Problem/Solution Table, Problem Solution | HP J3178A guide

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 do I reset the switch?	Either:
	• Push the reset button on the Switch Management
	Module.
	• Select Reboot Switch from the switch console.
	• Select the Reset command from HP AdvanceStack
	Assistant.
	• Power cycle the switch.
	Note that only the power cycle option causes the switch and
	Switch Management Module to run their diagnostic self
	tests.

None of the Management	The Module may not be installed correctly. Make sure the
Module LEDs are on.	Module is fully inserted and screws are tightened.

I can’t remember the	While the switch is on, press the Clear button on the
console password to	Management Module for at least 1 second. Then release.	Troubleshooting
configure and diagnose the	Then specify a new password to keep access to the switch	Troubleshooting
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 the connection for one
another user.	or both of the users. Follow the procedures under
	“Diagnostic Tests” to identify the problem.

I 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

Image 79

HP J3178A manual Problem/Solution Table, Problem Solution

Contents

HP AdvanceStack Switch 208/224 Management Module Page Installation and Reference Guide HP AdvanceStack Switch 208/224 Management Module Publication Number World Wide Web HP Customer Support ServicesHow to get the latest software/agent firmware HP FTP Library Service Additional HP Support Services HP First Fax Retrieval ServiceLocation Phone Number Contents Monitoring Switch Operation From the Console Spanning Tree Operation Viii Installing the Management Module Installing the Management Module Included Parts Installation StepsAnti-Static Precautions Installing Installing the Management Module Remove the cover plate Removing the Module At Power On Overview Management Module Description Management Module Description Management Module Description Module Features Page T e Switch Console Switch Console Connecting a Console to the Switch Connecting a PC or Terminal to the Console RS-232 Port Remote Console Connection Using a Modem and a PC Modem Cable Pin-Out Starting and Ending a Console Session How To Start a Console Session Main Menu How To End a Console Session Main Menu Features Actions line Screen Structure and Navigation TaskActions How To Navigate in the Console Level Actions Permitted Using Password Security To set Manager and Operator passwords Capabilities, also set an Operator password To Recover from a Lost Manager Password To Delete Password Protection Select Delete Password Protection To Recover from a Lost Operator Password Reboot Switch Option in the Main Menu Switch Console Rebooting the Switch Example of a Configuration Change Requiring a Reboot Listing of Commands Available under Advanced Commands Advanced CommandsHow To Use the Advanced Commands How To Exit from the command promptPage Configuring the Switch From the Console Configuring the Switch From the Console Default values are shown in brackets Configuring How To Access the Switch Configuration Configurable Features Configuring Configuring the Switch From the Console System Configuration Example of the Port Configuration Screen Port Configuration IPX Service Configuring the Switch From the Console Internet IP Service To manually configure the switch for IP Using BootpTo configure the switch for Bootp Bootp Operation Where Snmp Communities How To Configure the Switch for Snmp Communities Snmp Communities Add or Edit Screen Trap Receivers 10. The Serial Link Configuration Screen Default Values Serial Link Configuration 11. The Console Configuration Screen Default Values Console Configuration Press the Space bar to select Yes . This enables STP Spanning Tree Configuration 12. Example of the STP Configuration Screen Network Monitoring Port 13. The Default Network Monitoring Configuration Screen 14. Example of Selecting a Monitoring Port Saving Configurations Page Main Menu Data Type Purpose Monitoring Switch Operation From the Console Status and Counters Menu Monitoring Switch Operation From the ConsoleMonitoring Example of Switch Information Switch Information Example of Port Status Port Status Example of Port Counters Port Counters Example of Port Counters Show Details Port Counters Show Details Example of the Address Table Address Table To use the port address table Port Address Table Example of a Port Address Table for a Specific Port Example of Spanning Tree Information Spanning Tree STP Information Operation and read the Ieee 802.1d standards document 10. Example of STP Port Information Severity Date Time System Module Event Log Key Action Event Log Control Keys Switch Console Using Snmp To Monitor and Manage the Switch HP Proprietary MIBs include Snmp Management Features Snmp Configuration Process Rmon Advanced Management Rmon Ease Support Troubleshooting Checking the Module LEDs TroubleshootingStatus Description Problem Solution Problem/Solution Table Diagnostic Tests IP Configuration ErrorsTesting the Switch and Management Module Testing the Switch’s Ports and the Links Troubleshooting Resetting the Switch T e Clearing Passwords on the Switch Console HP BBS Page Environmental Specifications Supported Mibs Specifications Vcci Class 1 For Japan Only Regulatory StatementsPage At the switch Modem ConfigurationEnd At the user end Modem Configuration Downloading an Operating System File Transfers File Transfers Using Tftp To Download the OS File Writing System Software to FLASH, Back Soon Using the Switch-to-Switch Download Using the SNMP-Based HP Download Manager Jumping to console code Using the Zmodem to Download the OS File Figure C-3. Example of Message for Download Failure Troubleshooting Tftp Downloads File to be copied Command Function Transferring Switch Configurations Configuration Zput config remotefile overwrite dos/unix Spanning Tree Protocol STP Spanning Tree Operation Spanning Tree Operation Clear button description … Index Defaultconfig IP/IPX MIB STP Tftp Page 5966-5228