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101

Network Out-of-Band Management (OOBM) for the 6600 Switch

Concepts

Management communications with a managed switch can be:

■ in band—through the networked data ports of the switch

■ out of band—through a dedicated management port (or ports) separate

from the data ports

Out-of-band ports have typically been serial console ports using DB-9 or

specially wired 8-pin modular (RJ-style) connectors. Some recent HP

ProCurve switches have added networked out-of-band management ports.

The illustration below shows management connections for a typical switch.

Figure J-1. Management ports

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 in-

band management traffic. That separation means that out-of-band manage-

ment can continue to function even during periods of traffic congestion,

equipment malfunction, or attacks on the network. In addition, it can provide

J-2

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