach the female end 25 pin for a VT series terminal or 9 pin for PCs as applicable to the RS232 COMM port on the terminal 2 3 ACCESSING LOCAL MANAGEMENT The TRMM TRMMIM suppo...

Страница 16: ...You can establish a new Super user password at the Community Table screen Refer to Section 4 2 for more information B Press Return If you enter an invalid password the password prompt remains on screen allowing you to enter the correct password When you enter the correct password the MAIN MENU appears as shown in Figure 2 3 indicating that Local Management is ready for operation TRMM LOCAL MANAGEM...

Страница 17: ...h the module the second user will be notified by a screen display Figure 2 4 that a session is already in effect and will be presented with the option to disconnect the current user To execute a response option Type Y or y to disconnect the current LM user or N or n to not disconnect the current LM user and press Enter A message confirming that the current user is being disconnected appears on the...

Страница 18: ...econnect and then gets bumped out again the first user will have to first re attach the management terminal to the module to become eligible to reconnect to LM If a third user attempts to access LM while a second user is already negotiating for a session the third user will simply be refused connection A TRMMIM Local Management Session is currently in use This prompt will time out in 60 seconds Wo...

Страница 19: ...re identification or context for the screens and the fields within them An active editable field is always set in boldface and additionally those enclosed in parentheses or brackets indicate fields that offer selections Use the following steps to alter editable fields 1 Move the cursor to the desired field in the window using the Up Left Right or Down Arrow keys as applicable to highlight the fiel...

Страница 20: ...such as the IP address and Subnet Mask SNMP COMMUNITY NAMES This screen allows you to specify the SNMP Community Names which will be granted access to the TRMM TRMMIM as well as the level accorded each name Read Only Read Write Super user SNMP TRAPS As an SNMP device the TRMM TRMMIM can authenticate an SNMP request and issue traps correspondingly The SNMP TRAPS screen lets you enable the TRMM TRMM...

Страница 21: ...on ports on a board or collectively enable all ports on a board set the boards in your MMAC chassis to management or auto mode and enable or disable FNB MUX connections which attach a board to or detach it from its neighbors or activate the BYPASS MUX COMPONENT STATUS VIEW This selection shows all the TRMM TRMMIM s current components DEVICE STATISTICS The DEVICE STATISTICS Screen lets you view rin...

Страница 22: ...rkstations to which the TRMM TRMMIM will issue traps The entries into the ring security database that establishes which stations can access the TRMM TRMMIM controlled ring The IP address of the router over which firmware can be downloaded to the TRMM TRMMIM from a file server To access the DEVICE SETUP menu from the MAIN MENU highlight the DEVICE SETUP option and press Enter The DEVICE SETUP menu ...

Страница 23: ...mber of retries and the retry interval System Date System Time Locally Administered FNB MAC address To access the SYSTEM LEVEL screen from the DEVICE SETUP menu screen highlight the SYSTEM LEVEL option and press Enter The following sections explain each field on the SYSTEM LEVEL screen and instruct you on how to use them TRMM LOCAL MANAGEMENT Flash Image Version 03 00 05 DEVICE SETUP SYSTEM LEVEL ...

Страница 24: ...t format 4 If the date is correct highlight the SAVE command at the bottom of the screen and press Enter The SAVED message appears on the screen indicating that your changes have been saved to memory TRMM LOCAL MANAGEMENT Flash Image Version 03 00 05 SYSTEM LEVEL System Date 01 01 89 System Time 00 36 18 IP Address Subnet Mask SNMP Agent 134 141 147 112 255 255 0 0 COM1 UPS COM2 CONSOLE Enable Bea...

Страница 25: ...ement module This is needed for SNMP network management capability The IP address is expressed in dotted decimal notation four decimal values between 0 and 255 separated by a period e g 123 123 123 123 With the correct security access you can edit the IP address as follows 1 Highlight the IP Address field 2 Type the address into this field The format for this entry is dotted decimal notation xxx x...

Страница 26: ...ubnet identifying bits of the device s IP address are set to 1 and all bits that correspond to the host portion are set to 0 The TRMM TRMMIM will perform a logical AND operation to a destination trap IP address with the subnet mask to determine which portion of the address identifies the network subnetwork The TRMM TRMMIM then compares the result on a bit to bit basis with the network identifying ...

