HP GbE2c manual Action

Page 49

The switch fails to get its IP settings from the BOOTP server, even though by default it is configured for BOOTP

Action:

•The switch is not connected properly to the network. Check the cable and connections and be sure that there is network connectivity between the switch and the BOOTP server.

•The BOOTP server is not available on the network or VLAN that is attached to the switch management port. Be sure that the BOOTP server is present on the network or VLAN attached to the switch.

•The BOOTP server cannot offer IP settings to the switch because no IP addresses are available. Add additional IP addresses as necessary.

•The switch timed out its request for IP settings. Reset the switch.

The keyboard locks up when using HyperTerminal to log on to the switch through the console interface

Action:

Scroll lock is on. Press the Scroll Lock key on the keyboard and be sure that the scroll lock is off.

Cannot connect to the switch console interface remotely using Telnet

Action:

•The switch IP address is not configured or correct.

•From the serial console interface, be sure that the switch IP address is configured and valid on the network.

•Use the correct IP address to establish the Telnet connection with the switch.

•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:

Troubleshooting 49

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Contents May 2006 First Edition Part Number Audience assumptions Contents Replacing and upgrading the switch Acronyms and abbreviations Index Introduction FeaturesOverview Additional referencesIntroduction Configuration and management Switch redundancyDiagnostic tools Switch architecturePort Mapping Dual switches Redundant crosslinksSupported technologies Layer 2 switchingRedundant paths to server bays Ieee 802.1 Q-based VlanPort mirroring Store and forward switching schemePort trunking and load balancing Tftp supportNTP SSH and SCP Auto-negotiation of duplex mode and speedXModem Igmp SnoopingRedundant images in firmware External componentsRear panel Connectors Planning the switch configuration Installing the switchDefault settings User, operator, and administrator access rights Switch securityManually configuring a switch Installing the switchConfiguring multiple switches Preparing for installationInstalling the switch Accessing the switchLogging on and configuring the switch Supporting software and special considerations Cabling the switchReplacing an existing switch Replacing and upgrading the switchReplacing and upgrading the 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 specificationsGeneral default settings Runtime switching software default settingsSTP Page Mstp UFD Igmp Port names, VLANs, STP, trunking default settings Performance specifications Physical and environmental specificationsPage Performing a serial download Serial upgrade of boot code firmware image procedureIntroduction Performing a serial download Serial upgrade of operating system firmware procedure Performing a serial download Performing a serial download MIB overview Snmp MIBs supportSnmp Manager software Supported traps Supported MIBsSnmp MIBs support Preventing electrostatic discharge Electrostatic dischargeGrounding methods to prevent electrostatic discharge Standard RJ-45 receptacle/connector RJ-45 pin specificationConfigured on the switch TroubleshootingHealth LED on the switch is not on Action Action Cannot connect to the switch Snmp interface Vlans Cannot enable a port in multiple VLANs while configuringDownload fails after starting to download the firmware file Switch configuration is corruptAcronyms and abbreviations LAN OSI UDP Index Snmp MIBs, supported Snmp traps, supported
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GbE2c specifications

The HP GbE2c is a high-performance Ethernet Switch designed to meet the increasing demands of data center environments. As a critical component in Hewlett-Packard's networking lineup, the GbE2c provides a seamless blend of speed, reliability, and advanced networking capabilities, making it an essential tool for enterprises aiming to enhance their network infrastructure.

One of the standout features of the HP GbE2c is its support for Gigabit Ethernet, which allows for high-speed data transmission and reduced latency. This switch is designed to support the growing bandwidth needs of modern applications, ensuring that data is transmitted quickly and efficiently across the network. The GbE2c is particularly beneficial for organizations implementing virtualization technologies, as its Gigabit interfaces help in optimizing data flow between virtual machines.

The GbE2c also incorporates advanced Layer 2 and Layer 3 switching capabilities. This ensures that it can handle both basic and more complex networking tasks, such as routing traffic between different VLANs and enabling Internet Protocol (IP) addressing. The switch supports various protocols, enabling seamless integration into a wide range of network environments.

Additionally, the HP GbE2c is equipped with a robust management system that allows network administrators to easily configure and monitor network settings. With its user-friendly interface, administrators can gain insights into traffic patterns, performance metrics, and potential issues, helping to maintain optimal network performance.

Power efficiency is another key characteristic of the HP GbE2c. The switch is designed to minimize power consumption without sacrificing performance, making it a more sustainable choice for data centers aiming to reduce their carbon footprint. This energy-efficient design is crucial for enterprises looking to lower operational costs while maintaining a high level of service.

The HP GbE2c also boasts high availability features, including redundant power supplies and failover options, ensuring that the network remains operational even in the event of a component failure. This reliability is critical for businesses that require uninterrupted network access for their daily operations.

In summary, the HP GbE2c Ethernet Switch combines speed, versatility, and efficiency, making it an ideal choice for businesses seeking to enhance their networking capabilities. Its robust feature set, advanced management options, and focus on energy efficiency position it as a top-tier solution in the competitive networking landscape. Organizations can rely on the GbE2c to deliver high performance and reliability, thus meeting the demands of today's data-intensive environments.
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