Compaq DS20L User Guide - Page 73
Remote Management
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Chapter 4 Remote Management This chapter contains an overview of the remote control features and describes how remote management is supported. 4.1 Overview An AlphaServer DS20L system is usually configured in a network cluster with other rack-optimized nodes. Each system has integrated network interfaces so that management stations can be used for control rather than duplicating central management functions on each system. These management stations provide for remote access to the rest of the systems. DS20L systems include remote control features to permit remote station access to firmware and operating software. Each DS20L system includes two on-board Ethernet controllers, two serial ports, and up to two PCI add-in adapters. The primary Ethernet controller supports optional special remote management control functions. (The wake-on-LAN utility highlighted in this chapter is supported only on the primary network interface port.) The secondary Ethernet controller is used for general-purpose network traffic including network management messages. The dual serial ports are used for firmware and operating system console access when not using the integrated Ethernet connections for console service. The add-in PCI adapters are used to enhance general network performance or for external peripheral devices. Serial console access is primarily used for diagnostic access in or out of the rack. In rack-optimized configurations, serial port access is usually managed with network-capable terminal servers for access to command-line interfaces instead of remote network console access and management. Remote Management 4-1
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