Страница 27: ...etwork recovery The TRMM TRMMIM as the management station matches address information within the beacon frames i e that of the beaconing station and its NAUN to its own station list i e the board and port indexes of stations connected to the MMAC The TRMM TRMMMIM then checks the fault domain or the region of the network between the two failing ports While the two ports are undergoing the standard ...

Страница 28: ...tes traps to the remote management station on the network which will pinpoint the problem s cause including the beaconing adapter s address its NAUN address beacon type port s and or module bypassed duration that the ring beaconed The network manager must then enable the faulty port before it can be used again This prevents a user from rebooting a problem station which may bring the ring down 4 1 ...

Страница 29: ...conds Selection values are described as follows 0 Disable ring port retries 1 999 n seconds delay between retries To assign a Retry Interval 1 Highlight the Retry Interval field 2 Type the desired value into the field and press Enter 3 Highlight the SAVE command and press Enter The confirmation message Retry Interval Set will appear The changes are saved to memory and will take effect immediately ...

Страница 30: ...essage will appear The changes are saved to memory and will take effect immediately 4 2 THE SNMP COMMUNITY NAMES SCREEN This screen allows you to establish the SNMP Community Names or passwords used for access privileges to the TRMM TRMMIM To access the SNMP COMMUNITY NAMES screen Figure 4 3 from the DEVICE SETUP menu screen highlight the SNMP COMMUNITY NAMES option and press Enter Community names...

Страница 31: ...UNITY NAMES screen Do not forget Super user names or else you will not have full management privileges to your TRMM TRMMIM The following sections briefly describe each field on the SNMP COMMUNITY NAMES screen and instruct you on how to use them 4 2 1 SNMP COMMUNITY NAMES Screen Fields Component Name This field displays the TRMM TRMMIM Chassis Manager and corresponding community names TRMM LOCAL MA...

Страница 32: ...te This allows you to read and write to Local Management fields excluding write privileges to the IP Address Subnet Mask and Community Names Boot Gateway and read privileges to the Super User Community Name The message AUTHORIZATION ACCESS DENIED appears over the Super User name Super User This allows read write access to all modifiable parameters including Community Names IP Addresses Traps and S...

Страница 33: ...the TRMM TRMMIM To access the SNMP TRAPS screen from the DEVICE SETUP menu screen highlight SNMP TRAPS option and press Enter The SNMP TRAPS screen shown in Figure 4 4 appears The following sections provide a brief explanation of each field on the SNMP TRAPS screen and instructions on how to use them Figure 4 4 SNMP TRAPS Screen TRMM LOCAL MANAGEMENT Flash Image Version 03 00 05 SNMP TRAPS Trap De...

Страница 34: ...ps 1 Highlight the Trap Destination field 2 Type in the IP address of the device that will receive trap alarms from the TRMM TRMMIM and press Enter The format for this entry is xxx xxx xxx xxx with the value of xxx ranging from 0 to 255 3 Highlight the Trap Community Name field 4 Type in the community name of the device and press Enter 5 Highlight the Enable Traps field 6 Type Y yes to send alarms...

Страница 35: ...ring security is re enabled automatically You can append the allowed list by temporarily disabling ring security then re enabling it using the Alarms Only feature The TRMM TRMMIM acts as the Ring Security Monitor for the ring and provides security for the entire ring NOTE You should enable only one TRMM TRMMIM per ring for Ring Security You can select two modes of ring security Alarm Only and Alar...

Страница 36: ...o exit the RING SECURITY screen highlight the RETURN menu command and press Enter 4 4 1 Ring Security Screen Definitions The following section provides a brief explanation of each field and command on the RING SECURITY screen Figure 4 5 The RING SECURITY Screen Station Address This field lists the MAC address of each station on the ring security allowed list The list holds up to 250 MAC addresses ...

Страница 37: ...llowed on the ring If you temporarily disable ring security to allow new users to enter the ring you can use the Alarm Only mode to re enable ring security When you select the Alarm Only mode the TRMM TRMMIM stores the MAC address of each station on the ring in the allowed list This saves you from entering MAC addresses one at time using the Stn Edit command Alarm Remove This is the highest level ...

