HP Ethernet BL-c manual

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o From the serial console interface, be sure that the switch IP address is configured and valid on the network.
o Use the correct IP address to establish the SNMP connection with the switch.
The management network address/mask (if used) does not contain the IP address of the management station. From the serial console interface, be sure that the management network address/mask contains the IP address of the management station.
Troubleshooting
The switch IP address is not configured or correct.
o From the serial console interface, be sure that the switch IP address is configured and valid on the network.
o Use the correct IP address to establish the SSH connection with the switch.
The setting allowing access to the switch using the SSH interface is disabled.
From the serial console interface, be sure that the SSH interface is enabled and all the settings are configured correctly.
The management network address/mask (if used) does not contain the IP address of the management station. From the serial console interface, be sure that the management network address/mask contains the IP address of the management station.
Cannot connect to the switch SNMP interface
Action:
The switch IP address is not configured or correct.
The setting allowing access to the switch using the Telnet interface is disabled. From the serial console interface, be sure that the Telnet interface is enabled.
The management network address/mask (if used) does not contain the IP address of the management station. From the serial console interface, be sure that the Management Network Address/Mask contains the IP address of the management station.
Password is not accepted by the switch using the remote console interface immediately after a reboot
Action:
The switch is still working on network convergence. Wait up to 10 seconds for the password to be accepted.
Cannot connect to the switch console interface remotely using SSH
Action:

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Contents HP 110Gb Ethernet BL-c Switch User Guide Audience assumptions Contents Replacing a switch Acronyms and abbreviations Index Introduction FeaturesAdditional references Enterprise class performanceIntroduction Configuration and management Switch redundancySwitch architecture Diagnostic toolsPort Mapping Dual switches Layer 3 switching Layer 2 switchingSupported technologies Redundant crosslinksSpanning Tree Protocol Ieee 802.1 Q-based VlanPort mirroring Store and forward switching schemePort trunking and load balancing Tftp supportRadius XModem SSH and SCPIgmp Snooping Jumbo framesRedundant images in firmware Component identification 110Gb Ethernet Blade Switch front panelGreen-Link LED top Preparing for installation Installing the switchPlanning the switch configuration Default settingsUser, operator, and administrator access rights Switch securityConfiguring multiple switches Manually configuring a switchInstalling the switch Accessing the switch Logging on and configuring the switch Supporting software and special considerations Installing XFP transceiversInstalling the switch Replacing an existing switch Replacing a switchReplacing a switch Class a equipment Regulatory compliance noticesModifications CablesBsmi notice Japanese class a notice European Union regulatory noticeKorean class a notice Laser compliance General specifications Technical specificationsSTP Port names, VLANs, STP, trunking default settingsGeneral default settings Runtime switching software default settingsSTP Algorithm Setting Value Mstp UFD Igmp Performance specifications Physical and environmental specificationsCategory Specification Serial upgrade of boot code firmware image procedure Performing a serial downloadIntroduction Performing a serial download Performing a serial download 10G100.bin Serial upgrade of operating system firmware procedurePerforming a serial download Performing a serial download Snmp MIBs support MIB overviewSnmp Manager software Supported traps Supported MIBsSnmp MIBs support Electrostatic discharge Preventing electrostatic dischargeGrounding methods to prevent electrostatic discharge Standard RJ-45 receptacle/connector RJ-45 pin specificationRJ-45 signals RJ-45 pins DB-9 pins DB-9 signals Health LED on the switch is not on TroubleshootingTroubleshooting Bootp Page Troubleshooting Troubleshooting Switch configuration is corrupt XFP transceiver port is disabledDownload fails after starting to download the firmware file Acronyms and abbreviations Ieee NTP SCP Index Switch self-test, troubleshooting