3Com 3C16630A User Manual Download

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Returning Products for Repair

B-5

DUA1663-0BAA03

Returning Products for Repair

A product sent directly to 3Com for repair must first be assigned a

Return Materials Authorization (RMA) number. A product sent to 3Com

without an RMA number will be returned to the sender unopened, at

the sender’s expense.

To obtain an RMA number, call or fax:

05/17/96

Country

Telephone Number

Fax Number

U.S. and Canada

(800) 876 3266, option 2

(408) 764 7120

Europe

31 30 60 29900, option 5

(44) (1442) 275822

Outside Europe, U.S. and Canada

(1) (408) 492 1790

(1) (408) 764 7290

Summary of Contents for 3C16630A

Page 1: ...SUPERSTACK II HUB 10 MANAGEMENT USER GUIDE MANAGEMENT MODULE 3C16630A ADVANCED RMON MODULE 3C16632 Part No DUA1663 0BAA03 Revision 01 Published September 1996...

Page 2: ...forth in subparagraph c 1 ii for restricted Rights in Technical Data and Computer Software clause at 48 C F R 52 227 7013 3Com Ireland c o 3Com Limited ISOLAN HOUSE Brindley Way Hemel Hempstead Herts...

Page 3: ...ment Module 1 3 SuperStack II Hub 10 Advanced RMON Module 1 4 2 INSTALLATION AND SETUP FOR MANAGEMENT Safety Information 2 1 Installing the Management or Advanced RMON Module 2 1 Unpacking 2 2 Disconn...

Page 4: ...nager 2 11 3 USING THE VT100 MANAGEMENT INTERFACE Introduction 3 1 User Interface 3 1 Screens 3 1 Screen Components 3 2 Special Keystrokes 3 4 Screen Map 3 5 Getting Started 3 6 Main Banner 3 6 Logon...

Page 5: ...andards A 1 BABT Approval A 1 Electrical A 2 Processor and Memory A 2 Cable Pin Outs A 3 Protocol Addresses A 5 IPX Addresses A 5 IP Addresses A 5 Obtaining a Network Number A 6 B TECHNICAL SUPPORT On...

Page 6: ...ON SmartAgents E 2 The SuperStack II Hub 10 RMON Implementation E 4 The Management Information Base MIB E 5 Counters E 7 Counters and RMON Alarms E 7 Using Alarms E 11 Audit Log E 12 F INDEX OF MANAGE...

Page 7: ...k II Hub 10 Management Module and SuperStack II Hub 10 Advanced RMON Module and use them to manage SuperStack II stacks via the VT100 interface or an SNMP application A stack is one or more units such...

Page 8: ...to access the facility remotely using a modem and a VT100 terminal or a PC using terminal emulation software How to access the facility remotely over a TCP IP network using Telnet How to access the fa...

Page 9: ...indows based Transcend range please refer to the appropriate manual Transcend Enterprise Manager for UNIX Part No DUA2785 0AAA0X If you are looking for Turn to An overview of the features of the Modul...

Page 10: ...ying documentation and read the sections that describe how to manage SNMP devices Telnet If you wish to manage your SuperStack II Hub 10 stack via Telnet you will need to refer to the manual s supplie...

Page 11: ...Enter vs Type When the word enter is used in this guide it means type something then press the Return or Enter key Do not press the Return or Enter key when an instruction simply says type Text repres...

Page 12: ...Security Architecture MAC Media Access Control MAU Medium Access Unit MIB Management Information Base NVRAM Non Volatile Random Access Memory PROM Programmable Read Only Memory RMON IETF Remote Monito...

Page 13: ...k immediately and automatically takes over Implement security features For example each user is assigned an access level that determines which management parameters the user can view or modify Also en...

Page 14: ...or remotely via a modem This method provides a way of managing the stack in situations where the LAN is not providing a reliable service or where the network manager does not have direct LAN connectiv...

Page 15: ...units in the stack Some SNMP network management applications assume that unit 1 is at the top of the stack If you install the module in the bottom unit the stack may be depicted by the application in...

Page 16: ...ule supports all nine groups of RMON SuperStack II Hub 10 Advanced RMON Module The SuperStack II Hub 10 Advanced RMON Module 3C16632 can be installed wherever its companion module 3C16630A may be used...

