HP 6120XG ProCurve Series 6120 Blade Switches Management and Configuration Gui - Page 557
D-1., C-class enclosure OA Management port, Table A-1., Switch Management Ports
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Network Out-of-Band Management (OOBM) Concepts management port (networked, out of band) Figure D-1. C-class enclosure OA Management port Out-of-band management (OOBM) operates on a "management plane" that is separate from the "data plane" used by data traffic on the switch and by inband management traffic. That separation means that out-of-band management can continue to function even during periods of traffic congestion, equipment malfunction, or attacks on the network. In addition, it can provide improved switch security: a properly configured switch can limit management access to the management port only, preventing malicious attempts to gain access via the data ports. Network OOBM typically occurs on a management network that connects multiple switches. It has the added advantage that it can be done from a central location and does not require an individual physical cable from the management station to each switch's console port. The table below summarizes the switch management ports. Table A-1. Switch Management Ports Management interface Communication plane Connection port Connector type In Band Out Of Band Networked Directly connected Networked command line (CLI), menu, Web command line (CLI), menu command line (CLI), menu data plane management plane management plane any data port dedicated serial or USB console port dedicated networked management port usually RJ-45; also CX4, SFP, OA C-class DB9 serial SFP+, and XFP Mini-b USB G-3