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HP J3178A User's Manual

1. OVEN 50 Sate Law dR ae eee AU Aes aed ual a C 1 Downloading an Operating System 04 C 1 Using TETP To Download the OS File ssc eciee ens een eee oni ee a C 2 Using the SNMP Based HP Download Manager C 4 Using the Switch to Switch Download 05 C 4 Using the Zmodem to Download the OS File C 5 Troubleshooting TFTP Downloads C 6 Transferring Switch Configurations C 8 Spanning Tree Operation Spanning Tree Protocol STP 055 D 1 vii viii Installing the Management Module 1 Installing the Management Module The HP J 3178A AdvanceStack Switch 208 224 Management Moduleis installed into the front of the HP AdvanceStack Switch 208T or 224T In this manual this module will be called the Switch Management Module a i m ee tt Id Ll i 2 4 6 8 10 12 4 16 18 2 2 24 Switch M anagement M odule Figure 1 1 The Switch 208 224 M anagement M odule When installed the Switch Management Module adds these features to your switch Access to the switch console from which you can configure monitor and troubleshoot the switch Access to the switch from SNMP network management programs such as HP AdvanceStack Assistant for controlling the switch using an advanced graphics b
2. straight through RJ 11 telephone modem cable cable Switch with a Management M odule External modem zi PC running a VT 100 terminal program or a VT 100 terminal straight through modem cable External modem b You can also use an internal modem RJ 11 telephone cable Figure 3 2 Example of Remote Access through a M odem Connection 3 4 When you see this message The Switch Console Connecting a Console to the Switch Waiting for speed sense Press enter to continue Press Enter You will then see the switch console Main Menu See Starting and Ending a Console Session on page 3 6 If you want to continue with console management of the switch at this time refer to the rest of this chapter for general console procedures to chapter 4 Configuring the Switch From the Console and to chapter 5 Monitoring Switch Operation From the Console Modem Cable Pin Out Switch end 9 pin male Modem end 25 pin male 2 lt 3 3 gt 2 4 lt lt 7 5 gt 8 6 gt 6 7 5 3 20 4 2 gt 9 3 Signal Tx Rx RTS CTS DSR GND CD OR DCD DTR RI DRS typically on V 24 European modems not connected 3 5 SIOSUDD YAMS SUL The Switch Console The Switch Console Starting and Ending a Console Session Note Starting and Ending a Console Session This section assumes that you have alread
3. SLUTS vI a Selecta configuration item suchas System See figure 3 4 Press EJ for Edit on the Actions line Use or the arrow keys to highlight the item or field Do one of the following e Ifthe parameter has preconfigured values use the Space bar to select a new option the help line instructs you to Select a value e If there are no preconfigured values type in a value the help line instructs you to Enter a value If youwantto change another parameter value return to step 3 Ifyou are finished editing parameters in the displayed screen press and do one of the following e To save any configuration changes you have made or if you have made no changes press S for the Save ac tion e To exit from the screen without saving any changes that you have made press for Cancel Note Some parameter changes are activated when you execute Save and itis therefore notnecessary to reboot the switch after making these changes Butif an asterisk appears next to any menu item you reconfigure it is necessary to reboot the switch to implement the change In this case rebooting should be done after you have made all desired changes and then returned to the Main Menu When you are finished editing parameters return to the Main Menu Ifnecessary reboot the switch by highlighting RebootSwitch and pressing Enter Refer to the Note above 3 10 The Switch Console Using Password S
4. HP J3177A Switch 224T DEFAULT_CONFIG 2 2 2 22 2222 222222 22 2 CONSOLE MANAGER MODE s s Configuration Return to Main Menu SNMP Communities System Trap Receivers Ports Serial Link IPX Service Console Internet IP Service Network Monitoring Port Spanning Tree Return to the console Main menu Use arrow keys to change menu selection and lt Enter gt to execute selection Figure 4 2 The Configuration Menu 2 Use the arrow keys 6 4 and 4 to highlight the configuration topic you want then press Enter 3 Refer to the appropriate sections in the remainder of this chapter for information on configuring specific features S Osu0D an Wud URIMs ap HuunH yuo Configuring the Switch From the Console Configurable Features Note Configuring the Switch From the Console System Configuration This screen configures basic switch management information including sys tem identification information address aging the port LED behavior and time zone parameters HP J3177A Switch 224T DEFAULT_CONFIG Saeeceeeesesesesssessseses CONSOLE MANAGER MODE sqeeeeseeeeseceeeseeeseses Configuration System system name System Name DEFAULT_CONFIG System Contact System Location 16 Mbit s Port LED Mode Link Activity Link Only Address Age Interval min 156606 OFF 66 68 Time Zone 6 6 Daylight Time
5. Spaces are not allowed between the characters on a line Names such as switch208224 must begin with a letter and can only contain letters numbers periods or hyphens 4 11 epsucD an Luu USRIMs ap HuuNnG YUD Configuring the Switch From the Console Configuring the Switch From the Console Configurable Features Caution SNMP Communities This screen enables you to add edit or delete SNMP communities Use this feature if you expect to manage the Switch 208 224 from an SNMP manage ment station You can configure up to five SNMP communities each with either an operator level or a manager level view and either restricted or unrestricted write access For more on this topic refer to chapter 6 Using SNMP To Monitor and Manage the Switch and to the online Help This screen gives an overview of the SNMP communities that are currently configured All fields in this screen are read only HP J3477A Switch 2247 DEFAULT_CONFIG Configuration SNMP Communities Community Name MIB View Write Access public Manager Unrestricted Addand Edit options are used to modify the SNMP options See figure 4 8 Actions gt Add Edit Delete Help Return to previous screen Use up down arrow keys to change record selection left right arrow keys to change action selection and lt Enter gt to execute action Figure 4 7 The SNMP Communities Screen Default Values Deleting the community named public di
6. GQ HEWLETT PACKARD INK Installation and E Reference Guide HP J 3178A HP AdvanceStack Swi ch 208 Management Module HP AdvanceStack Switch 208 224 Management Module Installation and Reference Guide Copyright 1997 Hewlett Packard Company All Rights Reserved This document contains information which is protected by copyright Reproduction adaptation or translation without prior permission is prohibited except as allowed under the copyright laws Publication Number 5966 5228 Edition 1 March 1997 Applicable Product HP J 3178A Switch 208 224 Management Module Hewlett Packard Company 8000 Foothills Boulevard m s 5551 Roseville California 95747 5551 http w ww hp com go netw ork_city Disclaimer The information contained in this document is subject to change without notice HEWLETT PACKARD COMPANY MAKES NO WARRANTY OF ANY KIND WITH REGARD TO THIS MATERIAL INCLUDING BUT NOT LIMITED TO THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE Hewlett Packard shall not be liable for errors contained herein or for incidental or consequential damages in connection with the furnishing performance or use of this material Hewlett Packard assumes no responsibility for the use or reliability of its software on equipment that is not furnished by Hewlett Packard Warranty A copy of the specific warranty terms applicable to your Hewlett Packard products and r
7. Li Li Li Li Li Li i m Z 7z m m z gt Z gt T m kz kd m 1 i i i i i i i i i i i i i i i i i i i i i 1 i i i i i CSUDD apuy uoge dO Guu UoON OS Version A 63 61 Mgmt MAC Address 123456 789012 ROM Version A 61 61 Expansion Module Router Rem Access Up Time 78 hours Memory Total 2 234 686 CPU Util 3 Free 1 528 496 Message Total gt 199 Packet Total 199 Buffers Free z 174 Buffers Free 2 199 Lowest 158 Lowest 196 Missed 6 Missed 6 IP Mgmt Pkts Rx 8 IPX Mgmt Pkts Rx 8 Pkts Tx 12 Pkts Tx 6 Use arrow keys to change action selection and lt Enter gt to execute action yu Figure 5 2 Example of Switch Information This screen tells you the following information about the switch and the Switch Management Module m the version of the OS operating system code m the version of the ROM read only memory code m the MAC address of the Switch Management Module a the identity of the expansion module if one is installed in the Expansion Slot in the back of the switch None indicates that no module is installed Router Rem Access indicates that a router module for example the HP J 3138A Internet Router Module or a remote access module for example the HP J 3230A LanRover 10A by Shiva is installed m adynamic indication of how individual switch resources are being used 5 3 h
8. To get a definition of these commands and their syntax enter Help atthe command prompt When you see MORE at the bottom of the screen m To advance the display one line at a time use Enter m TO advance the display one screen at a time use the Space bar If you want to stop the help listing press 0 How To Use the Advanced Commands 1 To access the command prompt use the arrow keys to highlight Advanced Commands in the Main Menu and press Enter 2 Thecommand prompt appears near the bottom of the screen The textin the prompt matches the System Name parameter For example in the factory default configuration no system name configured the command prompt is DEFAULT_CONFIG 3 Typein the command you want to execute and press Enter For example to set the time to 9 55 a m you would execute the following command DEFAULT_CONFIG time 9 55 Enter How To Exit from the command prompt Type exit and press to return to the Main Menu SUDD YAMS SUL Configuring the Switch From the Console Note Overview This chapter provides an overview of the Switch 208 224 Management Module configuration features Default Configuration In its factory default configuration the Switch 208T and 224T with a Switch Management Module installed automatically operates as a multiport learning bridge All ports are enabled Spanning Tree Protocol supportis disabled and SNMP network management is enabled over IPX and IP
9. by way of Bootp If you wish to fine tune your switch for the specific performance security and diagnostic needs in your network you may choose to reconfigure certain switch parameters In the factory default configuration the Spanning Tree Protocol STP is off However if the topology of your network includes any redundant data paths between switches or bridges you should enable support for STP See Span ning Tree Configuration page 4 17 Configuration Features The Switch Management Module enables you to configure the following switch features F or information on individual config uration parameters use the online Help provided with each configuration screen in the console user interface System page 4 4 Ports page 4 5 IPX Service page 4 6 Internet IP Service page 4 8 SNMP Communities page 4 12 Trap Receivers page 4 14 Serial Link page 4 15 Console page 4 16 Spanning Tree page 4 17 Network Monitoring Port page 4 19 4 1 S Osu0D an Wud yms ap HuunH yuo Configuring the Switch From the Console Configuring the Switch From the Console Overview highlight on any item in the Actions menu indicates that the Actions menu is help line To get Help on individual parameter descriptions Inallscreensexcept the Advanced Commands screen thereisa Help option inthe Actions menu Whenever the Actions menu is active you can display Help for that screen s parameters by
10. function of C 8 requirements for C 8 R reboot See also reset SNMP community and traps 6 3 switch reasons to 3 15 reconfiguring a parameter 3 10 redundant path D 1 spanning tree 4 17 remote console connecting to 3 4 removing the module 1 4 Reset description of button on module 2 1 reset effect on event log 5 14 port counters 5 5 troubleshooting procedure 7 4 types of 7 7 restricted write access SNMP 4 12 RFC 1213 6 2 RFC 1493 6 2 RFC 1515 6 2 RFC 1573 6 2 RFC 1757 6 2 RFC 2037 6 2 RFC SeeAlso MIB RMON 6 2 description 6 4 support 6 4 ROM version displaying 5 3 router gateway 4 9 RS 232 cable for direct console connection 3 3 for modem connection 3 4 S screen refresh interval setting 4 16 security setting a password 3 11 self test 1 4 7 7 Self Test LED 2 2 description of states 7 2 Serial Link Configuration screen 4 15 server Bootp 4 8 setting a password 3 12 severity code definition of 5 12 SNMP 6 1 Communities screen 4 12 how to configure 6 3 how to configure communities 4 12 IP address 6 3 MIB access 5 4 public community 4 12 restricted access 4 12 traps 6 2 v2 agent 6 2 when configuration is activated 6 3 Spanning Tree blocking 4 17 caution 5 11 configuration screen 4 17 default 4 17 forwarding state D 1 g
11. make sure you change with settings on both the terminal and on the switch Change the switch settings first then change the terminal settings and reestablish the console session 3 2 The Switch Console Connecting a Console to the Switch Direct Console Connection Using A Serial Cable and a PC Terminal Emulator or Terminal You can use either a PC emulating a VT 100 terminal such as the terminal application included with Microsoft Windows 3 1 or a VT 100 terminal To directly connect a PC or terminal to a Management Module follow these steps 1 Connect the PC or terminal to the switch s Console RS 232 port on the Management Module using an RS 232 C console cable included with the Management Module If your PC or terminal has a 25 pin connector first attach a 9 pin to 25 pin straight through adapter at one end of the console cable Console RS 232 E y a CHa Reset Clear Q Switch 208 224 Management Module HP J3178A Self Test Fault Console RS 232 Port Figure 3 1 Connecting a PC or Terminal to the Console RS 232 Port 2 Turn on the terminal or PC s power and if using a PC start the PC terminal emulation program When you see this message Waiting for speed sense Press enter to continue Press Enter You will then see the switch console Main Menu See Starting and Ending a Console Session on page 3 6 If you want to c
12. 1 4 Monitor Port configuring 4 19 description of 4 19 monitoring traffic 4 19 multiport bridge 4 1 navigation console interface 3 9 3 10 event log control keys 5 13 Network Monitoring Port screen 4 19 network number IPX 4 6 node address IPX 4 6 Novell Standard IPX MIB support in switch 6 2 0 operator mode when no manager password 3 12 operator password 3 13 definition of 3 11 entering 3 13 lost 3 14 OS download failure C 6 switch to switch download C 4 troubleshooting C 6 version of switch 5 3 6 Index OS download effect on event log 5 14 Outbound Telnet description of 4 16 P packet traffic buffers amount of 5 3 password case sensitivity of 3 13 Clear 7 7 deleting if lost 3 13 if incorrect 3 12 number of characters allowed 3 13 setting Manager and Operator 3 12 when prompt appears 3 6 path cost STP D 2 performance of switch checking 5 3 ping test 7 5 pin out modem cable 3 5 port configuration 4 5 console Seeconsole port displaying data for 5 4 traffic patterns for 5 5 port address table 5 7 sample display 5 9 selecting 5 8 port cost See Spanning Tree port counters displaying 5 5 resetting 5 5 port STP blocked D 1 priority See Spanning Tree proprietary MIB list of 6 2 public SNMP community where used 6 3 Put command
13. Put Upload a switch configuration to a file in a networked PC or Unix workstation using TFTP ZGet Uses a Zmodem compatible terminal emulation program to download a switch configuration file from a PC or Unix workstation connected to the switch s console port either directly or via a modem ZPut Uses a Zmodem compatible terminal emulation program to upload a switch configuration to a file in a PC or Unix workstation connected to the switch s console port either directly or via a modem Can also be used to send the output of certain commands to a file on another device Using Get and Put To Transfer a Configuration Between the Switch and a Networked PC or Unix Workstation To use Get or Put you need the following m ThelP or PX address of the remote PC or Unix workstation that is acting as a TFTP server m Thenameassigned to the configuration file you will use on the remote PC or Unix workstation The Get operation overwrites the switch s current configuration with the newly retrieved configuration The switch then automatically reboots itself C 8 Note File Transfers Transferring Switch Configurations 1 From the Main Menu select Advanced Commands 2 Atthe command prompt execute one of the following commands To upload a configuration to a file on a PC or Unix workstation put IP address CONFIG remote file put IPX address CONFIG remote file To download a configuration from a file on a PC or