Page 17: ...Module The Modules contain static sensitive components that can be irreparably damaged by static generated by the human body Do not touch the components on the circuit board Ensure that you only handl...

Page 18: ...and connect it to the unit Reinstall and power up all the units in the stack as described in the section Power Up Sequence on page 2 6 Unpacking Remove the Hub 10 Module from its packaging taking car...

Page 19: ...e Hub 10 Module CAUTION Before you install the Module set the position of the Disable on Boot switch on the Hub 10 unit If you want to set up resilient links change the position from the factory defau...

Page 20: ...will be twisted as shown in that illustration below Failure to ensure that the connector is correctly oriented can result in damage to the module when the unit is powered up Figure 2 3 Detail Of The...

Page 21: ...stack as described in the section Power Up Sequence on page 2 6 Removing the Hub 10 Module If you need to remove the module perform the following steps 1 Disconnect all the units in the stack from the...

Page 22: ...anel of the unit will flash during the self test At the end of the self test The MGMT LED on the front panel of the management unit will light up steady green The appropriate UNIT number LED on each u...

Page 23: ...Pressing the Reset button causes the Module to be reset This has the same effect as executing the Reset command see Reset on page 3 48 The Configure LED will go on for a few seconds after the Reset b...

Page 24: ...o the pin outs given in Appendix A Chapter 3 describes the VT100 management interface in detail Connecting a VT100 Terminal To connect a VT100 terminal directly to the serial port you need a standard...

Page 25: ...nect the workstation will depend on its manufacturer and model The general guidance given above for terminals will be useful here You must also configure your workstation to use SLIP Consult the opera...

Page 26: ...r you will need to configure the stack s IP parameters before the SNMP manager can communicate with the stack To do this perform the following steps 1 Connect a VT100 terminal configured to 9600 baud...

Page 27: ...hat your Telnet application is emulating a VT100 terminal To open the Telnet session you must specify the IP address of the stack that you entered in step 2 above Check the user manual supplied with t...

Page 28: ...nter the IP configuration of the stack Use the VT100 interface to set up parameters including trap addresses Perform the following steps 1 Connect a VT100 terminal or emulator to the serial port and l...

Page 29: ...ed into sections that cover management tasks These sections broadly follow the division suggested by the main menu Each screen is described and the access level needed to access the screen is indicate...

Page 30: ...t your installation Access levels are described in the section Screen Components on page 3 2 Screen Components The main part of a typical screen contains several different types of item Table 3 1 give...

Page 31: ...is information that you cannot change OK Button Text for a button is shown in upper case letters A button carries out an action A menu screen such as the Main Menu consists of a number of buttons arra...

Page 32: ...ing fields If you are using Telnet or a terminal emulation program you may find that some control keys do not operate or that they activate other functions The Windows terminal emulator uses Ctrl H as...

Page 33: ...User Interface 3 5 DUA1663 0BAA03 Screen Map This diagram shows how the menus are related to each other...

Page 34: ...er size are identical If you are using Telnet or SLIP the wake up procedure is performed automatically When the wake up procedure is successfully completed the main banner is displayed Figure 3 2 Main...

Page 35: ...r the Module The maximum speed is 9600 baud Autoconfigure is disabled If you are unable to obtain the banner screen it is possible that the autoconfigure option has been disabled Check the configurati...

Page 36: ...page 3 49 If you are not logging on as one of the default users your system manager will have assigned you a user name and password The user name determines which of the three access levels monitor m...

Page 37: ...dit User on page 3 21 To carry out a particular management task scroll to the relevant option and press Return The remaining sections of this chapter describe the various Main Menu options Logoff If y...

Page 38: ...he display changes to the Auto Logout screen This screen is shown below Figure 3 5 Auto Logout Screen The Auto Logout screen requests you to enter your password again If the password is correctly ente...

Page 39: ...effect the change Default Router Text Field If necessary enter the IP address of the default router on your network BootP will do this automatically If you change this field reset the Module to effect...

Page 40: ...ial Port Setup on page 3 15 BootP Select Choice Field Enabled Disabled When enabled BootP allows you to download the IP address the SubNet Mask and the Router IP address from a BootP server on your ne...

Page 41: ...3 48 SETUP TRAPS Button Press Return when the SETUP TRAPS button is highlighted to set up the parameters for traps see Trap Setup below SERIAL PORT Button Press Return when the SERIAL PORT button is h...