Страница 38: ... to designate which Network Management Stations receive trap alarms refer to the prior section describing the SNMP TRAP screen This ensures that trap alarms generated by ring security arrive at the appropriate destination Building the Allowed List The factory default setting for the Security Mode field is Disabled Ensure that the Security Mode is set to Disabled before you build the allowed list T...

Страница 39: ...Station Address Allowed List To delete stations from the Station Address allowed list NOTE You must set ring security to the Alarm Remove mode to effectively delete a station from the allowed list and keep it off the ring If you delete a station from the allowed list while in the Alarm Only mode the station can re enter the ring and its MAC address will reappear in the allowed list 1 Highlight the...

Страница 40: ... supports firmware downloads across routers with Proxy ARP disabled The BOOT GATEWAY screen lets you specify the IP address of the router used to reach the file server for the download Figure 4 6 The BOOT GATEWAY Screens To assign an IP address 1 Highlight the IP Address field 2 Type the address into the field The format for this entry is dotted decimal notation xxx xxx xxx xxx with the value of x...

Страница 41: ...er The new IP address is displayed 4 Highlight the SAVE command and press Enter The Saved message will appear The changes are saved to memory and will take effect immediately Refer to the router s manual for instructions on how to input the IP address of the file server for the download into the router s setup file ...

Страница 42: ...r station ports on a module or collectively enable all ports on a module Set the modules in your MMAC chassis to either management or automatic operational mode Enable disable or bypass Flexible Network Bus FNB Multiplexer MUX connections The COMPONENT STATUS VIEW screen provides a read only screen that shows all the TRMM TRMMIM s current components To access the DEVICE STATUS screen from the MAIN...

Страница 43: ...NABLE Figure 5 4 for changing Station ports to Ring Out RO ports of modules managed by a TRMM or a TRMMIM To access the CHASSIS STATUS VIEW screen from the DEVICE STATUS menu screen highlight the CHASSIS STATUS VIEW option and press Enter The CHASSIS STATUS VIEW screen shown in Figure 5 2 appears 5 1 1 Selecting a Chassis Status View Mode Figure 5 2 shows OPERATIONAL mode screens depicting the Loc...

Страница 44: ...R4AT TRMMIM TRR4AT TR_24A TRMM 16 Mb s 16 Mb s 16 Mb s 1 ENB 1 ENB 2 ENB 2 ENB 3 ENB 3 ENB 4 ENB 4 ENB 5 ENB 5 ENB 6 ENB 6 ENB 7 ENB 7 ENB 8 ENB 8 ENB 9 ENB 9 ENB 10 ENB 10 ENB 11 ENB 11 ENB 12 ENB 12 ENB MGMT MGMT NEXT OPERATIONAL REFRESH 3sec RETURN TRMMIM LOCAL MANAGEMENT Flash Image Version 03 00 05 CHASSIS STATUS VIEW 8 7 6 5 4 3 2 1 TR_24A TR_10R TRR4AT TRMMIM TRR4AT TR_24A TRMM B 16 Mb s 16...

Страница 45: ...ows an example ADMINISTRATIVE mode screen Figure 5 3 CHASSIS STATUS VIEW Screen ADMINISTRATIVE Mode 5 1 2 Describing Static Screen Fields The CHASSIS STATUS VIEW screen contains fields that provide static or read only fields that provide information about the configuration and operational status of modules in the MMAC NEXT OPERATIONAL REFRESH 3sec RETURN TRMM LOCAL MANAGEMENT Flash Image Version 0...

Страница 46: ...P concentrator RJ 45 TR_20R TRMIM 20R 10 port UTP concentrator w RI RO ports RJ 45 TR_22A TRMIM 22A 12 port UTP active concentrator RJ 45 TR_24A TRMIM 24A 24 port UTP concentrator RJ 45 TR_42A TRMIM 42A 12 port STP active concentrator shielded RJ 45 TR_44A TRMIM 44A 24 port STP active concentrator shielded RJ 45 TRR_A TRRMIM A Active repeater module FO STP TRR_2A TRRMIM 2A 12 port UTP active repea...

Страница 47: ...e Use the NEXT PREVIOUS commands as described in Section 5 1 7 to cycle to and from port index views 5 1 3 Setting the FNB BYPASS MUX Configuration The FNB BYPASS MUX field illustrates the configuration of the FNB or BYPASS Multiplexer which connects Token Ring modules to the backplane Each MIM slot supports a left and right FNB MUX connection and a BYPASS MUX connection excluding the TRMM TRMMIM ...

