HP GbE2c manual Cannot connect to the switch Snmp interface

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•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 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.

•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 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.

The port activity LEDs continuously indicate activity after connecting more than one port to another switch or destination device

Action:

Because there are multiple links across this device and the destination device, they form loops, which cause broadcast storms. Enable STP for multiple links. This setting prevents loops and maintains standby links for resilience in case of primary link failure.

Cannot connect to the switch remotely using the Web interface

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 Web connection with the switch.

•Access to the switch using the Web interface is disabled. From the serial console interface, be sure that the Web interface is enabled.

•The Proxy server settings are configured on the Internet browser and the proxy server does not know the switch IP address. Disable the manual proxy settings on the Web browser and let it automatically find Web servers using the IP address.

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Contents May 2006 First Edition Part Number Audience assumptions Contents Replacing and upgrading the switch Acronyms and abbreviations Index Overview FeaturesIntroduction Additional referencesIntroduction Switch redundancy Configuration and managementPort Mapping Dual switches Switch architectureDiagnostic tools Redundant crosslinksRedundant paths to server bays Layer 2 switchingSupported technologies Ieee 802.1 Q-based VlanPort trunking and load balancing Store and forward switching schemePort mirroring Tftp supportNTP XModem Auto-negotiation of duplex mode and speedSSH and SCP Igmp SnoopingRear panel External componentsRedundant images in firmware Connectors Default settings Installing the switchPlanning the switch configuration Switch security User, operator, and administrator access rightsConfiguring multiple switches Installing the switchManually configuring a switch Preparing for installationAccessing the switch Installing the switchLogging on and configuring the switch Cabling the switch Supporting software and special considerationsReplacing and upgrading the switch Replacing an existing switchReplacing and upgrading the switch Modifications Regulatory compliance noticesClass a equipment CablesEuropean Union regulatory notice Bsmi notice Japanese class a noticeKorean class a notice Laser compliance Technical specifications General specificationsRuntime switching software default settings General default settingsSTP Page Mstp UFD Igmp Port names, VLANs, STP, trunking default settings Physical and environmental specifications Performance specificationsPage Introduction Serial upgrade of boot code firmware image procedurePerforming a serial download Performing a serial download Serial upgrade of operating system firmware procedure Performing a serial download Performing a serial download Snmp Manager software Snmp MIBs supportMIB overview Supported MIBs Supported trapsSnmp MIBs support Grounding methods to prevent electrostatic discharge Electrostatic dischargePreventing electrostatic discharge RJ-45 pin specification Standard RJ-45 receptacle/connectorHealth LED on the switch is not on TroubleshootingConfigured on the switch Action Action Cannot connect to the switch Snmp interface Cannot enable a port in multiple VLANs while configuring VlansSwitch configuration is corrupt Download fails after starting to download the firmware fileAcronyms 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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