Page 42: ...ic Throttle Text Field To prevent a remote network manager receiving too many traps at once you can configure the stack to transmit traps with a delay between each trap If several traps are generated...

Page 43: ...ange the serial port parameters with Auto Config already set to Enabled or if you change Auto Config to Enabled you will need to perform the wake up procedure see Main Banner on page 3 6 before commun...

Page 44: ...your VT100 terminal Note that the setting made by automatic configuration is not displayed on the screen The displayed setting is that which will be adopted when automatic configuration is next disab...

Page 45: ...l Create User This screen allows you to create another user who can access the management facility in addition to the default users Delete Users This screen allows you to remove users other than the d...

Page 46: ...s Monitor This allows the user to view the essential operations of the stack and to establish whether or not the stack is operating correctly A user at this level cannot change the operating parameter...

Page 47: ...eld Enabled Disabled To prevent access to the management facilities via the serial port disable access to the facility for each access level To allow you to configure the stack locally in the event of...

Page 48: ...number of SNMP remote management sessions Figure 3 11 Create User Screen User Name Text Field Enter the name of the user The name can be up to 10 characters The user name is case sensitive Password T...

Page 49: ...screen This option is available only for users with security access level Figure 3 12 Delete Users Screen Select the users to delete from the List Box using the spacebar then move the cursor to the DE...

Page 50: ...change any fields To set a new password enter the password in both the New Password and Confirm Password fields If you forget your password refer to the advice in Appendix C Repeater Management This s...

Page 51: ...n be useful to help you get the best out of your network Setup Setup allows you to configure various parameters for the repeater and individual units and ports In many cases the default settings are s...

Page 52: ...3 14 Using The Repeater Management Screen The example screen below shows the screen with port level management selected Figure 3 15 Repeater Management Screen 3Com SuperStack II Repeater Management ST...

Page 53: ...3 provides a summary of port numbering Table 3 3 Port Numbering Unit Product Media Port Numbers AUI Transceiver Module Tcvr 3C16250 FMS 12 port Coaxial 1 to 10 left to right Tcvr 11 AUI 13 3C16265 FM...

Page 54: ...is button is not displayed when Unit is selected CANCEL Button Move the cursor to this button and press Return to go back to the main menu Repeater Statistics You access the Repeater Statistics screen...

Page 55: ...the repeater counters affects all users and clears the counters for all the units and ports on this repeater CANCEL Button Select this button to go back to the Repeater Management screen without clea...

Page 56: ...passed on start up or during a self test this field will show Operational If the field is blank or displays any other message check the Fault Log screen for further information See Fault Log on page 3...

Page 57: ...ay be on the same module or on different modules Each port in the pair can be attached to different media Each resilient pair consists of a main port and a stand by port When the pair is operating nor...

Page 58: ...e Appendix E WARNING Security may be set up at the same time as Resilience but only using a network manager Figure 3 18 Repeater Resilience Screen All the fields are read only To change the configurat...

Page 59: ...changed to Enable Active Port This field shows which port is carrying the traffic the main port or the standby port Pair Enable This field shows whether the resilient link pair is currently enabled o...

Page 60: ...LEAR COUNTERS Button For users with an access level of manager or higher Move the cursor to this button and press Return to reset all the unit statistics counters to zero Clearing the unit s counters...

Page 61: ...ier of the unit you have selected This should be the same as that indicated by the Unit LED on the front of the chosen unit The unit fitted with the Module is always unit 1 Unit Type This field displa...

Page 62: ...up with all ports enabled including AUI and transceiver module ports For an existing unit or replacement unit of the same type the management facility then disables each port whose Port State in the P...

Page 63: ...94967295 is reached the counter will roll over reset to zero automatically After this event the individual figures may give a false impression of network conditions if taken in isolation All the field...

Page 64: ...higher Move the cursor to this button and press Return to reset all the port statistics counters to zero Clearing the port s counters affects the statistics viewed by all users CANCEL Button Move the...

Page 65: ...enable or disable a port that is the main or standby port of a resilient link pair Security Choice Field Enabled Disabled All SuperSatck II Hub 10 units all LinkBuilder FMS II 3C16665 and 3C16672 modu...