Страница 48: ...boring MIMs will still be attached via the FNB backplane The TRMM and the TRMMIM cannot be bypassed Bypassed Right B that is the module is bypassed by the module to its right but connected to the module to its left Bypassed Left B that is the module is bypassed by the module to its left but connected to module to its right To configure the FNB or Bypass MUX 1 Select the ADMINISTRATIVE mode 2 Highl...

Страница 49: ...hed station is operational INS Inserted The port is enabled and the attached station is operational inserted onto the ring The OPERATIONAL mode screen shows Ring In Ring Out RI RO ports as either ACT Activated The ring port is ENABLED and connected to the main trunk cabling of the ring WRP Wrapped The associated ring port is in the wrap state In the wrap state there is no access to the main trunk ...

Страница 50: ...tely 5 1 6 Setting a Module s Operational Mode This field can be changed from the ADMINISTRATIVE screen It indicates the operational mode of the module Management Mode TRMM LOCAL MANAGEMENT Flash Image Version 03 00 05 CHASSIS STATUS VIEW 8 7 6 5 4 3 2 1 TR_24A TR_10R TRR4AT TRMMIM TRR4AT TR_24A TRMM 16 Mb s 16 Mb s 16 Mb s RI 13 STN 14 STN 15 STN 16 STN 17 STN 18 STN 19 STN 20 STN 21 STN 22 RO 23...

Страница 51: ...diately 5 1 7 Controlling the Screen View Use the NEXT PREVIOUS fields to cycle to and from a view of Port Indexes not shown in the current screen The NEXT Field Use this selectable field to cycle to the next available screen e g to view Port Index Numbers 13 24 To scroll to the next screen 1 Highlight the NEXT field 2 Press Enter to execute the command The PREVIOUS Field Use this field to scroll ...

Страница 52: ...ays TRMM TRMMIM s operating system and associated components Components are software applications or resources functions which are registered in the TRMM TRMMIM Each component can be given separate Community Name access via SNMP TOOLS or through a remote management application such as Remote LANVIEW Windows MIBTree utility Figure 5 5 The COMPONENT STATUS VIEW Screen NEXT ENABLE ALL PORTS ADMINISTR...

Страница 53: ...protocol stack SNMP Agent The entity for the SNMP management agent RMON Indicates that RMON Remote Network Monitoring is present TRMM or TRMMIM Telnet The entity for Telnet Network 1 2 n Indicates the number of LANs or individual rings currently configured in the MMAC To exit the COMPONENT STATUS VIEW screen 1 Highlight the RETURN command at the bottom of the screen 2 Press Enter The DEVICE STATUS...

Страница 54: ...TATISTICS Screen 6 1 1 Interface Field This field displays the network or FNB interface This field is always 1 for the TRMM TRMMIM TRMM LOCAL MANAGEMENT Flash Image Version 03 00 05 DEVICE STATISTICS DELTA INTERFACE 1 RING INFORMATION Frames Received 639 Active Monitor Addr 00 00 B8 88 75 ED KBytes Received 45 Ring Status Normal Errors Received 0 Ring Number 0 Beacon States 0 Stations on Ring 5 Ri...

Страница 55: ...f all frames detected on the TRMM TRMMIM since it was last powered up or reset Total Errors Received This field displays the total Isolating and Non Isolating Errors detected by the TRMM TRMMIM Beacon States This field displays the total beacon states detected by the TRMM TRMMIM Stations transmit beacons when they detect bit streaming or signal loss on the ring Ring Purges This field displays the ...

Страница 56: ...serted into the ring and therefore cannot determine the ring state Normal indicates the ring is running with no problems and tokens are being 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 active monitor contention process to d...

Страница 57: ... cable problems A power surge may cause the data portion of a frame to be corrupted i e for there to be a non valid bit between the data s start and end delimiters or a Frame Check Sequence error Since these are isolating you can use a network management package to narrow the problem to the station downstream from the error since the fault may have occurred as it was receiving or its upstream neig...

Страница 58: ...n The station transmits abort delimiters to halt frame transmission before its expected end frame sequence These occur when a station s adapter experiences an internal error while it is in the process of transmitting This indicates a failing adapter on the reporting node possibly because it is overheating in an overloaded system The adapter may also issue a hard Internal Error and remove itself fr...