14. accessed through a menu driven screen structure that begins at the Main Menu The switch console interface enables you to use a PC or a terminal to do the following m Modify the switch s configuration or provide configuration for Telnet or network management access from an SNMP based management program such as Hewlett Packard s AdvanceStack Assistant ASA Monitor the switch and port status and network activity counters Control console security by configuring passwords Use the switch s event log and some advanced commands to help in troubleshooting m Download new software The Switch 208 224 and its Management Module are shipped with a factory default configuration that enables operation as a multiport learning bridge when installed in a network All ports are enabled Spanning Tree Protocol support is disabled and SNMP network management is enabled over IPX and IP by way of Bootp For this operation connecting a console device is unnecessary However for some of the other uses listed above you will need to use the switch console This chapter describes the following features Connecting a console to the switch page 3 2 Starting and ending a console session page 3 6 The Main Menu F eatures page 3 8 Screen structure and navigation page 3 9 Using password security page 3 11 Rebooting the switch page 3 15 3 1 SIOSUDD YAMS SUL The Switch Console The Switch Console Connecting a Console to the Swit
15. and Fault LEDs and the Management M odule Self Test and Fault LEDs are on for the remainder of the self test The switch and module self tests require approximately 15 seconds total After Self Test The switch Fault LED and the module LEDs Self Test and Fault turn off If the module Fault LED stays on or flashes refer to chapter 7 Trouble shooting in this guide You have now completed installation and verification of the module To configure IP IPXcommunication for the Switch Management Module see chapter 4 Configuring the Switch From the Console Removing the Module The module is removed from the switch by reversing the installation steps described earlier in this document When handling the module be sure to follow the anti static precautions described on page 1 2 To remove the module follow these steps 1 Remove power from the switch by unplugging the power cord 2 Unscrew the two captured screws holding the module in the switch 3 Pull the module out of the slot 4 Replace the Management Slot cover plate Caution Replace the cover plate over the slot using the two screws that hold itin place Be careful not to overti ghten the screws When using the switch the cover plate must always be installed This is required for safety and to ensure proper switch cooling 1 4 Management Module Description Overview The HP AdvanceStack Switch 208 224 Management Module is installed in the Managemen
16. and performs a reset of the operating system Some of the reasons for performing a reboot include m Activating certain configuration changes that require a reboot m Resetting statistical counters to zero m Clearing the switch address table To Reboot the switch use the Reboot Switch option inthe Main Menu If a Manager password has been previously set Reboot Switch appears only if this password is entered at the beginning of the console session HP J3177A Switch 224T DEFAULT_CONFIG 2 2 2 222 2 2 222 22 2 2 22 2 CONSOLE MANAGER MODE s s Main Menu Status and Counters Advanced Commands Event Log Set Passwords Configuration Download OS LOGOUT Reboot Switch the Reboot Switch option Reboots the switch to activate changes momentary shut down Use arrow keys to change menu selection and lt Enter gt to execute selection Figure 3 6 The Reboot Switch Option in the Main Menu 3 15 1PSUDD YAMS SUL The Switch Console The Switch Console Rebooting the Switch Rebooting To Activate Configuration Changes Configuration changes for some parameters become effective as soon as you save them However you must reboot the switch in order to implement any changes to any parameters in the following areas m PX Service m Internet IP Service m Serial Link If configuration changes requiring a reboot have been made the switch console displays an asterisk next to
17. as the log messages displayed in the event log The protocol address and commu nity define which management stations receive the traps Check the event log to help determine why the authentication trap was sent Refer to chapter 3 for information on the event log HP J3477A Switch 2247 DEFAULT_CONFIG Configuration Trap Receivers Send Authentication Traps No No Protocol Address Community Events Sent in Trap Actions gt Edit Save Help Cancel changes and return to previous screen Use arrow keys to change action selection and lt Enter gt to execute action Figure 4 9 The Trap Receivers Configuration Screen Default Values 4 14 Configuring the Switch From the Console Configurable Features Serial Link Configuration Use the serial link configuration screen to adjust the console RS 232 configu ration to customize the connection with the PC terminal or modem you are using for console access Refer to appendix B Modem Configuration for information on modem settings Refer also to Console Configuration on the next page HP J3477A Switch 224T DEFAULT_CONFIG Configuration Serial Link Baud Rate Speed Sense Speed Sense Flow Control XON XOFF XON XOFF Connection Inactivity Time min 6 6 Modem Connection Time sec 66 66 Modem Lost Receive Ready Time msec 466 460 Modem Disconnection Time sec 1 1 Actions gt Edit Save Help Cancel changes and ret
18. can use the switch console to enable STP operation see chapter 4 Configuring the Switch From the Console for those configuration procedures For more information on how STP works see appendix D Spanning Tree Operation Switch Console The Management Module has an RS 232 port to which you can connect a console that can be used to configure monitor and troubleshoot the switch and its ports The console interface can be used out of band from a PC or terminal directly connected to the port or remotely through a modem connection or in band through a Telnet session For more information on the switch console see the section Switch Console Features in chapter 3 The Switch Console Network Management The Management Module has firmware agents on board that provide SNMP Network Management control of the switch support for RMON four groups and HP Embedded Advanced Sampling Environment EASE agents to diagnose net work problems to help optimize network performance For more information the network management features provided by the Man agement Module and how to configure those features see chapter 6 Using SNMP to Monitor and Manage the Switch 2 3 uoadusseq P Pow The Switch Console Note Overview About the Console Interface Theconsoleinterface enables you to recon figure the switch and to monitor the switch status and performance It consists of a series of management screens
19. change action selection and lt Enter gt to execute action aS navigation instructions Actions gt Figure 3 4 Elements of Screen Structure Forms Design The configuration screens in particular operate similarly to anumber of PC applications that use forms for data entry When you first enter these screens you see the current configuration for the item you have selected To change the configuration the basic operation is to 1 press E to select the Edit action 2 navigate through the screen making ALL the necessary configuration changes then 3 press to return to the action line From there you can select to save the configuration changes or to cancel the changes Cancel returns the configuration to the values you saw when you first entered the screen See the next page for specific instructions on using the console screens PSUDD YMMS SUL The Switch Console The Switch Console Screen Structure and Navigation Table 3 1 How To Navigate in the Console Task Actions Execute an action from an Actions gt list Use either of the following methods Use the arrow keys lt Or gt to highlight the action you want to execute then press Enter Press the key corresponding to the capital letter in the action name For example in a configuration menu press E to select Edit and begin editing parameter values Reconfigure edit a parameter setting ora field
20. pressing H The Actions menu is active whenever any of the choices in the Actions menu is highlighted For example HP J3177A Switch 224T DEFAULT_CONFIG Configuration System default values are System Name DEFAULT CONFIG 3 7 shown in brackets System Contact System Location a 16 Mbit s Port LED Mode Link Activity Link Only Address Age Interval min 15666 OFF 66 Time Zone 8 6 pressing H or highlighting Daylight Time Rule None None Help and pressing Enter displays Help for the parameters listed in the upper part of the screen Actions gt Edit Save Help Cancel changes and return to previous screen Use arrow keys to change action selection and lt Enter gt to execute action Figure 4 1 Example Showing How To Display Help To get Help on the actions or data fields in each screen Use the arrow keys fe 5 1 or QJ to select an action or data field The help line under the Actions menu describes the currently selected action or data field For guidance in how to navigate in a configuration screen see the instructions provided at the bottom of the screen or refer to Screen Structure and Navigation on page 3 9 Configuring the Switch From the Console Configurable Features Configurable F eatures How To Access the Switch Configuration 1 Begin atthe Main Menu and select Configuration and the Configura tion menu appears as shown in figure 4 2
21. provide you expert HP technical assistance m Network Phone In Support provides you support at an hourly rate In the U S call 1 800 790 5544 In other countries please contact your local HP Response Center to see if this service is available in your country m HP SupportPack Comprehensive Network Support provides complete prob lem resolution for medium to large interconnected local and wide area networks Contact your HP Authorized Reseller or the nearest HP Sales and Support Office for more information HP offers other hardware support services Please contact your reseller for more information Contents Installing the Management Module Included Parts sii ctoidoceew iad awa eee Rhee a 1 2 Installation Steps scsi geet es a ead ay ach 1 2 Removing the Module see eee 1 4 Management Module Description OVGIMIOW J is chain cisieetaincnids wien unas dake eas de wee 2 1 Module Feat r s 2 c2dciccccnertencrees ation dane Sa eens was 2 3 The Switch Console OVET soni Aiea mene eee ADRS heed home deli 3 1 Connecting a Console to the Switch 3 2 Modeni Cable PIMOUE anice re 3 5 Starting and Ending a Console Session 3 6 Main M nu FEStU reS 2icsicicengis engin ernie aib 3 8 Screen Structure and Navigation 3 9 Using Password Security cesses eee 3 11 Rebooti
22. to examine then press Enter See figure 5 7 above Each port is identified by its port number Monitoring Switch Operation From the Console Status and Counters M enu HP J3477A Switch 2247 666666 616866 66066c 73a261 666 6b 6 661066 606 6b 6 645631 666 6b 6 1a6659 666 6b 6 10d4158 666 6b 6 1e6256 666 6b6 31fead 68 6669 62a9F1 68 6669 6619ed 68 6669 Gab5ac Actions gt Search _ _ DEFAULT_CONFIG Port Address Table Port 16 Guu UoON 4 JPsuo ap uay uoe rdo In this example several MAC addresses accessed through port 16 appear in the initial listing To view any additional addresses that may be in the listing use the Next page action Next page Prey page Help Return to previous screen Use up down arrow keys to sc roll to other entries left right arrow keys to change action selection and lt Enter gt to execute action Figure 5 8 Example of a Port Address Table for a Specific Port 5 9 Monitoring Switch Operation From the Console Status and Counters M enu Spanning Tree STP Information i Use this screen to determine current switch level STP parameter settings and p statistics 4 HP J3177A Switch 224T DEFAULT_CONFIG CONSOLE MANAGER MODE Spanning Tree STP Enabled Yes Switch Priority 32 768 Hello Time 22 Max Age 26 Foward Delay 15 Topology Change Count 8 Time Since L
23. unix To download a configuration from a file on aPC or Unix workstation zget config remote_file dos unix where remote_fileis the name of the file in which the configuration is stored overwrite is one of the following optional values o the default allows a new file to be created but does not allow an existing file to be overwritten 1 creates a new file or overwrites an existing file dos unix is one of the following optional values o the default specifies the DOS file format 1 specifies the Unix file format Ifthe PC or workstation does notrespond to a ZPutor ZGet command within approximately 70 seconds the command times out and control returns to the prompt line C 10 Spanning Tree Operation Note Spanning Tree Protocol STP The Switch 208 224 Management Module uses the IEEE 802 1d Spanning Tree Protocol STP to ensure that only one path at a time is active between any two nodes on the network In networks where there is more than one physical path between any two nodes STP ensures a single active path between them by blocking all redundant paths STP is necessary in such networks because having more than one path between a pair of nodes causes loops in the network which can result ina switch detecting the same node on more than one port This results in duplication of messages leading to a broadcast storm that can bring down the network The default STP setting in the switch is
24. you cannot start a console session at the manager level because of a lost Manager password you can clear the password by getting physical access to the switch and pressing and holding the Clear button on the Management Module for at least one second PSUDD YAMS SUL The Switch Console The Switch Console Using Password Security To Recover from a Lost Operator Password To recover from a lost Operator password delete all passwords as described above then re enter new passwords If you have physical access to the switch press the Clear button on the Management Module to clear all password protection then enter new passwords as described earlier in this chapter If you do not have physical access to the switch you will need the Manager password 1 Begin a console session at the Manager level by entering the Manager password when the password prompt appears 2 Select Set Passwords from the Main Menu 3 SelectDelete Password Protection 4 When you seethe prompt to continue deletion use the Space bar to select Yes then press Enter You will then see the following message Password protection removed This means that both the Manager and Operator passwords have been removed and the switch no longer has password protection 5 Press Enter 6 Set new passwords as described on page 3 12 The Switch Console Rebooting the Switch Rebooting the Switch Rebooting the switch terminates the current console session
25. 2 HP MIB Available on request Contact your HP authorized dealer or local HP sales Extensions office Communication Protocols RFC 786 UDP RFC 791 IP RFC 792 ICMP RFC 793 TCP RFC 826 ARP RFC 854 Telnet RFC 951 Bootp RFC 1350 TFTP Novell IPX A 2 Note Specifications Regulatory Statements FCC Statement For U S A Only Federal Communications Commission Radio Frequency Interference Statement Note This equipment has been tested and found to comply with the limits for aClass A digital device pursuant to Part 15 of the FCC Rules These limits are designed to provide reasonable protection against harmful interference when the equipment is operated in a commercial environment This equipment generates uses and can radiate radio frequency energy and if not installed and used in accordance with the instruction manual may cause harmful interference to radio communications VCCI Class 1 For J apan Only CORE HRUREESERRS AT malheS VCCI ORF KES SBR CT CORBCKERR CRA 5 CER Bea SR CT CEMHVET COMAICIRARMEDOMRE RT o EVERENGCEMHYVET European Community This equipment complies with ISO IEC Guide 22 and EN55022 Class A This is a class A product Ina domestic environment this product may cause radio interference in which case the user may be required to take adequate measures Complies with Canadian EMC Class A requirements A 3 suoReoy bads Modem Configuration Before installing the modems one