Page 66: ...he designated Hub 10 units you can set up secure resilient pairs using a Transcend management application Follow the instructions in the manual for that application Unauthorized Device Action Choice F...

Page 67: ...opriate LEDs even if there is no connection You cannot disable the link pulse for a port that is the main or standby port of a resilient link pair Link State Read only This field shows the connection...

Page 68: ...display the Port Resilience screen Now you can specify the standby unit and port See the field descriptions below If the port you intended to use as standby is not shown in the list box the unit which...

Page 69: ...that it is Disabled on Boot This ensures that a loop will not be created when the unit boots up This means that a standby port can be configured only on a Hub 10 or an FMS II unit and that the Disabl...

Page 70: ...Media Type Read only This field shows the media type for the main port Refer to Table 3 4 on page 3 37 Link State Read only This field shows the connection state of the main port Refer to Table 3 5 on...

Page 71: ...his section An example is where the Disable on Boot switch of the unit with the standby port has been changed to Enable Active Port Choice Field Main Standby Select the port you want to carry the traf...

Page 72: ...ton and press Return to go back to the previous screen either the Repeater Management screen or the Repeater Resilience screen Remote Poll The Remote Poll screen allows you to see if a remote device i...

Page 73: ...there is no response This facility is only available through SNMP management Status The Status screen provides read only information about the Module To display the screen select the STATUS button on...

Page 74: ...mber in case you ever need to contact your technical support representative Upgradeable Software Version This is the version number of the software image stored in the Flash EPROM Please make a note o...

Page 75: ...enerated the fault Make a note of this information which will be useful to your technical support representative in resolving the fault Fault Number The hexadecimal number in this field provides an in...

Page 76: ...actuate the RESET button on the Main Menu screen This is only available to users with manager access level or higher Figure 3 27 Reset Screen Resetting the stack in this way is similar to powering off...

Page 77: ...tuate the INITIALIZE button on the Main Menu screen Figure 3 28 Initialization Screen Select OK to perform the initialization CAUTION Use this operation with great care The unit configuration is clear...

Page 78: ...he protocol used for downloading is TFTP running over UDP IP or IPX and will only work over the network not via the serial port To perform the download a remote TFTP server must be set up File Name Te...

Page 79: ...ctory If so you must give the full path to the file and the filename using a maximum of 30 characters Server Address Text Field Enter the IP or IPX address of the device where the software file contai...

Page 80: ...3 52 CHAPTER 3 USING THE VT100 MANAGEMENT INTERFACE DUA1663 0BAA03...

Page 81: ...983 Class A FCC Part 15 Class A IEC 801 parts 2 5 EN55022 Class B EN50082 1 Environmental IEC 68 to 3Com Schedule Operational 0 C to 50 C BABT Approval For UK Users only The SuperStack II Hub 10 units...

Page 82: ...SuperStack II Hub 10 Advanced RMON Module Power Consumption 3C16665A 46 VA 3C16670A 28 VA 3C16671A 34 VA 3C16672A 34 VA Power Dissipation 3C16665A 156 BTU hr 3C16670A 94 BTU hr 3C16671A 115 BTU hr 3C...

Page 83: ...minal PC or modem to the serial port RS 232C management port Null Modem Cable RS 232C 25 pin to RS 232C 25 pin RS232C Serial Port 25 pin male Screen TxD RxD Ground RTS CTS DSR DCD DTR 1 2 3 7 4 5 6 8...

Page 84: ...25 pin RS232C Serial Port 25 pin male TxD RxD Ground RTS CTS DSR DCD DTR RI 2 3 7 4 5 6 8 20 22 RxD TxD Ground RTS DTR CTS DSR DCD RI 2 3 5 7 4 8 6 1 9 n c n c always required required for handshaking...

Page 85: ...er to each network that wishes to connect to the Internet The second part 100 120 in the example identifies the device within the network Assigning unique device numbers is your organization s respons...

Page 86: ...ork numbers The details are correct at the time of printing but they may change USA InterNIC Network Solutions Attention InterNIC Registration Services 505 Huntmar Park Drive Herndon VA 22070 Telephon...

Page 87: ...tention Asia Pacific Network Information Centre APNIC DOM c o Computer Centre University of Tokyo 2 11 16 Yayoi Bunkyo ku Tokyo 113 Japan Admin Contact Nakayama Masaya MN89 Telephone 81 3 3812 2111 ex...