Страница 59: ...t and detects that the frame s Address Recognized Indicator ARI bits are already set 1 This indicates a possible line surge or that another station is duplicating its address It is virtually impossible to have a ring with duplicate addresses since the ring most often will use the hard coded addresses on ring adapters and duplicate addresses are checked for when a station inserts into the ring Howe...

Страница 60: ...ctive monitor does not see a token circulating on the ring before its TVX Timer Valid Transmission time expires e g a lost frame error has occurred or sees a recirculating frame or token The active monitor is then responsible for purging the ring and issuing a new token The major cause for token errors is the disruption of ring synchronization as stations enter or leave the ring Note that token er...

Страница 61: ...lection set from the CHASSIS STATUS VIEW screen TOTAL lets you automatically display statistics since the last power up To select a counter mode 1 Highlight either of the two mode selections the box below shows example options 2 Press Enter to execute the change The corresponding Counter Mode field at the top of the screen will change to reflect the selection 6 2 1 Using the ACCUMULATIVE Mode Use ...

Страница 62: ... the screen 2 Highlight the Clear field and press Enter The Clear Date and Clear Time fields change to reflect the beginning of the time frame from which you want to view network statistics the next time you select the ACCUMULATE mode ACCUMULATE TOTAL REFRESH 3sec CLEAR RETURN ...

Страница 63: ...RMM TRMMIM Refer to Section 4 2 for more information regarding Community Names From SNMP TOOLS screen you can View the information associated with a MIB variable specified by its object identifier OID View MIB variables in sequence from the original OID that you requested You can also view variables by walking or cycling through several OIDs simultaneously or stepping through them one by one Edit ...

Страница 64: ...SNMP GET command to retrieve a value from a single MIB variable SET F7 This field lets you issue an SNMP SET command to store a new value in a modifiable MIB variable GETNEXT F8 This field lets you retrieve the next variable in sequence from the currently selected variable either a new MIB variable or the next instance of the current variable without specifying its OID string TRMM LOCAL MANAGEMENT...

Страница 65: ...e s type e g int integer Data Value Displays the value associated with that variable as read from the TRMM TRMMIM RECALL OID F9 When you perform a GET GETNEXT or SET operation you use RECALL OID to retrieve from memory the last OID used since the board was powered up STEP This field lets you to conveniently walk the MIB one variable at a time by using the Enter key in place of performing continuou...

Страница 66: ...he OID string 4 1 3 D Pressing F9 to recall the last OID entered into the GET OID field and then using the keyboard to modify that OID 3 Press Enter If that variable is not supported by the TRMM TRMMIM s MIBs the message MIB_NO_INSTANCE will be returned otherwise information displays for that variable s data type length and value Refer to Figure 7 2 for sample data from a GET operation internet mg...

Страница 67: ... Note that you can use the OID prepend or the F9 RECALL command key as previously detailed 3 Enter the variable s Data Type and press Enter Possible data types are The screen will then display a DATA field 4 Enter the Data or value for that variable and press Enter If accepted SET OPERATION CODE XXXX OK will display on screen otherwise you will see an error message Figure 7 3 displays a sample SET...

Страница 68: ...ll appear 2 Enter the OID and 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 7 4 displays sample results from a WALK operation Note that results will appear similarly for a CYCLE operation 3 Press any key to stop the walk or wait for MIB WALK COMPLETED to app...

Страница 69: ... new OID string or press F9 to recall the last OID into the GET field 3 Press Enter Continuous GET operations will be performed on the specified OID The information for the specified variable s data type length and value will display in a continuous stream along with the number of GETs performed 7 4 INITIATING A FIRMWARE DOWNLOAD Use the SNMP TOOLS screen to initiate a Flash file download The user...

Страница 70: ...l download Set this integer value to 1 to commit the downloaded image to Flash or 0 to disable If not committed to Flash the downloaded file will be lost at power down ctDLTFTPRequest 1 3 6 1 4 1 52 4 1 5 8 1 5 0 Cabletron s Download TFTP Request OID holds the full pathname of the file to be downloaded Set it to the fully qualified path name of the image file to be downloaded ctDLInitiateColdBoot ...

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