26. File Transfers Downloading an Operating System Using the Zmodem to Download the OS File This procedure assumes that the following items have been done The PC is serially connected to the Switch Management Module Console RS 232 port The PC can support the Zmodem file transfer protocol This protocol is supported by the terminal emulator on Windows NT 4 0 and Windows 95 and on communication programs such as Procomm and Reflections The OS software to download has been stored in a file on the PC The OS file is typically available from HP s electronic services refer to the perforated card at the front of this manual From the switch console Main Menu select Advanced Commands At the command prompt enter update This command may not be listed in the Advanced Commands help listing You will see a message asking if you want to overwrite the current OS Enter Y for yes to proceed You should then see the message Jumping to console code Atthe Switch console gt prompt enter do for download You will then see a message about invoking the console download utility and a prompt asking if you wish to continue Enter Y for yes to proceed You will then see the following message Please start ZMODEM download from terminal emulator and ignore any characters that may appear on the next line With whatever terminal emulation program you are using on your PC select the Zmodem file transfer method and send the O
27. L Use the Reset and Clear buttons described in the reset procedures 7 7 Gunocoys ppaL Troubleshooting Troubleshooting Clearing Passwords on the Switch Console Note Clearing Passwords on the Switch Console You can use the Clear button to clear a forgotten console password that was previously configured on the switch To clear the password follow these steps 1 Verify the switch has powered up and passed self test 1 Press the Clear button on the Management Module for at least one second a rer ee LLLLELLILIELII Press the Clear button for at least one second After the password has been cleared access to the switch from the console will no longer be password protected A new password can be assigned from the switch console 7 8 Troubleshooting HP Customer Support Services HP Customer Support Services If you are still having trouble with your switch or Switch Management Module Hewlett Packard offers support 24 hours a day seven days a week through the use of automated electronic services including the World Wide Web HP BBS HP FTP Library Service on the Internet CompuServ HP Network Phone In Support NPS HP FIRST FAX Retrieval Service See the perforated card at the beginning of this manual for information on how to get technical support Y
28. MP communities m Event reporting via SNMP traps and RMON m Managing the switch with a network management tool such as HP AdvanceStack Assistant m Monitoring data normally associated with the SNMP v2 agent Get operations Supported Standard MIBs include e Bridge MIB RFC 1493 Ethernet MAU MIB RFC 1515 e Interfaces Evolution MIB RFC 1573 e Novell Standard IPX MIB ipx mib e RMON MIB RFC 1757 etherstats events alarms and history SNMP MIB I RFC 1213 e Entity MIB RFC 2037 HP Proprietary MIBs include e Statistics for message and packet buffers tcp telnet and timep netswtst mib Port counters forwarding table and CPU statistics stat mib tftp download downld mib e Integrated Communications Facility Authentication Manager and SNMP communities icf mib e HP AdvanceStack Switch 208 224 configuration config mib e HP Embedded Advanced Sampling Environment ease mib The Switch Management Module SNMP agent also uses certain variables that are included in a Hewlett Packard proprietary MIB file you can add to the SNMP database in your network management tool You can copy the MIB file from the HP AdvanceStack Products CD shipped with the Switch Management Module or from following World Wide Web site http www hp com go network_city For more information refer to the perforated card at the front of this manual 6 2 Note Using SNMP To Monitor and Manage the Switch SNM
29. Off If you are using the switch to provide redundant network paths you should reconfigure the Spanning Tree Protocol to On Refer to Spanning Tree Configuration in chapter 4 Con figuring the Switch From the Console for procedures on enabling STP While allowing only oneactive path through a network atany time STP retains any redundant physical path to serve as a backup blocked path in case the existing active path fails Thus if an active path fails STP automatically activates unblocks an available backup to serve as the new active path for as long as the original active path is down In the event of a topology change such as a switch bridge or data link failure STP develops a new spanning tree that may result in changing some switch ports from the blocking state to the forwarding state For example see the illustration on the next page D 1 uoRge edo 30 11 Gumuueds Spanning Tree Operation Spanning Tree Operation Spanning Tree Protocol STP e Active path from node A to node B 1 gt 3 e Backup redundant path from node A to node B 4 gt 2 gt 3 1 3 path cost 2 path cost 100 100 path cost 100 path cost 200 node node Figure D 1 Example of Logical and Redundant Paths Between Two Nodes Index A Actions menu displaying help for commands 4 2 location on screen 3 9 active path STP D 1 address aging description 2 3 from System Co
30. Operation Fromthe Console ng Monitoring Sw itch Operation From the Console Status and Counters M enu Port Status HP J3175A Switch 268T DEFAULT_CONFIG 2 2 22222 2222222 22 2 CONSOLE MANAGER MODE 2 2 22 2 Port Status Port ID Type Media Enabled Status Hode 1 1 Ethernet UTP Yes Up Half Duplex 2 2 Ethernet UTP Yes Up Half Duplex 3 3 Ethernet UTP Yes Up Half Duplex 4 4 Ethernet UTP Yes Up Half Duplex 5 5 Ethernet UTP Yes Up Half Duplex 6 6 Ethernet UTP Yes Up Half Duplex 7 7 Ethernet UTP Yes Up Half Duplex 8 8 Ethernet UTP Yes Down Half Duplex A 9 100TX CSUTP Yes Up 166 Half Dx B 10 160FX Fiber Yes Up 166 Half Dx Actions gt EtG Help Use up down arrow keys to scroll to other entries left right arrow keys to change action selection and lt Enter gt to execute action Figure 5 3 Example of Port Status For each port this screen provides you the following information m Port the port number note that even if a transceiver moduleis not installed in the transce ver slot in the front of the switch port B a port B entry is displayed in thelist ID the port ID number to use for SNMP MIB access Type the network technology type of the port Media the type of network media connected to the port Enabled whether the port is enabled yes or No Status the operational status of the port Up operating correctly or Down not operating correctly m Mode the port s op
31. P Configuration Process SNMP Configuration Process If you are using IP you must either configure the switch with the appropriate IP address or if you are using Bootp to configure the switch ensure that the Bootp process provides the IP address The IPX address is automatically configured The general steps to configuring for SNMP access to the preceding features are 1 From the Main Menu select Configuration 2 Configure an network address for the switch including any necessary gateways a Use the IPX address On IPX networks the switch automatically acquires an IPX address based on the network number and the Switch Management Module MAC address Refer to page 4 6 for more information b UseBootp whichis enabled by default to acquire an IP address Make sure the Bootp server is configured to support this switch Refer to Using Bootp on page 4 9 for more information c Manually configure an IP address Refer to page 4 8 for more infor mation 3 Configure the appropriate SNMP communities The public community exists by default and is used by HP s network management applications For more on configuring SNMP communities refer to page 4 12 4 Configure the appropriate trap receivers For more on configuring trap receivers refer to page 4 14 SNMP community and trap receiver configurations are activated when saved Rebooting the switch is not necessary unless you have also configured other
32. P server is a Unix machine and the case upper or lower for the filename on the server does not match the case for the filename entered forthe Remote File Name parameter in the Download OS screen C 6 Note File Transfers Troubleshooting TFTP Downloads m Oneor more of the Switch Management Module s IP or IPX configuration parameters are incorrect Try pinging the server to test the connectivity m Fora Unix TFTP server the file permissions for the OS file do not allow the file to be copied m Another console session through either a direct connection to a terminal device or through Telnet was already running when you started the session in which the download was attempted If an error occurs in which normal switch operation cannot be restored the switch automatically reboots itself In this case an appropriate message is displayed in the copyright screen that appears after the switch reboots You can display the same information by selecting the Advanced Commands option from the Main Menu and executing the History command C 7 srgysue 1 3 y File Transfers File Transfers Transferring Switch Configurations Note Transferring Switch Configurations You can use the following commands to transfer switch configurations between the switch and a PC or Unix workstation Command Function Get Download a switch configuration file from a networked PC or Unix workstation using TFTP
33. Rule None None Actions gt Edit Save Help Cancel changes and return to previous screen Use arrow keys to change action selection and lt Enter gt to execute action Figure 4 3 The System Configuration Screen Default Values To help simplify administration it is recommended that you configure System Name to a character string that is meaningful within your system Tosetthetime and date set the Time Protocol parameters for your time server page 4 8 or use the time and date commands available under Advanced Commands 10 Mbit s Port LED Mode Usingthis parameter the LE Ds associated with the 10 Mbit s network ports on the switch can be configured to operate in one of two ways m Link Activity In this mode each LED indicates the connection status of the port for 3 seconds after the network cable is first installed and every time the switch is powered on After 3 seconds the LED is used to indicated network activity on that port it flashes briefly with each packet that is either received or transmitted on the port m Link Only In this mode the LED continues to indicate the connection status and does not convert to an activity indicator 4 4 Configuring the Switch From the Console Configurable Features Port Configuration This screen configures the operating state enabled or disabled and mode for each port The available modes for each port type are listed and described in the online help for the scre
34. S file for example j3317801 cmp as a binary file to the Switch Management Module Your terminal emulation program should provide information on the success of the transfer and an indication of when it is completed When the OS file transfer completes the switch will automatically reboot and activate the new OS C 5 srgysue 1 3 y File Transfers File Transfers Troubleshooting TFTP Downloads Troubleshooting TFTP Downloads Ifa TFTP download fails the Download OS screen indicates the failure HP J3177A Switch 224T DEFAULT_CONFIG Download OS Method TFTP Protocol IP TFTP Server 15 100 100 1 Remote File Name J317861 CHP Received 6 bytes of OS download transfer J317861 CMP aborted after 6 retransmissions Press any key to continue message Indicating TFTP download failure Figure C 3 Example of Message for Download Failure To find more information on the cause of a download failure examine the messages in the switch s Event Log See Event Log on page 5 11 Some of the causes of download failures include m Wrong protocol specified for the Protocol parameter m Incorrect or unreachable address specified for the TFTP Server parame ter This may include network problems Try pinging the server to test the connectivity m Incorrect name specified for the Remote File Name parameter or the specified file cannot be found on the TFTP server This can also occur if the TFT
35. Unix workstation get IP address CONFIG remote file get IPX address CONFIG remote file where IP_addressor IPX_address is the address of the PC or Unix workstation in which the configuration is to be stored remote_fileis the name of the configuration file in the PC or Unix workstation Using ZGet and ZPut To Transfer a Configuration Between the Switch and a PC or Unix Workstation The PC or workstation must be operating as a VT 100 or ANSI terminal and can be connected either directly or via a modem to the switch s console port Also the PC or workstation must be running a Zmodem compatible terminal emulation program If a manager password has been set you must log on to the switch using that password in order to execute the Zget or Zput commands ZGet overwrites the switch s current configuration with the downloaded configuration To use ZGet or ZPut you need the name assigned to the configuration file on the PC or workstation 1 Onthe PC or workstation start the Zmodem compatible terminal emula tion program then follow the instructions provided with the program to prepare for a file transfer 2 From the switch console s Main Menu select Advanced Commands C 9 srgysue 1 3 y File Transfers File Transfers Transferring Switch Configurations 3 Atthe command prompt execute one of the following commands To upload a configuration to a file on a PC or Unix workstation zput config remote_file overwrite dos
36. al min 726 726 Setting itto yes as shown IP Config Use Bootp Use Bootp here hen bressing or fran IP Address 127 1 254 235 CUBOS de THANE SANE Subnet Mask 255 255 255 0 Address and Timep Poll Gateway Interval parameters to appear For descriptions of these parameters select the Help action for this screen Actions gt Cancel Save Help Edit the fields displayed above Use arrow keys to change action selection and lt Enter gt to execute action Figure 4 6 Example ofthe IP Service Configuration Screen Default Values Configuring the Switch From the Console Configurable Features To manually configure the switch for IP 1 From the Configuration screen select Internet IP Service to display the above screen 2 Press E for Edit 3 Selectthe IP Config field and use the Space bar to select Manual 4 Selectthe IP Address field and enter the IP address you want to assign to the switch 5 Selectthe Subnet Mask field and enter the subnet mask for the IP address 6 If you want to reach off subnet destinations select the Gateway field and enter the IP address of the gateway router 7 Press Enter then 5 for Save 8 Return to the Main Menu and reboot the switch Using Bootp In its default configuration the switch is configured to enable Bootp opera tion However if an IP address has previously been configured or if the IP Config parameter has been set to Disabled then you will
37. ase record is correctly configured Bootp Operation Bootp is used to download configuration data to the switch from the Bootp server that is configured on the switch Either a minimal IP configuration or a full configuration can be retrieved from the Bootp server The switch supports only the DHCP Dynamic Host Configuration Protocol implementations that are backwards compatible with Bootp The Bootp Process Whenever the switch reboots with the IP Config parameter set to Use Bootp the default Bootp requests are broadcast on all local networks When the Bootp server receives the request it searches its Bootp database for a record entry that matches the Switch Management Module MAC address which is in the Bootp request If a match is found the configuration data in the associated database record is returned to the switch For most Unix systems the Bootp database is contained in the etc bootptab file Bootp Database Record Entries An entry in the Bootp table file etc bootptab to update an IP address and subnet mask to the switch configured in the switch would be similar to this entry switch208224 ht ether ha 080009123456 sm 255 255 248 0 1g 11 22 33 44 hn ip 55 66 77 88 vm rfc1048 4 10 Configuring the Switch From the Console Configurable Features An entry in the Bootp table file etc bootptab to tell the switch where to obtain a configuration file download would be similar to this entry switc
38. ased interface Configurable full duplex port operation Configurable support for the Spanning Tree Protocol for switched networks Configurable MAC Address Table aging This chapter shows you how to install your Switch Management Module 1 1 pP Pow raupeuenw oun luas Installing the Management M odule Included Parts Installing the Management Module Caution Included Parts Verify that these parts were included with the product e Switch 208 224 Management Module e HP AdvanceStack Switch 208 224 Management Module Installation and Reference Gui de 5966 5228 this manual e Console cable 5182 4794 HP AdvanceStack Assistant for Windows CD kit HP AdvanceStack Products CD kit Installation Steps Anti Static Precautions Static electricity can severely damage the sensitive electronic components on the module When installing the module in your switch follow these proce dures to avoid damage from static electricity Handle the module by its edges and avoid touching the components and the circuitry on the board Equalize any static charge difference between your body and the switch by wearing a wrist static protector strap and attaching it to the switch s metal body or by frequently touching the switch s metal body while you are installing the module Before installing the Switch Management Module unplug your switch from the power source This protects the module and switch from poten tial el