Page 88: ...A 8 APPENDIX A TECHNICAL INFORMATION CABLE PIN OUTS AND PROTOCOLS DUA1663 0BAA03...

Page 89: ...ated fax service 3Com Bulletin Board Service 3ComBBS contains patches software and drivers for all 3Com products as well as technical articles This service is available via modem or ISDN seven days a...

Page 90: ...ticles from 3TECH 3Com s award winning technical journal and more ThreeComForum on CompuServe ThreeComForum is a CompuServe based service containing patches software drivers and technical articles abo...

Page 91: ...Many suppliers are authorized 3Com service partners who are qualified to provide a variety of services including network planning installation hardware maintenance application training and support se...

Page 92: ...U S and Canada contact your local 3Com sales office to find your authorized service provider These numbers are toll free Country Telephone Number Country Telephone Number Australia Sydney 61 2 959 30...

Page 93: ...horization RMA number A product sent to 3Com without an RMA number will be returned to the sender unopened at the sender s expense To obtain an RMA number call or fax 05 17 96 Country Telephone Number...

Page 94: ...B 6 APPENDIX B TECHNICAL SUPPORT DUA1663 0BAA03...

Page 95: ...rrectly by pressing Return Return Check the settings on your terminal or emulator The parity must set to none the stop bit 1 and the character size 8 The management facility s autoconfiguration works...

Page 96: ...s IP address is correctly recorded by the SNMP manager refer to the user manual for the manager The Telnet workstation cannot access the device Check the device s IP address subnet mask and default r...

Page 97: ...set switch You forget your password and cannot log in If you are not one of the default users monitor manager or security another user having security access level can log in delete your user name and...

Page 98: ...C 4 APPENDIX C TROUBLESHOOTING DUA1663 0BAA03...

Page 99: ...check the cable and cable connections for breaks or damage Auto Partitions The number of times the port or ports have automatically partitioned Autopartitioning occurs when excessive more than 64 con...

Page 100: ...pter card of the device connected to the port that is the source of the problem If the card appears to be operating correctly check the cable and cable connections for breaks or damage Occasionally th...

Page 101: ...re route any cabling which may be affected by external noise sources Too Long Frames Too Long Frames are frames that exceed the maximum size for 802 3 frames 1518 octets If you see a high number of su...

Page 102: ...ber of frames addressed to a single MAC address that is a single device seen at the repeater unit or port Very Long Events A very long event is an event that will cause Jabber Lock Up protection to op...

Page 103: ...icates with the Probe and collects the summarized data from it The console does not have to be on the same network as the probe and can manage the probe by either in band SNMP or out of band connectio...

Page 104: ...informs the network management console directly when the network has entered an abnormal state The console can then use more information from the probe such as history information and packet capture t...

Page 105: ...hich allows the hub to ping another device on the network and record the response time An RMON Alarm can be associated with that response time so that when the response time from the server is poor be...

Page 106: ...ities may be Table E 1 RMON Group Configurations Group Initial Configuration Effect of Power Cycle on Configuration Ethernet Statistics 1 session monitoring the Ethernet repeater traffic configuration...

Page 107: ...if you need memory hungry statistics for instance prolonged packet capture sessions The Management Information Base MIB At the heart of all network management is the Management Information Base or MI...

Page 108: ...pe of information is considered for this counter a3ComEtherStatEntry 15 In simple terms this tells us 1 The formal name of the counter is 3ComEtherStatTxBytes 3Com Ethernet Statistics Transmit Bytes 2...

Page 109: ...or as long as you find convenient These rates will be more meaningful than spot values and may be compared to provide more useful data There is a sound reason for using differences The counters cannot...

Page 110: ...thresholds specific to the activity of the counter being monitored For autocalibration the high threshold is set to 5 above the high tide mark Also the low threshold is set to 20 below the high tide...

Page 111: ...running value has exceeded the high threshold If an action has been assigned to the high threshold that action will be performed 2 No action will be taken because the value has not fallen below the lo...

Page 112: ...port Turn port off Enable port Turn port on Notify and switch resilient port Send Trap If port is the Main of a resilient pair then switch to standby Notify and blip module Send Trap Turn all ports on...

