Accessing ECAM Information
To obtain ECAM information, it is recommended that you use RMON Management
Software that provides a graphical user interface such as IBM’s Nways Manager for
AIX Remote Monitor or Nways Workgroup Remote Monitor for Windows NT.
ECAM information is not available using the terminal interface.
IBM Token-Ring Surrogate MIB and Surrogate Trap MIB
The 8239 Model 1 contains a Surrogate Agent that is defined by the following
MIBs:
¹
IBM Surrogate MIB
¹
IBM Surrogate Trap MIB
The Surrogate Agent consists of the Surrogate Group and the following server
functions:
¹
CRS
¹
REM
¹
RPS
CRS, REM, and RPS allow active media management of Token-Ring networks.
REM analyzes MAC errors locally, providing early detection and assistance in
locating the problem source. CRS provides accurate displays of stations and their
order on the ring. RPS provides operational parameters to Token-Ring stations so
that they can be centrally managed.
The IBM Surrogate Trap MIB contains traps that the server functions send to
provide real-time information about occurrences on the network to an SNMP
Management Application such as IBM’s Nways Campus Manager LAN for AIX.
Surrogate Group
The Surrogate Group contains information regarding the administrative and
operational status of the CRS, REM, and RPS servers. It also provides the
following information:
¹
The MAC address being used by the Surrogate Agent
¹
The ring segment number
¹
Ring utilization
Configuring the 8239 Model 1 to Support the Surrogate Group
To use any of the Surrogate Agent functions, you must enable the Surrogate
Group. The factory setting for the Surrogate Group is disabled. To enable the
Surrogate Group, issue an SNMP Set request to the appropriate MIB object in the
IBM 8239 MIB or use either one of the following terminal interface commands:
¹
ENABLE TR_SURROGATE SURR_STATUS SURR_ADMIN
¹
SET MANAGEMENT_INTERFACE SURROGATE_GROUP ENABLE
Although the Surrogate Group administrative state is not part of the Surrogate MIB,
this state allows you to easily activate or deactivate all of the Surrogate server
functions. It also allows you to obtain ring utilization information and update the ring
segment number without having any of the Surrogate server functions operational.
Chapter 8. Network Management
8-11
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