39. ased on statistical sampling instead of RMON sall inclusive collection schema EASE lessens theload on devices and network bandwidth See the Traffic Monitor portion of the HP AdvanceStack Assistant CD ROM supplied with your Management Module for more infor mation on using EASE 6 4 Troubleshooting This chapter describes how to troubleshoot your Switch Management Module This chapter covers these topics checking the Switch Management Module LEDs using the problem solution table checking for IP configuration errors using diagnostic tests resetting the switch clearing a password for the switch console HP Customer Support Services 7 1 GBunocoyss qnoiL Troubleshooting Troubleshooting Checking the M odule LEDs Checking the Module LEDs The following table lists Switch Management Module LED behavior showing error conditions Table 7 1 Switch Management Module LED Behavior Description The module is being self tested as a result of being powered on or because of a reset If it stays ON for a prolonged period of time more than 30 seconds the module has experienced a hardware failure See the instructions for the ON condition under the Fault LED below This should only occur if the Fault LED is also flashing and indicates that the module has failed its firmware self test See the instructions for the Flashing condition under the Fault LED below Try resetting the switch and module by pressing th
40. ast Change 3 hours Root MAC Address gt 123456 789012 Root Path Cost 6 Root Port This switch is root Root Priority 32768 Actions gt EtG Show ports Help Return to previous screen Use arrow keys to change action selection and lt Enter gt to execute action Figure 5 9 Example of Spanning Tree Information 5 10 Caution Monitoring Switch Operation From the Console Status and Counters M enu You can use the Show ports action at the bottom of the screen to display port level information and parameter settings for each port in the switch including port type source MAC address cost priority operating state and designated bridge HP J3177A Switch 2247 DEFAULT_CONFIG Spanning Tree Port Information Port Type Cost Priority State Designated Bridge 1 Ethernet 100 128 Blocking 66c Bba 662926 2 Ethernet 166 128 Forwarding 686069 f5b5a6 3 Ethernet 166 128 Forwarding 66c6ba 662926 4 Ethernet 168 128 Forwarding 686069 f5b5a6 5 Ethernet 168 128 Forwarding 686069 f5b5a6 6 Ethernet 168 128 Disabled 7 Ethernet 166 128 Blocking 68 6609 f5b5a6 8 Ethernet 1608 128 Disabled 9 Ethernet 1606 128 Disabled 16 Ethernet 166 128 Disabled 11 Ethernet 168 128 Disabled Actions gt Help Return to previous screen Use up down arrow keys to scroll to other entries left right arrow keys to change action selection and lt Enter gt to execute action Figure 5 10 Example of STP Port Information Be
41. attached to the Switch Management Module s console port and one attached at the user end to the terminal PC configure them by this procedure 1 Connect them one at atime to the PC or terminal and issue the appro priate AT command as described in the tables in this appendix Note that in each case the configuration string for the modem attached to the switch is different than for the one attached to the PC or terminal 2 Install the modems in the appropriate locations Make sure the correct modem is installed in each location according to how it was configured The modems listed in this appendix have been tested and found to work properly with the Switch Management Module using the initialization strings shown Hayes Smartmodem Optima 28 8 V 34 Atthe switch end Issue the following AT command AT amp FQ2 amp C2 amp D3S 0 1 amp W 0 Atthe user end Issue the following AT command AT amp FW 1 amp C1 amp W Hayes Acura 288 V 34 FAX Atthe switch Issue the following AT command end AT amp FQ2 amp C2 amp D350 1 amp W 0 Atthe user end Issue the following AT command AT amp FW 1 amp C1 amp W B 1 uogenp yUoDURPON Mioodem Configuration Modem Configuration US Robotics Courier V FC V 34 Atthe switch end Issue the following AT command AT amp F amp C0S0 1 amp W 0 Atthe user end Issue the following AT command AT amp F amp W Megahert
42. cause incorrect STP settings can adversely affect network performance you should avoid making changes without having a strong understanding of how STP operates For more on STP refer to appendix D Spanning Tree Operation and read the IEEE 802 1d standards document 5 11 uy 3 O0SU0D sUuLLUQL uoe dO Guroqu0N Monitoring Switch Operation Fromthe Console Monitoring Switch Operation From the Console Event Log Event Log The Event Logrecords operating events as single line entries listed in chrono logical order Each entry is composed of five fields Severity Date Time System Module Event Message L des I 08 05 96 10 52 32 ports port 1 enabled Severity is one of the following codes I information indicates routine events w warning indicates that a service has behaved unexpectedly c critical indicates that a severe switch error has occurred D debug reserved for HP internal diagnostic information Date is the date in mm dd yy format that the entry was placed in the log Time is the time in hh mm ss format that the entry was placed in the log System M odule is the internal module such as ports for port manager that generated the log entry Event Message is a brief description of the operating event Monitoring Switch Operation From the Console Event Log Entering and Navigating in the E vent Log Display To enter the event log select Event Log from the Main Menu HP J3177A Switc
43. ch Connecting a Console to the Switch The Switch 208 224 Management Module offers two methods of access to the console interface m Out of band console access Directly connected to the Console RS 232 port using a serial cable and a PC running a VT 100 terminal emulator or an actual VT 100 terminal e Remotely connected to the Console RS 232 port using modems and aPC running a terminal emulator or an actual terminal m In Band access using Telnet from a PC or UNIX station on the network and a VT 100 terminal emulator This method requires that you first configure an IP address and subnet mask by using either out of band console access or Bootp The Management Module allows one outbound and one inbound Telnet session to be running simultaneously It can also simultaneously support one console session through the Console RS 232 port and one Telnet console session You can put security restrictions on console access by setting Manager level and Operator level passwords See Using Password Security later in this chapter Default Serial Communication Settings The default communication settings on the Switch Management Module are e 9600 baud e 8 data bits e Istop bit e XON XOFF e For Windows Terminal program also disable uncheck the Use Function Arrow and Ctrl Keys for Windows option Configure your PC or terminal to operate with these settings If you want to operate the terminal using a different configuration
44. e Reset button on the module If the fault condition persists attach a PC to the switch and run the console interface the log file should indicate the error condition See Note below The module is being self tested as a result of being powered on or because of a reset If it stays ON for a prolonged period of time more than 30 seconds the module has experienced a hardware failure Try resetting the switch and module by pressing the Reset button on the module f the failure persists it may be due to incorrect module installation Remove power from the switch and try reinstalling the module This condition may also be caused by an incorrectly installed SIM M on the module While the module is removed verify that the SIM M is correctly installed Apply power to the switch again If the fault condition persists the module may have to be replaced f none of these procedures resolves the condition the module may be faulty and would need to be replaced Contact your HP authorized LAN dealer for assistance ndicates that the module has failed its firmware self test Try resetting the switch and module by pressing the Reset button on the module f the fault condition persists attach a PC to the switch and run the console interface the log file should indicate the error condition See Note below If the Self Test and Fault LEDs are flashing not constantly on you should be able to use the switch console to read the swi
45. e either the actions listed at the bottom of the display Next page Prev page Or End or the arrow keys as described in the following table Table 5 2 Event Log Control Keys Key Action N Advance the display by one page next page P Roll back the display by one page previous page o Advance display by one event down one line o Roll back display by one event up one line E Advance to the end ofthe log H Display Help for the event log 5 13 Monitoring Switch Operation Fromthe Console Monitoring Switch Operation From the Console Event Log The event log holds up to 100 lines in chronological order from the oldest to the newest Each line consists of one complete event message Once the log has received 100 entries it discards the current oldest line each time a new line is received The event log window contains 20 lines and can be positioned to any location in the log Thelogstatus line at the bottom of the display identifies wherein the sequence of event messages the display is currently positioned The event log will be erased if any of the following occurs m The switch is reset by using the Reset button on the Switch Management Module m Power to the switch is interrupted or the power is cycled m Anew operating system is downloaded to the switch The event logis not erased by using the Reboot Switch command inthe console Main Menu Using SNMP To Monitor and Manage the Switc
46. ecting to 3 4 ending 3 7 functions of 3 1 how to connect out of band 3 2 navigation of 3 9 3 10 starting ending a session 3 6 using Telnet 3 2 Console Configuration screen 4 16 Index 3 epul console RS 232 configuration of 4 16 description 2 2 copyright screen displaying 3 6 crash information when it displays 3 6 customer support services 7 9 D date format for event log 5 12 date parameter setting 4 4 DEFAULT_CONFIG about this prompt 3 17 as system name 4 4 delete password protection meaning of 3 14 DHCP how it is supported 4 10 diagnostic tests 7 4 testing the ports and links 7 5 testing the Switch and Management Module 7 4 down time where displayed 3 6 Download Manager how to use C 4 download OS operating system and event log 5 14 configuration to aPC C 8 prerequisites for IP and IPX C 2 switch to switch C 4 using Download Manager C 4 using TFTP C 2 using Zmodem from aPC C 5 EASE description of 6 4 enabling a port how to 5 4 ending a console session 3 7 4 Index event log controlling what displays there 4 16 description of 5 12 entering and navigating 5 13 for display of traps 4 14 how configuration reset affects it 7 7 meaning of severity code 5 12 why it clears 5 14 exiting from command prompt 3 17 F factory default configuration descri
47. ection Returns to the console Main menu Use arrow keys to change menu selection and lt Enter gt to execute selection Figure 3 5 The SetPassword Screen 3 12 2 3 The Switch Console Using Password Security To set a new password a Select Set Manager Password or Set Operator Password You will then be prompted with Enter new password b Type a password of up to 16 characters and press Enter Remember that passwords are case sensitive c When prompted with Enter new password again retype the new password and press Enter d To set another password return to step 2a Otherwise go to step 3 Select Return to Main Menu to exit from the Set Password screen After a password is set if you use LOGOUT or reboot or reset the switch you will be prompted to enter the password to start a new console session To Delete Password Protection This procedure deletes both passwords Manager and Operator 1 2 5 6 Enter the console at the Manager level From the Main Menu select Set Passwords You will then see the screen shown in figure 3 5 Select Delete Password Protection You will then see the following prompt Continue Deletion of password protection No Press the Space bar or press Y to select Yes then press Enter Press to clear the Password protection message Select Return to Main Menu to exit from the Set Password screen To Recover from a Lost Manager Password If
48. ectrical damage Unscrew the two captured screws holding the cover plate to the switch s Management Slot and remove the cover as shown in figure 1 2 Note that the screws will release outward when unscrewed far enough Do not unscrew them completely from the cover plate 1 2 Installing the Management Module Installation Steps cover plate Loosen these Screws Figure 1 2 Remove the cover plate 3 Insert the Management Module into the switch Line up the sides of the module with the rails on the sides of the switch s slot then push the module into the slot until it is firmly seated in the connector in the back of the slot Figure 1 3 Insert the Switch Management Module 4 Tighten the two screws that hold the module in place Be careful not to overti ghten the screws 1 3 pP Pow raupHeuenw oun luas Installing the Management Module Installing the Management M odule Removing the Module 5 Turnon the power to the switch by plugging in the power cord During power on the following occurs At Power On The switch begins its power on self test followed by the module s self test Ports are temporarily disabled until the Switch Management Module configures the ports During Self Test All Switch and M odule LEDs are on for approximately 5 seconds then just the switch Power
49. ecurity Using Password Security There are two levels of console access Manager and Operator For security you can set a password on each of these levels Level Actions Permitted Manager Access to all console interface areas This is the default level Thatis ifa Manager password has notbeen set prior to starting the current console session then anyone using the console can access any area of the console interface Operator Access to the Status and Counters Event Log and minimal Configuration Use of the LOGOUT command On the Operator level the Advanced Commands Set Passwords Download OS and Reboot options are not available in the Main Menu To use password security 1 SetaManager password and an Operator password if applicable for your situation 2 Activate the password s by exiting from the current console session If you do steps 1 and 2 above then the next time a console session is started the console interface will prompt you for a password Assuming that both a Manager password and an Operator password have been set the level of access to the console interface will be determined by which password is entered in response to the prompt If you set a Manager password you may also want to configure the Connection Inactivity Time parameter in the Serial Link configuration screen page 4 15 This causes the console session to end after the specified period of inactivity thus giving you added securi
50. en To view this information select the Help action The read only fields in this screen display the port numbers and port types read only fields DEFAULT_CONFIG CONSOLE MANAGER MODE Configuration Ports Mode 1 Ethernet Yes Half Duplex 2 Ethernet Yes Half Duplex 3 Ethernet Yes Half Duplex 4 Ethernet Yes Half Duplex 5 Ethernet Yes Half Duplex 6 Ethernet Yes Half Duplex 7 Ethernet Yes Half Duplex 8 Ethernet Yes Half Duplex A 106TX Yes Auto Duplex B 160FX Yes 166 Half Dx Actions gt Edit Save Help Cancel changes and return to previous screen Use arrow keys to change action selection and lt Enter gt to execute action Figure 4 4 Example of the Port Configuration Screen The screen image in figure 4 4 shows the default Mode value for each of the port types available on the Switch 208 224 Select the Help action to see the other modes available for each port type S Osu0D ap Wud URIMs ap Buunbyu0D Configuring the Switch From the Console Configurable Features Configuring the Switch From the Console IPX Service The Switch Management Module by default has IPX communication enabled This allows the switch to be managed from an SNMP network management station in an IPX network The Switch Management Module automatically configures theIPX network address usingits MAC address as the node address displayed in the Node Address field in the IPX Service config