Page 113: ...s The system alarms can be modified but cannot be created or deleted by a user The default values are given in the table below Table E 3 Smart Object Default Values Once alarms have been set up on a m...

Page 114: ...ort will disabled for 5 seconds allowing the storm to subside and preventing the storm from reaching the rest of the network Audit Log The Module keeps an audit log of all management user sessions pro...

Page 115: ...ains a code letter for the type of parameter presented The meanings of these code letters is tabulated below The Page column gives the page number in the current user guide where the use of the parame...

Page 116: ...dcast Frames R 3 26 Repeater Statistics Broadcast Frames R 3 31 Unit Statistics Broadcast Frames R 3 35 Port Statistics Char Size R 3 15 Serial Port Setup Screen CLEAR COUNTERS D 3 26 Repeater Statist...

Page 117: ...47 Fault Log FCS Errors R 3 26 Repeater Statistics FCS Errors R 3 31 Unit Statistics FCS Errors R 3 35 Port Statistics Filename E 3 50 Software Upgrade Flow Control C 3 15 Serial Port Setup Screen Goo...

Page 118: ...28 Repeater Resilience Main Unit ID R 3 39 Port Resilience Management Level C 3 22 Repeater Management Media Type R 3 35 Port Statistics Media Type R 3 39 Port Resilience Media Type R 3 36 Port Setup...

Page 119: ...ESILIENCE B 3 22 Repeater Management Round Trip Time R 3 44 Remote Poll Runt Frames R 3 26 Repeater Statistics Runt Frames R 3 31 Unit Statistics Runt Frames R 3 35 Port Statistics SECURITY B 3 9 Main...

Page 120: ...B 3 9 Main Menu System Up Time R 3 45 Status Screen Target Address E 3 44 Remote Poll Throttle E 3 13 Setup Traps Screen Time since reset R 3 47 Fault Log Too Long Frames R 3 26 Repeater Statistics T...

Page 121: ...etup Unit Port Capacity R 3 33 Unit Setup Units Available R 3 27 Repeater Setup Unit Type R 3 33 Unit Setup Unit Type R 3 31 Unit Statistics Upgradeable Software Version R 3 45 Status Screen User List...

Page 122: ...F 8 APPENDIX F INDEX OF MANAGEMENT ACTIONS AND DATA DUA1663 0BAA03...

Page 123: ...version 3 46 BootP 3 12 BootP select 3 12 broadcast frames D 1 bulletin board service B 1 button APPLY 3 43 CANCEL 3 3 OK 3 3 reset 2 7 buttons 3 3 C cable pin outs A 3 CANCEL button 3 3 char size se...

Page 124: ...in band management 2 9 initialization screen 3 48 IP address allocation of A 6 format A 5 network manager 3 14 repeater setting up 3 11 IP parameters entering for quick start 2 10 IPX address network...

Page 125: ...setup screen 3 36 port state 3 37 port statistics screen 3 35 port type 3 36 power consumption A 2 power dissipation A 2 power supply status 3 34 power up sequence 2 6 Q quick start for SNMP managemen...

Page 126: ...connecting to serial port 2 9 software image version number 3 46 software upgrade 3 50 software upgrade screen 3 50 source address changes 3 36 speed serial port setup 3 16 stacking units 1 2 standar...

Page 127: ...32 3 33 units available 3 27 upgradeable software version 3 46 user access level screen 3 17 user interface overview of 3 1 user name 3 20 users access level 3 20 changing community string 3 21 changi...

Page 128: ...6...

Page 129: ...s uses and can radiate radio frequency energy and if not installed and used in accordance with the instruction manual may cause harmful interference with radio communications Operation of this equipme...

Page 130: ...ELECTRO MAGNETIC COMPATABILITY STATEMENT DUA1663 0BAA03alpha...

Page 131: ...updates are provided 3Com s sole obligation hereunder shall be at 3Com s discretion to refund the purchase price paid by Customer for any defective software products or to replace any defective media...

Page 132: ...ATTEMPTS TO REPAIR OR ANY OTHER CAUSE BEYOND THE RANGE OF THE INTENDED USE OR BY ACCIDENT FIRE LIGHTNING OR OTHER HAZARD Limitation of Liability IN NO EVENT WHETHER BASED IN CONTRACT OR TORT INCLUDING...

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