Specifications

Management Methods 4–1
4
Management Methods
This chapter describes the methods used to manage DEChub and Digital MultiStack
Systems products.
4.1 Introduction
Two methods are available for DEChub and Digital MultiStack System manage-
ment: in-band management and out-of-band management.
In-band management is the network based method that transports management
requests over the LAN. The network management station must be on the same LAN
as the module being managed or have access to the module through interconnections
within the platform.
Out-of-band management is a network independent method that uses a direct serial
connection through the platform’s or module’s Out-of-Band management (OBM)
port. The OBM method allows local or remote access to the hub or module using the
Serial Line Internet Protocol (SLIP). SLIP is used for transmitting IP packets across
serial lines.
Each method has its own configuration considerations which are described in detail
in this chapter.
4.2 In-Band Management
In-band management requires that the platform or module be assigned an In-Band
Interface IP address as part of the configuration process. Communication with the
network management station is then directed to this IP address. If the platform or
module cannot be directly assigned an IP address or does not communicate in the
appropriate protocol, then a proxy agent must be assigned.
In band management is provided by native-mode agents, IP services modules, and
proxy agents. Modules have their own agents and can provide IP services to hub
agents. They are DEChub proxies.