51. eplacement parts can be obtained from your HP Sales and Service Office or authorized dealer HP Customer Support Services How to get the latest software agent firmware You can download from the World Wide Web HP FTP Library Service CompuServe and HP BBS a compressed file j3178xx exe containing the latest version of the HP Switch 208 224 Management Module software and proprietary MIB After you down load the file extract the file by typing filename and pressing Enter For example j317801 Enter World Wide Web http w ww hp com go netw ork_city Select the Support section From this web site you can also download information on the HP networking prod ucts If you have a growing network download the Desi gning HP AdvanceStack Workgroup Networks Gui deor call 1 800 752 0900 in the U S to receive a copy through the mail HP FTP Library Service 1 FTP to Internet IP Address ftp ftp hp com Login as anonymous and press at the password prompt Enter bin to set the transfer type Enter cd pub networking software Enter get filename to transfer the file to your computer then quit o e wN CompuServe 1 Login to CompuServe 2 Go to the hp service 3 Select HP Systems Disks Tapes etc 4 Select Networking Products library 5 Download filename and then quit HP BBS Set your modem to no parity eight bits 1 stop bit set speed up to 14400 bps and with your telecommunication prog
52. erating mode Use the Help action item on this screen to see a list of possible values for each of these items and definitions of those values Note Monitoring Switch Operation From the Console Status and Counters M enu Port Counters HP J3477A Switch 2247 DEFAULT_CONFIG Port Total Bytes Total Frames Errors Rx 4 120 513 880 4 472 043 E 2 120 601 820 1 473 409 8 3 987 877 9936 8 4 1 349 355 15 785 8 5 3 889 482 38 768 8 6 827 891 8488 8 7 a 8 8 8 29 899 336 345 225 8 9 8 8 8 10 29 132 640 345 740 8 11 8 8 8 Actions gt Back Show details Reset Help Show detailed port information Use up down arrow keys to scroll to other entries left right arrow keys to change action selection and lt Enter gt to execute action Figure 5 4 Example of Port Counters This screen enables you to determine the traffic patterns for each port Port Counter features include m Dynamic display of counters summarizing the traffic on each port since the last reboot or reset m Optionto reset the counters to zero for thecurrent consolesession This is useful for troubleshooting Refer to the Note below m An option to display the link status and further port activity details for a specific port Show details When you select the Show details action you are prompted to select the switch port A sample detailed port counters screen is shown in figure 5 5 The Reset action on this screen and the Show Details screen reset
53. es without having a strong understanding of how STP operates To learn the details of STP operation refer to appendix D Spanning Tree Operation and examine the IEEE 802 1d standard From the Main Menu select Configuration In the Configuration screen select Spanning Tree Select Edit to highlight the Spanning Tree Enabled parameter ey Ne Press the Space bar to select Yes This enables STP s osu0D an Wud yms su Buunbyu0D Configuring the Switch From the Console Configuring the Switch From the Console Configurable Features HP J3177A Switch 2247 DEFAULT_CONFIG Configuration Spanning Tree STP Enabled No Yes STP Priority 32768 32768 Hello Time 2 2 Max Age 26 26 Fwd Delay 15 15 Port Type Cost Priority Port Type Cost Priority 0 0 1 Ethernet 128 14 Ethernet 166 128 2 Ethernet 166 128 I 15 Ethernet 166 128 3 Ethernet 166 128 16 Ethernet 166 128 4 Ethernet 166 128 1 Ethernet 166 128 5 Ethernet 166 128 18 Ethernet 166 128 6 Ethernet 166 128 19 Ethernet 166 128 7 Ethernet 166 128 28 Ethernet 166 128 Actions gt Cancel Edit Save Help Enter the Port Cost Use arrow keys to change field selection lt Space gt to toggle field choices and lt Enter gt to go to Actions Figure 4 12 Example of the STP Configuration Screen 5 Ifthe remaining STP parameter settin
54. estrict who has access to the console interface Refer to Using Password Security on page 3 11 Download os Enables you to download new software to the Management Module Refer to appendix C File Transfers Reboot Switch Performs a software reboot which is required in some cases to activate configuration changes that have been made Refer to Rebooting To Activate Configuration Changes on page 3 16 3 8 actions line Help line describing the selected action or selected parameter field in this case the Cancel option D The Switch Console Screen Structure and Navigation Screen Structure and Navigation Console screens include these three elements m Parameter fields and or read only information such as statistics m Navigation and configuration actions such as Save Edit and Cancel m Help line to describe navigation options individual parameters and read only data For example in the System configuration screen HP J3477A Switch 224T DEFAULT_CONFIG Configuration System system name System Name DEFAULT_CONFIG System Contact System Location 16 Mbit s Port LED Mode Link Activity Link Only Pe pee parameter fields Address Age Interval min 15666 OFF 66 66 Time Zone 6 6 Daylight Time Rule None None Help describing each of the 4 items in the parameter menu Edit Save Help Cancel changes and return to previous screen Use arrow keys to
55. evious screen Use arrow keys to change action selection and lt Enter gt to execute action Figure 4 11 The Console Configuration Screen Default Values 4 16 Caution Configuring the Switch From the Console Configurable Features Spanning Tree Configuration Use this screen to activate the IEEE 802 1d Spanning Tree Protocol STP on the switch and to adjust spanning tree parameters if necessary In the factory default STP is off If there are any redundant paths loops between nodes in your network you should set the Spanning Tree Enabled parameter to Yes This ensures that all redundant ports those providing backup parallel con nections are in a blocking state and not used to forward data The switch automatically senses port identity and type and automatically defines port cost and priority for each type The interface allows you to adjust the Cost and Priority for each port as well as the global STP parameter values for the switch To configure the STP parameters In most cases the default STP param eter settings are adequate In cases where it is not use this procedure to make configuration changes If you enable STP step 4 it is recommended that you leave the remainder of the STP parameter settings at their default values until you have had an opportunity to evaluate STP performancein your network Because incorrect STP settings can adversely affect network performance you should avoid making chang
56. gs are adequate for your network go to step 8 6 Use or the arrow keys to select the next parameter you want to change then type in the new value If you need information on STP parameters press to select the Actions line then press H to get help 7 Repeat step 6 for each additional parameter you want to change 8 When you are finished editing parameters press to return to the Actions line 9 Press S to save the currently displayed STP parameter settings and return to the Configuration menu The Spanning Tree configuration is automat ically activated when it is saved 10 Return to the Main Menu to access other functions 4 18 Configuring the Switch From the Console Configurable Features Network Monitoring Port You can designate a port for monitoring traffic on any one of the other ports on the switch This is accomplished by copying all traffic from the specified port to the designated monitoring port The feature is also referred to as mirroring How To Configure the Switch for Monitoring This procedure describes configuring the switch for monitoring when monitoring is disabled If monitoring has already been enabled the screens will appear differently than shown in this procedure 1 Select Network Monitoring Port from the Configuration screen 2 Inthe Actions menu press E for Edit 3 If monitoring is currently disabled the default then enable it by pressing the Space bar or YJ to se
57. h Overview You can manage the Switch 208 224 that has a Management Module installed from anetwork management station Included with your Switch 208 224 Management Module is a CD ROM containing a copy of HP AdvanceStack Assistant an easy to install and use network management application that runs on your Windows NT or Windows 95 based PC It can be used as an application under the HP OpenView network management environment or it can be run as a stand alone application running directly under Windows HP AdvanceStack Assistant provides complete control of your Switch 208 or 224 through its graphical interface In addition it makes use of the HP Embedded Advanced Sampling Environment HP EASE and RMON agent software that is on the Switch Management Module to provide powerful but easy to use traffic monitoring and network activity analysis tools This chapter provides an overview of SNMP management for the Switch 208 224 and provides an overview of the configuration process for supporting SNMP management of the switch For configuration procedures for specific features see chapter 4 Configuring the Switch From the Console 6 1 yms sun Heuen pue QUON OL dININS usn Using SNMP To Monitor and Manage the Switch Using SNMP To Monitor and Manage the Switch SNMP Management Features SNMP Management F eatures SNMP management features provided by the Switch 208 224 Management Module include m Security via configuration of SN
58. h 224T DEFAULT_CONFIG I 61 61 97 65 51 62 system I 61 61 97 65 51 64 stp Spanning Tree Protocol enabled I 61 61 97 65 51 64 ip entity enabled I 61 61 97 65 51 64 ipx entity enabled I 61 61 97 65 51 64 tftp entity enabled I 61 61 97 65 51 64 bootp entity enabled I 61 61 97 65 51 64 tcp configuration complete I I I I I I yu i i I i i i I i 1 oO z 7z m 1 gt z gt T m i m i Ii i I ii 1 Li i Il i i Ii ii Li i i ii 1 Li ii i ii i i ii i i 1i u CSUDD apuy uoge dO Guu UoON 61 61 97 65 51 64 tcp entity enabled 61 01 97 65 51 64 telnet Inbound telnet enabled 61 61 97 65 51 64 telnet Outbound telnet enabled 61 61 97 65 51 65 system System Booted 61 61 97 65 51 15 console connection established 61 61 97 65 51 17 mgr SME CONSOLE Session MANAGER Mode established Log events stored in memory 1 14 Log events on screen 1 14 Actions Next page Prev page End Help log status line range of events in the log range of log events displayed Figure 5 11 Example of an Event Log Display When you first display the event log the first event of the most recent reboot is positioned at the top of the display To display other portions of the log either preceding or following the currently visible portion us
59. h208224 where ht ether ha 080009123456 sm 255 255 248 0 1g 11 22 33 44 ip 55 66 77 88 T144 switch cfg vm rfc1048 switch208224 isauser defined symbolic nameto help you find the correct section ht ha sm lg hn ip T144 of the bootptab file If you have multiple switches that will be using Bootp to get their IP configuration you should use a unique symbolic name for each switch is the hardware type For the HP AdvanceStack switch set this to ether for Ethernet This tag must precede theha tag is the hardware address Use the Switch Management Module s 12 digit MAC address Make sure you use the address di splayed on the front of your Switch Management Module is the subnet mask of the subnet in which the switch is installed TFTP server address source of final configuration file send nodename boolean flag no value needed is the IP address to be assigned to the switch is the vendor specific tag assigned to HP the name of the configuration file to download is in quotes is arequired entry that specifies the Bootp report format For the HP AdvanceStack switch set this parameter to r c1048 Notes for the bootptab file Blank lines and lines beginning with the pound sign are ignored Make sure you include a colon and a back slash as a continuation indication at the end of each line except the last one The last line should end with just a colon
60. he module is installed and can be used in network connectivity tests between the switch and other network devices In an IPX network this address is also used as the Node Address part of the IPX network address 2 2 Management Module Description M odule Features Module F eatures When you install the Switch 208 224 Management Modulein your Switch 208T or 224T you get these enhanced switch capabilities Full duplex port operation By default the 10 Mbit s and 100 Mbit s ports on the Switch 208 224 operate in half duplex mode With the Switch Management Module installed these ports can be configured to operate in full duplex mode Address Aging The Switch 208 224 automatically learns the MAC address of the devices connected to its ports and stores those address es in an 8000 entry address table When a device is moved its new location is automatically learned and kept in the table so proper communication is maintained with the device With the Management Module installed the additional benefit is that inactive addresses are aged out of the table the table is kept up to date with the addresses of active nodes only Spanning Tree Support The Switch 208 224 uses the IEEE 802 1d Spanning Tree Protocol STP to ensure that only one path at a time is active between any two nodes in the network thus preventing loops that cause broadcast storms from occurring in the network topology By default STP is disabled on the switch You
61. hich switch port is being used to access a specific device on the network The listing includes m The MAC addresses that the switch has learned from network devices attached to the switch m The porton which each MAC address was learned You canuse the Search action at the bottom of the screen to locate a specific device MAC address 5 7 Monitoring Switch Operation Fromthe Console Monitoring Switch Operation From the Console Status and Counters M enu Port Address Table This screen lets you easily determine which devices are attached to the selected switch port by listing all of the MAC addresses detected on that port You can use the Search action at the bottom of the screen to determine whether a specific device MAC address is connected to the selected port To use the port address table 1 Select Port Address Table from the Status and Counters menu HP J3477A Switch 2247 DEFAULT_CONFIG Status and Counters Return to Main Menu Switch Information Port Status Port Counters Address Table Port Address Table Spanning Tree Information Use the Space bar to select the port for ie which you wantto display the address table Select port Use arrow keys to change menu selection and lt Enter gt to execute selection Figure 5 7 Example of How To Access the Port Address Table 2 WhentheSelect Port prompt appears press the Space bar to display the number of the port you want
62. ied aaseew aca 5 5 Port Counters Show Gras isk dacnadtie aad Raat ae a ae ae 5 6 Address TAVIE eee eee ee ee eee ee ee ee eee ee ee ee eee ee ee ee ee 5 7 Pom Address TADE iste eerie eid eesidens st ereidetsiseans 5 8 Spanning Tree STP loformation cc oreo eee ee ee ek kk 5 10 Event LOG csi cdicicesaiee ici ceeahediasee eked sabe eens eu daing wks 5 12 Using SNMP To Monitor and Manage the Switch OVEIVIEW 23 in 435i5cte 2 iiaa a o a dade aaa 6 1 SNMP Management Features 0 6 2 SNMP Configuration Process s sees e eee 6 3 Advanced Management RMON and EASE Support 6 4 GND casein tetas E see iss vein Deemer eats 6 4 BASE Sites acne t nies weceehensp eles Peepers de naa 6 4 Troubleshooting Checking the Module LEDs 00u 7 2 Problem Solution Table 7 3 IP Configuration Errors ici ie ee ee aa 7 4 Diaqnostie Tests iiictiicowsinasachiaenaheieda awn AEA 7 4 Testing the Switch and Management Module 7 4 Testing the Switch s Ports and the Links 7 5 Resetting the Switch sis iiii site ieee teehee een ae Kos 7 1 Clearing Passwords on the Switch Console 7 8 HP Customer Support Services 05 7 9 Specifications REgUlGEOrF de ic 221i 2101 eee eee oer eee ere ee ee ee are eee ee A 3 Modem Configuration File Transfers
63. is is anetwork layer test that you can run on Novell NetWare IPX networks The switch sends IPX test packets to aspecified network device This works with devices that have an IPX address and are able to respond to an IPX test packet Most end nodes using IPX will respond to this packet You specify the remote device by its IPX address If the test passes the switch s port the network link and the remote device are all working properly If you are testing the transceiver module port this also tests the transceiver that is installed in the switch If the test fails you can test the switch using the Testing the Switch Only procedures on the previous page You should also verify that the remote device is powered on and functioning properly and that the cable is good If the switch passes its tests but the network test link test Ping test or IPXpingtest fails the problem isin the cabling the remote device or possibly the output circuitry of the switch s port A frequent problem is that the wrong type of network cableis used To connect the switch ports to end nodes use a straight through twisted pair cable to connect to hubs or other switches use a crossover twisted pair cable Refer to appendix A Cables and Connectors in the HP AdvanceStack Switch 208 224 Installation and Reference Gui defor more information on the pin outs and use of these cables See the HP AdvanceStack Assistant online help and the s
64. lect Yes HP J3477A Switch 2247 DEFAULT_CONFIG Configuration Network Monitoring Port Monitoring Enabled No No enable monitoring by setting this parameter to Yes Actions gt Edit Save Help Cancel changes and return to previous screen Use arrow keys to change action selection and lt Enter gt to execute action Figure 4 13 The Default Network Monitoring Configuration Screen 4 Press to display a screen similar to the following and move the cursor tothe Monitoring Port parameter S Osu0D an luda yms su Buun6yu0D Configuring the Switch From the Console Configurable Features Note Configuring the Switch From the Console HP J3477A Switch 2241 DEFAULT_CONFIG Configuration Network Monitoring Port Monitoring Enabled No Yes Monitoring Port Monitored Port Actions gt Cancel Edit Save Help Select the port that will act as the Monitoring Port Use arrow keys to change field selection lt Space gt to toggle field choices and lt Enter gt to go to Actions Figure 4 14 Example of Selecting a Monitoring Port 5 Press the Space bar or type the port number to select which port to use for the monitoring port 6 Press to moveto the Monitored Port field and press the Space bar or type the port number to select the port you want to monitor 7 Return to the Main Menu to select other functions You don t need to reboot the switch the Network Mo
65. lobal information 5 10 overview D 1 port cost 4 17 priority 4 17 when to enable 4 1 speed sense configuring serial link 4 15 console connection 3 3 3 5 3 6 statistics clear counters 3 15 update frequency 4 16 statistics of switch displaying 5 1 status of port 5 4 Status and Counters menu 5 2 STP See Spanning Tree subnet mask 4 8 4 9 IP 4 8 switch clearing console password 7 8 connecting a console to 3 2 module features added 1 1 resetting 7 7 transferring switch configuration C 8 system configuration screen 4 4 system down when it displays 3 6 Index 7 epul Index system name when none is specified 3 17 T Telnet disable or enable 4 16 inbound 4 16 outbound 4 16 steps to connect to switch 3 6 terminal mode VT 100 ANSI C 9 testing ports and links 7 5 Switch and Management Module 7 4 TFTP procedure for OS download C 2 TFTP server IP IPX address for C 8 Unix case sensitivity C 2 time command how to enter 3 17 time format described 5 12 time parameter 4 4 Time Protocol how to set date time 4 4 time server what it is used for 4 8 timep how it relates to time server 4 8 traffic displaying for a port 5 6 displaying for the switch 5 5 traffic how to monitor 4 19 transferring switch configurations C 8 trap receiver 6 3 where to config
66. n number C 3 srgysue 1 3 y File Transfers File Transfers Downloading an Operating System Using the SNMP Based HP Download Manager Included with your Switch Management Module is the HP AdvanceStack Assistant CD ROM Included in the software on that CD is a utility called HP Download Manager You can use that utility to download the OS to the Switch Management Module To perform this procedure do the following m Ataminimum use an BM compatible PC with a 386 MHz or better processor and 8 Mbyte of RAM Make sure the PC is connected to the same network as the switch Obtain software and instructions from HP s BBS or World Wide Web site Refer to the Customer Support Services section in chapter 7 Trouble shooting The HP Download Manager also has detailed online help that can guide you through the procedures Using the Switch to Switch Download If you have two or more Switch 208 224s with Switch Management Modules installed and operating in the same network you can download the OS software from one Switch Management Module to another by using the Download OS feature in the switch console interface To do so 1 On the console connected to the switch that will be receiving the OS select Download os from the Main Menu 2 Enter the IP or IPX address of the remote switch containing the OS you want to download 3 Enter OS for the Remote File Name 4 Execute the download C 4
67. need to use this procedure to reconfigure the parameter to enable Bootp operation This procedure assumes that a Bootp database record has already been entered into an appropriate Bootp server and that the necessary network connections arein place For samples of Bootp server table entries see Bootp Database Entries later in this chapter To configure the switch for Bootp 1 Inthe Main Menu select Configuration 2 Inthe Configuration screen select Internet IP Service 3 Press E for Edit mode then use 1 to move the cursor to the IP Config parameter field 4 Use the Space bar to select the Use Bootp option forthe IP Config parameter This disables access to the IP Address Subnet Mask and Gateway parameters 5 Press Enter to exit from edit mode then press S to save the configuration change 4 9 S osu0D an luda yms su Buun6yu0D Configuring the Switch From the Console Configurable Features Note Configuring the Switch From the Console When you reboot the switch with Bootp enabled it will do one of the following m Receive a minimal configuration IP address and subnet mask m Ifthereply provides information for downloading a configuration file the switch then uses TFTP to download the file from the designated source then reboots itself This assumes that the switch has connectivity to the TFTP file server specified in the Bootp database configuration record and that the Bootp datab
68. nfiguration screen 4 4 address table for each port 5 8 for the switch 5 7 purpose of 5 1 AdvanceStack Assistant managing the switch with 6 2 ANSI required terminal for transferring configuration C 9 asterisk symbol meaning of 3 10 baud rate autosensing of 3 6 blocked port D 1 blocked port STP D 1 blocking state STP D 1 Bootp configuring the switch for 4 9 for in band access 3 2 how to setup 4 10 table file examples 4 10 used for IP address 4 8 broadcast storm D 1 buffers information about 5 3 C cable RS 232 for modem connection 3 4 serial for direct connection 3 3 Clear button description 2 1 for configuration reset 7 7 to clear password 3 13 clearing a password 7 8 command prompt 3 17 exit 3 17 commands for system management 3 17 communication protocols list of A 2 communities SNMP 4 12 configuration accessing the screen 4 3 Bootp 4 10 console 4 16 factory default 3 1 3 17 4 1 7 7 factory default of STP 4 1 4 17 features of 4 1 IP 4 8 IPX 4 6 network monitoring 4 19 port 4 5 resetting to factory default 7 7 saving 4 21 serial link 4 15 SNMP 4 12 Spanning Tree 4 17 D 1 System screen 4 4 transferring switch config to aPC C 8 trap receivers 4 14 Configuration Screen options on 4 3 console about the interface 3 1 conn
69. ng the Switch eee 3 15 Advanced COMMANGS cic oicico siete seria Seen s datas pated ons 3 17 Configuring the Switch From the Console OVEMVIOW foci c ithe ier i eden ee Re eRe Eee GREE TE Reed SD a Kes 4 1 Configurable Features 5 4 3 tote CONNCUISUOD 6 csi ean gd el ea a A WES 4 4 POPE COMNQUFGUON cic ctnni een RRe ERR SERS e EIR ROTOR ee eens 4 5 IP SN as a a Seis Sd Bete i Sede ll ai cae i ace 4 6 Wennet MUP PG crs eens Eide ea ee oe ae eee hag a 4 8 USGI lel ee eer ee ee eee ee eee ee eee eee eee Cree eee ee Pere eee 4 9 vi SNMP COMMUNUES boc ceive rete ces eae g end tatantanan taai 4 12 Tip EEWO os s2tss secre re red sensi A EA 4 14 SeA Link COnN OU ANON ici say ee eee ced eee Ry na a eA 4 15 CONSORT ONORIO eee eee eee eee eee eee eee eee ee eee ee 4 16 Spanning Tree Configuration eis ieee ee ee ee ewes ee eee ewan 4 17 Network Monitoring POF cc seek ee eee cee acta ee dee anes 4 19 Saving Configurations seve seers e ae 4 21 Monitoring Switch Operation From the Console UCR ENN oh ois eh iene eran ae ee a a i ae ass 5 1 Status and Counters Menu 5 2 SIE aM NAA OCNA LO eee aN ee Oe ee N 5 3 Can rene cistetaid eau ede teiiaenehes ph dane Ne eee ee 5 4 POE COUOTGFS o6225 vemacce ders i aussi Reo iee vowh
70. nitoring Port configuration is dynam ically activated The port you select as the Monitoring Port is identified on the port status and counter screens and the port configuration screens with mp after the port number The port you select as the Monitoring Port cannot participatein SpanningTree protocol so it will not be displayed on the Spanning Tree configuration or status screens 4 20 Configuring the Switch From the Console Saving Configurations Saving Configurations Once you have completed all your switch configuration changes it is a good idea to save the configuration in a secure location The configuration is contained in a file that can be transferred to a PC or server See Transferring Switch Configurations in appendix C File Transfers for the procedures to save your switch configuration S OSsu0D an luda yms su Buun6yu0D Monitoring Switch Operation From the Console Overview 3 O0SU0D suLLUQL uoe dO The Main Menu in the switch s console interface gives you access to the following sources of read only data for helping you to monitor analyze and troubleshoot switch operation Table 5 1 Read Only Monitoring and Analyzing Features MainMenu Data Type Purpose Item Status and Switch Information Lists switch level operating information Counters M enus Port Status Displays the operational status of each port Port Counters Summarizes port activity Address forwarding Table Li
71. onfiguration to the switch and the module See Restor ing the Factory Default Configuration in chapter 7 Trouble shooting for the specific method to restore the factory default configuration Self Test LE D When lit indicates that the Management Module or the switch in which the module is installed is undergoing its self test which occurs every time the switch is plugged into a power source or as aresult of pressing the Reset button on the Management Module or from rebooting or resetting the switch from the switch console or from network management Fault LED When lit with the Self Test LED indicates that the Management Module is executing its self test The self test normally takes approximately 10 seconds If the Self Test and F ault LEDs stay on for longer than this or if the Fault LED is flashing at any time an error has occurred on the module See chapter 7 Troubleshooting for more information on the LED and error recovery procedures Console RS 232 Port This port is used to connect a console to the switch either directly using the serial cable supplied with the Management Module or through a modem connection These connec tions are described in chapter 3 The Switch Console The console can be either a PC running a VT 100 terminal emulator or a VT 100 terminal itself MAC Address This is the unique hardware identity of the manage ment module It is also used to identify the switch into which t
72. onsole you can close the terminal emulation program before restart ing the console session 1PSUDD YAMS SUL The Switch Console The Switch Console M ain M enu Features Main Menu Features The Main Menu figure 3 3 on page 3 7 gives you access to these console interface features Status and Counters Displays information on the switch individual ports the address tables and Spanning Tree Protocol settings Refer to chapter 5 Monitoring Switch Operation F rom the Console Event Log Enables you to read progress and error messages that are useful for checking and troubleshooting switch operation A listing of Event Log messages is included on theCD shipped with your Switch Management Module Refer to Event Log on page 5 12 Configuration Enables you to display the current configuration settings and to reconfigure individual parameters Refer to chapter 4 Configuring the Switch From the Console LOGOUT Disconnects Telnet or modem access to the switch Refer to How To End a Console Session on page 3 7 Advanced Commands Provides access to a set of system manage ment monitoring and troubleshooting commands that generally require greater knowledge of networking These commands are listed at the end of this chapter under Advanced Commands and they are described from the command prompt by entering Help Set Passwords Enables you to set Operator and Manager pass words to help r
73. ontinue with console management of the switch at this time refer to the rest of this chapter for general console procedures to chapter 4 Configuring the Switch From the Console and to chapter 5 Monitoring Switch Operation From the Console 3 3 PSUDD YMMS SUL The Switch Console The Switch Console Connecting a Console to the Switch Note Remote Console Connection Using a Modem and a PC Terminal Emulator or Terminal For remote console management use a pair of full duplex asynchronous character mode modems as shown in figure 3 2 1 Before installing the modems make sure they are both correctly initial ized Refer to appendix B Modem Configuration for the correct initial ization strings 2 Atthe site where the Switch 208 224 is installed a Connectthemodem to theSwitch ManagementM odule s console port using a standard straight through RS 232 C modem cable For modem cable pin outs refer to Modem Cable Pin Out on next page b Ifnecessary configure the PC or terminal to operate with the current serial link configuration of the Switch Management Module 3 Atthe site where the console is to be located connect the PC emulating aterminal or aterminal to the modem using a standard RS 232 C modem cable Makesurethe terminal and modems are functioning properly then establish the link between the terminal s modem and the switch s modem according to the modem instructions
74. ou do not need to list the manager addresses on this screen You can use this screen to just configure community names and to set the MIB View and Write Access for each community All community names that you create using this screen can be used to access the switch into which the Switch Management Module is installed Any managementstation using the correct community name may access the switch with the corresponding MIB View and Write Access levels If you want to restrict access to one or more specific management stations for agiven SNMP community listing the addresses of those stations on this screen creates that limitation For each SNMP Community you can authorize up to ten management stations by entering their IP and or IPX addresses into the Manager Address field 3 Enter the appropriate value in each of the above fields use the key or arrow keys to move from one field to the next 4 Press Enter then 5 for Save and the new SNMP Community configu ration is automatically activated 5 Return to the Main Menu to access other functions 4 13 S Osu0D an luda yms sun Buunbyu0D Configuring the Switch From the Console Configurable Features Configuring the Switch From the Console Trap Receivers This screen enables you to configure up to ten IP and or IPX management stations trap receivers to receive SNMP trap packets sent from the switch Trap packets describe specific event types These events are the same
75. ounters Show Details This screen shows you additional counters for the selected port For defini tions of these counters use the Help action In addition to the counters this screen displays the status of the network connection to this port Link Status and the MAC address of the Switch Management Module This MAC address can be used to perform level 2 network connectivity tests link tests through this port See chapter 7 Troubleshooting for more information about link tests Monitoring Switch Operation From the Console Status and Counters M enu Address Table HP J3477A Switch 2247 DEFAULT_CONFIG Address Table MAC Address Located on Port 66006c 73a261 16 6666b6 601d66 16 6666b6 645631 16 6666b6 1a6659 1 686069 62a9F1 1 686669 Gab5ac 16 686669 6f bac 16 680669 6Fc 65f 16 680069 1369c4 4 686669 167be4 16 686669 16FbF6 16 uy I I i i i I I I I i i i I I I I I I I I I 1 m Z 7z ms m z gt z gt T m kd m i i i i I I CSUDD apuy uoge dO Guu UoON Actions gt Search Next page Prev page Help Return to previous screen Use up down arrow keys to scroll to other entries left right arrow keys to change action selection and lt Enter gt to execute action Figure 5 6 Example of the Address Table This screen lets you easily determine w
76. our HP authorized network reseller can also provide you with assistance both with services that they offer and with services offered by HP 7 9 Bunooys pmouL Specifications Physical includes bulkhead and connector Width Depth Height Weight Environmental Temperature Relative humidity non condensing Maximum altitude Connectors The RS 232 C console port conforms to V 22 bis Electromagnetic Emissions FCC part 15 Class A 16 7 cm 6 6 in 18 3 cm 7 2 in 4 5 cm 1 8 in 2 3 kg 50 Ib Operating 0 C to 55 C 32 F to 131 F 15 to 95 at 40 C 104 F 4 6 km 15 000 ft CISPR 22 Class A EN 55022 Class A VCCI Level 1 Immunity Non Operating 40 C to 70 C 40 F to 158 F 15 to 90 at 65 C 149 F 4 6 km 15 000 ft See the Declaration of Conformity at the end of the Safety and Regulatory Statements in the HP AdvanceStack Swi tch 208 224 I nstallation and Reference Guide A 1 suoReoy bads Specifications Specifications Safety Complies with IEC 950 1991 A1 A2 E N60950 1 1992 A1 A2 Acoustic Noise Not applicable Management Protocols RFC 1157 SNMP RFC 1901 1908 SNM Pv2C RFC 1420 SNMP over IPX Supported MIBS RFC 1493 Bridge MIB IETF Entity M IB RFC 1213 MIB II RFC 1515 Ethernet M AU M IB RFC 1573 Interface Evolution M IB RFC 1650 Ethernet Interface M IB RFC 1757 RMON MIB HP Switch Config M IB HP EASEMIB version
77. parameters that require rebooting in order to be activated Any IP or IPX service configuration changes are not activated when saved For these changes the switch must be rebooted for the changes to take effect For more on when it is necessary to reboot refer to Rebooting the Switch in chapter 3 The Switch Console 6 3 yms sun S6euern pue QUON OL dININS usn Using SNMP To Monitor and Manage the Switch Using SNMP To Monitor and Manage the Switch Advanced Management RM ON and EASE Support Advanced Management RMON and EASE Support The Management Module supports RMON Remote Monitoring and EASE on all network segments connected to the switch This allows for troubleshooting and optimizing of your network RMON The following RMON groups are supported m Ethernet Statistics except the numbers of packets of different frame sizes a Alarm m History of the supported Ethernet statistics m Event You can access the Ethernet statistics Alarm and Event groups from the HP AdvanceStack Assistant network management software included with your Switch Management Module EASE EASE Embedded Advanced Sampling Environment is anetwork monitoring and troubleshooting tool that analyzes traffic from a network wide perspec tive EASE notifies you about network problems and identifies the end node at fault That information can be used to set up RMON to study the problem more closely if desired Because it is b
78. perating System 2 Press E for Edit 3 Withthe Protocol field highlighted use the Space bar to select either IP or IPX depending on the protocol in use in your network 4 Highlightthe TFTP Server field and type in the IP or IPX address of the TFTP server in which the OS file has been stored 5 Highlight the Remote File Name field then type the name of the OS file 6 Press Enter then x for execute to begin the OS download The following screen then appears HP J3177A Switch 2241 DEFAULT_CONFIG Download OS Hethod TFTP ee TFTP Protocol IP Poen server address TFTP Server 15 160 160 1 Remote File Name J317861 CMP ___ example of a remote file name on a PC workstation Received 226 666 bytes of OS download Figure C 2 Example of the Download OS Screen During a Download 7 A progress bar indicates the progress of the download When the entire operating system has been received all activity on the switch halts and the following message appears WRITING SYSTEM SOFTWARE TO FLASH BACK SOON After the system flash memory has been updated with the new operating system the Switch Management Modulereboots itself and begins running with the new operating system 8 To confirm that the operating system downloaded correctly a Select Status and Counters from the Main Menu b Select Switch Information from the Status and Counters menu c Check the os Version line tshould show the new versio
79. plays it in this step and in the Event Log 3 6 The Switch Console Starting and Ending a Console Session HP J3177A Switch 224T DEFAULT_CONFIG z 2 22222222222222222222222 CONSOLE MANAGER MODE ss22s s22s2222 Main Menu Status and Counters Advanced Commands Event Log Set Passwords Configuration Download OS LOGOUT Reboot Switch configuration status and counters Use arrow keys to change menu selection and lt Enter gt to execute selection Figure 3 3 The Main Menu For a description of Main Menu features refer to Main Menu Features on page 3 8 How To End a Console Session 1 Ifyou have not made configuration changes in the current session return to the Main Menu highlight LOGOUT and press Enter 2 Configuration changes requiring a reboot of the switch are indicated by an asterisk next to the configured item in the Configuration menu See Rebooting To Activate Configuration Changes on page 3 16 If you have made configuration changes that require a reboot of the switch in order to take effect a Return to the Main Menu b Usethearrow keys lt 6 4 and t to highlight Reboot Switch in the Main Menu and press Enter to reboot c When the reboot completes the switch automatically reestablishes the console connection and you can restart your console session as described on the previous page Or if you have finished using the c
80. ption 4 1 for spanning tree 4 1 resetting back to 7 7 failure of OS download C 6 of self test indications 7 2 Fault LED description of 2 2 description of states 7 2 features Switch Management Module in detail 2 3 summary of 1 1 file transfers configuration C 8 how to C 1 OS C 1 format of date and time in event log 5 12 of event log entries 5 12 forwarding state STP D 1 forwarding table Seeaddress table full duplex configuring the ports 4 5 feature of module 2 3 G gateway entering address of 4 9 frame encapsulation type 4 6 manually configuring IP 4 9 where to specify IP address 4 8 where to specify IPX address 4 6 Get command for a configuration download C 8 requirements for C 8 H hardware reset effect on switch 7 7 how to perform 7 7 Help displaying for individual parameters for actions or data fields 4 2 Help line about 3 9 location on screens 3 9 4 2 History command to display a previous message C 7 HP AdvanceStack Assistant 6 1 HP Download Manager usage C 4 HP proprietary MIB descriptions of 6 2 ID definition of 5 4 IEEE 802 1d 4 17 D 1 setting up spanning tree 4 17 in band console access types of 3 2 inbound Telnet description of 4 16 included parts 1 2 installing module 1 1 Interconnect Manager See AdvanceStack Assistant IP configura
81. ram e g Windows Terminal dial 208 344 1691 in the U S to get the latest software for your HP networking product For other countries see http www hp com cposupport eschome html over for more servi ces O al hel ag LiL Obtain the latest console code j3178xx exe from HP FTP Library ftp ftp boi external hp com World Wide Web http www hp com go network_city HP BBS 208 344 1691 over CompuServe Network Phone In Support hourly Go hpsys Lib 7 Download j3178xx exe 1 800 790 5544 HP FIRST Fax Retrieval Service HP FIRST is an automated fax retrieval service that is available 24 hours a day seven days a week HP FIRST provides information on the following topics m Product information m Troubleshooting instructions m Technical reviews and articles m Configuration information To access HP FIRST dial one of the following phone numbers Location Phone Number U S and Canada Only Dial 1 800 333 1917 with your fax machine or touch tone phone and press 1 Outside the U S and Canada Dial 1 208 344 4809 from your fax machine and press 9 To receive a listof currently available documents enter document number 19941 The information you requested will be sent to you by return fax For other countries see http www hp com Cposupport eschome html Additional HP Support Services In addition to the above services you can purchase various HP telephone support services which
82. s the counter display to zero for the current session but does not affect the cumulative values in the actual hardware counters In compliance with the SNMP standard the values in the hardware counters are not reset to zero unless you reboot or reset the switch Thus usingthe Reset action resets the displayed counters to zero for the current session only Exiting from the console session and starting a new session restores the counter displays to the accumulated values in the hardware counters 5 5 yu OCSUOD ap uay uoe dO BuuquUoN h Operation Fromthe Console i i i i i i i i i i i i i i i i m Z A a m 1 D gt Zz D gt o m z gt m I i i i i i i i i i i i i li i il i il i ng Monitoring Switch Operation From the Console Status and Counters M enu Port Counters Show Details HP J3177A Switch 224T DEFAULT_CONFIG Port Counters Port 16 Link Status Up Mgmt MAC Address 123456 789612 Bytes Rx 3 446 181 Bytes Tx 7 9754 Unicast Rx 16 618 Unicast Tx 136 Beast Mcast Rx 15 666 Beast Mcast Tx 6 Drops Rx i Collisions Tx 1 FCS Align Rx 4 Fragments Rx gt 1 269 Giants Rx 6 Total Rx Errors 1 273 Actions gt Ef Reset Help Return to previous screen Use arrow keys to change action selection and lt Enter gt to execute action Figure 5 5 Example of Port C
83. sables many network management functions such as auto discovery traffic monitoring and threshold setting If security for network management is a concern itis recommended that you change the write access for the public community to Restricted How To Configure the Switch for SNMP Communities Ensure that the switch has been configured for IP and or IPX service 1 From the Configuration screen select SNMP Communities to display a screen similar to figure 4 7 2 Press A for Add to display the following screen 4 12 If you are adding a community the fields in this screen are blank If you are editing an existing community the values for the selected community appear in the fields Note Configuring the Switch From the Console Configurable Features HP J3477A Switch 2241 DEFAULT_CONFIG Configuration SNMP Communities Community Name M HIB View Operator bongi Restricted Protocol Manager Address Soe ee te eS Soaks arse lash E type the value for this field use the Space bar to select values for other fields Actions gt Cancel Edit Save Help Enter Community Name up to 16 characters case sensitive no s Use arrow keys to change field selection lt Space gt to toggle field choices and lt Enter gt to go to Actions Figure 4 8 The SNMP Communities Add or Edit Screen If you choose to not restrict the use of a community to specific network management stations y
84. sfers File Transfers Downloading an Operating System Using TFTP To Download the OS File Before you use this procedure make sure of the following m The switch is properly connected to the network and is configured for either IP or IPX service whichever you need to communicate with the TFTP server used for the download m TheOS software to download must be stored in a file on a TFTP server in your network The OS file is typically available from HP s electronic services refer to the perforated card at the front of this manual m Youknow thenameoftheOSfilestoredintheTFTP server Forexample 3317801 cmp m You have determined the IP or IPX address of the TFTP server in which the OS file has been stored Note If your TFTP server is a Unix workstation ensure that the case upper or lower that you specify for the fi lenamein the switch console Download OS screen is the same case as the characters in the OS filenames on the TFTP server 1 Inthe switch console Main Menu select Download OS You will then see this screen HP J3177A Switch 224T DEFAULT_CONFIG Download OS Method TFTP Protocol TFTP Server Remote File Name Actions gt Cancel Edit eXecute Help Select the network protocol Use arrow keys to change field selection lt Space gt to toggle field choices and lt Enter gt to go to Actions Figure C 1 The Download OS Screen Default Values C 2 File Transfers Downloading an O
85. ss Enter then 5 for Save Return to the Main Menu and reboot the switch s osu0D an Wud yms ap HuunH yuo 4 7 Configuring the Switch From the Console Configuring the Switch From the Console Configurable Features Internet IP Service For managing the Switch 208 224 from an SNMP network management station over an IP network or for using the switch console through a Telnet session use the IP Service screen to configure m P address subnet mask and optionally the gateway address for the switch so that it can be managed in an IP network m Thetime server information used if you want the switch to get its time information from another device operating as a Timep server You can manually configure an IP address subnet mask and a Gateway IP address by setting the IP Config parameter to Manual Or you can use Bootp to configure IP for the switch from a Bootp server In this case you must also configure your Bootp server accordingly If you plan to use Bootp refer to Bootp Operation in chapter 6 Using SNMP to Monitor and Manage the Switch Otherwise set the IP Config parameter to Manual and then manually enter the IP address and subnet mask you want for the Switch 208 224 HP J3177A Switch 224T DEFAULT_CONFIG Configuration Internet IP Service Time Protocol Enabled No Yes lt gj _ The default setting for Time Timep Server Address Protocol Enabled is No Timep Poll Interv
86. sts the MAC addresses of nodes the switch has detected on the network along with the Corresponding switch port Port Address Table Lists the MAC addresses that the switch has earned from the selected port Spanning Tree Information Lists Spanning Tree data for the switch and for individual ports Event Log Lists event messages generated by the switch 5 1 yms Buco Monitoring Switch Operation From the Console Status and Counters M enu h ing Operation Fromthe Console Status and Counters Menu Select Status and Counters from the Main Menu to display the Status and Counters menu HP J3477A Switch 224T DEFAULT_CONFIG Status and Counters Return to Main Menu Switch Information Port Counters Address Table Port Address Table Spanning Tree Information Displays current status of all the switch ports Use arrow keys to change menu selection and lt Enter gt to execute selection Figure 5 1 The Status and Counters Menu Each of the above menu items accesses the read only screens described on the following pages Refer to the online help for a description of the entries displayed in these screens Monitoring Switch Operation From the Console Status and Counters M enu Switch Information HP J3477A Switch 2247 DEFAULT_CONFIG Switch Information Actions gt EtG Help Return to previous screen i Li Li Li Li Li Li Li Li Li Li Li Li Li
87. t Slotin the front of either the HP Switch 208T or HP Switch 224T The Switch Management Module hasthe physical elements shown in the figure below Console RS 232 se ye 6 3 Cka Reset Clear J Switch 208 224 Management Module HP J3178A Self Test Fault m Reset Button used to reboot the Management Module and the switch in which itis installed This clears any temporary error condi tions that may have occurred executes the module and switch self tests and returns all network activity counters to zero The counters are displayed in the switch console interface and through network management applications m Clear Button used for these purposes e When pressed by itself for at least one second deletes any switch console access passwords that you may have configured Use this feature if you have misplaced the password and need console access This button is provided for your conveni ence but its presence means that i f you are concerned with thesecurity of the switch confi guration and operation you should make sure the swi tch with the management moduleis installed in a securelocation such as a locked wiring closet 2 1 Module Description Management Module Description Overview e When pressed with the Reset button in a specific pattern clears any configuration changes you may have made through the switch console and SNMP management and restores the factory default c
88. tch event log to identify the problem If necessary to resolve the problem contact your HP authorized LAN dealer or use the electronic support services from HP to get assistance See the perforated card at the front of this LED Status SelfTest ON Flashing Fault ON Flashing Note manual for more information Troubleshooting Problem Solution Table Problem Solution Table Use the following table to diagnose the problem with your Management Module Table 7 2 Typical Switch Problems and Their Solutions Problem Solution How dol reset the switch Either e Push the reset button on the Switch Management Module e SelectReboot Switch from the switch console Selectthe Reset command from HP AdvanceS tack Assistant Power cycle the switch Note that only the power cycle option causes the switch and Switch Management M odule to run their diagnostic self tests None ofthe Management The Module may notbe installed correctly Make sure the Module LEDs are on M odule is fully inserted and screws are tightened can t remember the While the switch is on press the Clear button on the console password to Management M odule for at least 1 second Then release configureanddiagnosethe Then specify a new password to keep access to the switch switch restricted The steps are described in chapter 3 under Using Password Security A user can t send data to There may be a cabling problem with
89. the configuration menu item in which the change has been made F or example if you change and save parameter values for the switch s IP configuration the need for rebooting the switch would be indicated by an asterisk appearing in the following screen HP J3177A Switch 224T DEFAULT_CONFIG 2 2 22222222 222 2 2 2 2 PONSOLE MANAGER MODE s Configuration Return to Main Menu SNHP Communities System Trap Receivers Ports Serial Link IPX Service Console Internet IP Service Network Monitoring Port 6 Spanning Tree asterisk indicates a configuration change that requires a reboot in order to take effect Configures IP service for switch management Use arrow keys to change menu selection and lt Enter gt to execute selection Needs reboot to activate changes reminder to reboot the switch to activate configuration changes Figure 3 7 Example of a Configuration Change Requiring a Reboot 3 16 The Switch Console Advanced Commands Advanced Commands Selecting Advanced Commands from the Main Menu presents a command prompt from which you can enter the following system management com mands Listing of Commands Available under Advanced Commands Get TFTP Ping Time ClearLED Help Print Version Config History Put TFTP W alkM IB Date IPXPing Redo Zget Delete LinkTest Repeat Zput Exit Log SetM IB GetM IB Page Telnet
90. the connection for one another user or both of the users Follow the procedures under Diagnostic Tests to identify the problem think the Switch See the information in table 7 1 for what to do under these Management Module isn t conditions working anymore because the Fault LED stays on or flashes What do I do If the answer to your question is not in this table read the IP configuration and diagnostic test information on the next pages 7 3 GBuncoyss qnoiL Troubleshooting Troubleshooting IP Configuration Errors IP Configuration Errors If you are using IP communications make sure your IP configuration param eters are set properly Use the switch console s IP Configuration function as described in chapter 4 Incorrect IP configuration on the Switch Management Module will prevent it from communicating with the network management station and may cause other network problems In particular make sure you provide the Switch Management Module with a unique IP address and that you use the correct subnet mask for your network Diagnostic Tests The HP AdvanceStack Assistant and switch console provide tests and indica tors that can be used to monitor the switch and its network connections Testing the Switch and Management Module If you believe that the switch or its Management Module are not operating correctly remove and reinsert the power cord for that switch This procedure causes the s
91. tion 4 6 4 8 errors in configuration 7 4 setting the gateway address 4 8 where to specify subnet mask 4 8 IP IPX download prerequisites C 2 4 2 IPX configuration of encapsulation 4 6 gateway 4 6 Gateway Encap 4 7 network number 4 6 IPX test 7 6 ipx mib supported standard on switch 6 2 L learning bridge 3 1 4 1 LEDs description of 2 1 during self test 1 4 Fault 2 2 Self Test 2 2 used for diagnostics 7 2 Link serial 4 15 link status fora port 5 5 link test 7 5 LOGOUT ending a console session 3 7 to start required password login 3 13 M MAC address and Bootp 4 10 displaying for a port 5 8 how it can be used 2 2 listing of learned 5 7 Main menu displaying 3 3 features of 3 8 options for 5 1 options on 4 3 manager addresses listing to restrict SNMP access 4 13 manager password 3 13 definition of 3 11 recovering 3 14 when it appears 3 15 manually configuring an IP address 4 9 media definition of screen display 5 4 Index 5 epul memory amount of 5 3 message buffers definition of 5 3 MIB list of Supported ones 6 2 A 2 mode port configuring 4 5 display 5 4 modem configuration of B 1 connecting to switch 3 4 modem cable pin out 3 5 module features added to switch 1 1 features summary 2 3 installing 1 1 removing
92. ty against unauthorized console access Once a Manager password is set and the console session is ended access to the full console interface for any subsequent sessions requires the Manager password to be entered PSUDD YAMS SUL The Switch Console The Switch Console Using Password Security Note If there is only a Manager password set with no Operator password and the Manager password is not entered correctly when the console session begins the switch console operates on the Operator level If there is both a Manager password and an Operator password but neither is entered correctly access to the console will be denied If a Manager password is not set anyone having access to the console interfacecan operatetheconsole with full manager privileges regardless of whether an Operator password is set It is recommended that if you want to restrict access to the console you should always set at least a Manager password Then if you also want to restri ct access to the mi ni mal Operator capabilities also set an Operator password Passwords are case sensitive The rest of this section covers how to m Seta Password m Delete a Password m Recover from a Lost Password To set Manager and Operator passwords 1 From the Main Menu select Set Passwords This screen appears HP J3477A Switch 224T DEFAULT_CONFIG Set Password Return to Main Menu Set Operator Password Set Manager Password Delete Password Prot
93. ty indicators This configuration option is on the System configuration screen under the Configuration menu on the switch console interface See System Configuration in chapter 4 Configuring the Switch From the Console Run network communication tests Use these tests if you have link beat detected for a port Choose one of the following ways to run a test of the network communication between the switch and an addressable device connected at the remote end of each of the cables you wish to test e Select Link Test from HP AdvanceStack Assistant s Network Test function or the switch console s Advanced Commands option This causes the switch to send IEEE 802 2 Test command packets to a specified network device The device must be able to send an IEEE 802 2 Test response packet upon receipt of a Test command packet Usually this would be another network device such as a hub switch or router You specify the remote device by its 12 digit hexadecimal MAC address Select Ping Test This is anetwork layer test that you can run on TCP IP networks The switch sends ICMP Echo Request packets to a specified network device This works with devices that have an IP address and are able to respond to an ICMP Echo Request packet Most end nodes using IP will respond to this packet You specify the remote device by its IP address 7 5 GBuncoyss qnoiL Troubleshooting Troubleshooting Diagnostic Tests e SelectIPXping Test Th
94. uration screen as shown in figure 4 5 and it learns the IPX network number by listening on the network In the IPX Service configuration screen you can disable IPX management by changing the IPX Enabled value to No You can also configure an IPX gateway frame encapsulation type so that the switch can be managed from a remote IPX network as described in the next section HP J3177A Switch 2241 DEFAULT_CONFIG Configuration IPX Service Node Address 6666b6 31feeb IPX Enabled Yes Yes _ __ Gateway Encap bee eae oni iiel defaultsetting for IPX Enabled Actions gt Edit Save Help Cancel changes and return to previous screen Use arrow keys to change action selection and lt Enter gt to execute action Figure 4 5 The IPX Service Configuration Screen Default Values 4 6 Configuring the Switch From the Console Configurable Features Optional How To Configure IPX for Management from a Remote I PX Network To enable management from a remote IPX network you must configure the gateway encapsulation type 1 From the Configuration screen select IPX Service to display the above screen Press E for Edit If the IPX Enabled parameter is not already set to Yes the factory default then select this parameter and press the Space bar to select Yes Select the Gateway Encap field and use the Space bar to select the appro priate gateway encapsulation for the gateway device Pre
95. ure 6 3 traps limit 4 14 SNMP 4 14 Trap Receivers Configuration screen 4 14 8 Index troubleshooting diagnostic tests 7 4 IP configuration errors 7 4 IPX test 7 6 link test 7 5 OS download C 6 Ping test 7 5 problems and solutions 7 1 testing the ports and links 7 5 testing the switch 7 4 usingLEDs 7 2 Type column definition of screen display 5 4 U Unix TFTP server case sensitivity of C 2 Unix location of Bootp file 4 10 unrestricted write access SNMP 4 12 upload configuration how to C 8 V version displaying OS and ROM 5 3 updating with new download C 1 VT 100 terminal C 9 serial cable connection for 3 3 Ww web site accessing HP for MIB file 6 2 write access for SNMP 4 12 Z ZGet command usage C 8 ZModem for downloads C 8 ZPut command usage C 8 G HEWLETT PACKARD Technical information in this document is subject to change without notice Copyright 1997 Hewlett Packard Company Printed in USA 3 97 Manual Part Number 5966 5228
96. urn to previous screen Use arrow keys to change action selection and lt Enter gt to execute action Figure 4 10 The Serial Link Configuration Screen Default Values S Osu0D an Wud yms su Buunbyu0D 4 15 Configuring the Switch From the Console Configurable Features Note Configuring the Switch From the Console Console Configuration This screen lets you enable or disable inbound Telnet access and control the types of events displayed in the event log Also specifies the terminal type and the console screen refresh interval used by the statistics screens that is the frequency with which statistics are updated on the statistics screens Inbound Telnet is Telnet access to the switch console from another device Outbound Telnet which is using T elnet through the switch console to access another device is always enabled as long as the Switch Management Module has been configured with a valid IP address To configure an IP address for the switch refer to Internet IP Service Features on page 4 8 The Switch Management Module supports one inbound and one outbound Telnet sessions simultaneously HP J3477A Switch 2247 DEFAULT_CONFIG Configuration Console Inbound Telnet Enabled Yes Yes a default inbound Terminal VT166 T166 Telnet settin Screen Refresh Interval sec 3 3 cepeng Displayed Events All All Actions gt Edit Save Help Cancel changes and return to pr
97. witch and module to complete their power on self test Normally when the self test completes the module s Self Test LED and all Fault LE Ds onthe switch and module will go OFF If any error conditions exist in the switch or the module the LEDs should display the condition See the HP AdvanceStack Switch 208 224 I nstallation and Reference Gui deto interpret the LED display for the switch For the module see the table under Checking the Module LEDs at the beginning of this chapter 7 4 Troubleshooting Diagnostic Tests Testing the Switch s Ports and the Links To test the switch s ports and the attached network links follow these procedures 1 Check for link beat detection on the port When the switch first detects the link beat signal also called link test pulse signal coming from an active device the port LED comes ON for approximately 3 seconds This happens whenever the switch is powered on and an active device that is sending link beat is connected to the port or the connected device is powered on or the switch is powered on and an active network cable is plugged in to the port In its default configuration the switch indicates the link status for 3 seconds onits 10 Mbit s port LEDs and then converts them to displaying network activity on the port The 100 Mbit s port always operate this way You can configure the 10 Mbit s port LEDs to continuously indicate the link status and not convert to activi
98. witch console advanced commands help for more information on how to execute the network connectivity tests 7 6 Troubleshooting Resetting the Switch Resetting the Switch Resetting requires physical access to the Switch Management Module There are two levels of reset Hardware reset Momentarily interrupts switch operation performs a complete hardware self test clears the switch event log and reboots the switch To execute this test press the Reset button on the Switch Management Module with a pointed object the button is recessed to prevent accidental actuation Initially all the module and switch LEDs will be illuminated The test completes when the module Self Test and Fault LEDs turn off Configuration reset This is a drastic action that interrupts switch operation clears any passwords clears the event log performs a complete self test and reboots the switch in its factory default configura tion You should consider performing a configuration reset only if you want all configurable parameters reset to the factory default values To execute this test perform these steps Using pointed objects simultaneously press both the Reset and Clear buttons on the Switch Management Module Continue to press the Clear button while releasing the Reset button When the Self Test LED begins to flash release the Clear button an iba We er a a Ma son 1516 17 18 19 20 21 22324 OIL L L L JL LLL LL
99. y configured and connected a terminal device to your switch as described earlier in this chapter or that you have already enabled Telnet access to the switch To enable Telnet access refer to Console Configuration on page 4 16 How To Start a Console Session 1 Start your PC terminal emulator terminal or Telnet session on a remote terminal device Do one of the following e Ifyou are using Telnet go to the next step e Ifyou are usinga PC terminal emulator or a terminal you should then see the following prompt Waiting for speed sense Press lt Enter gt to continue Note f the console di splays a seri es of random and or unread able characters instead of the above prompt the Baud Rate setti ngfor thetermi nal may bedi fferent from that of theconsole interface The switch s autosensi ng feature remedies this prob lem when you press any key You may have to press the key a few times Press and go to the next step A message indicating the baud rate at which the serial interface Console RS 232 port is operating is briefly displayed followed by the copyright screen Do one of the following If a password has been set the Password prompt appears Type the password and press to display the Main Menu figure 3 3 If no password has been set you will see this prompt Press any key to continue Press to display the Main Menu figure 3 3 If there is any system down information to report the switch dis
100. z XJ 2288 PCMCIA card modem Atthe user end Issue the following AT command AT amp F NO amp W Practical Peri pherals PM288MT II V 34 Atthe switch end Issue the following AT command AT amp F0 amp C2S 0 1Q2 amp D3 amp W 0 Atthe user end Issue the following AT command AT amp FO amp W 0 B 2 File Transfers Note Overview You can download new Switch Management Module software operating system OS and upload or download Switch 208 224 configuration files These features are useful for acquiring periodic switch software upgrades and for storing or retrieving a switch configuration Downloading an Operating System There are several methods you can use to download new operating system code to the Switch Management Module You can use any of the following methods whichever is more convenient m theTFTP feature Download os command on the console Main Menu m HP s SNMP Download Manager m aswitch to switch file transfer a the switch console s Zmodem capabilities in the console Advanced Commands The rest of this section describes these methods Downloading anew OS does not change the current switch configuration The switch configuration is contained in a separate file that can also be transferred for example to be saved or used on another Switch 208 224 See Transferring Switch Configurations later in this appendix C 1 srgysue 1 3 y File Tran

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