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Change alerts are generated when a condition changes state. These types of alerts
are forwarded to any consoles and gateways that are currently attached to the
agent management server. Change alerts cannot be cleared, since neither the agent
or the management server maintains information about the alert (other than
logging the alert). Console operators dismiss change alerts locally.
Resettable alerts are generated when a condition changes in a predefined manner.
Resettable alerts can be cleared by a console operator, or by the agent itself for
some alerts.
lanalertFSA-NW3-s1 TRAP-TYPE
ENTERPRISE lanalertFSA-NW3
VARIABLES { managementServerName,
nodeName,
eventID,
alertText
DESCRIPTION
"The LANAlert File Server Agent on NetWare 3.x has
set a priority 1 alert."
:= 1 -- set-1
Class Definition Statement File Changes
The following is the entry for lanalertFSA-NW3-s1 in the tecad_snmp.cds file:
CLASS lanalertFSA-NW3-s1
SELECT
1:ATTR(=,$ENTERPRISE),VALUE(PREFIX, "1.3.6.1.4.1.768.2");
2:$SPECIFIC=1;
3:ATTR(=,"managementServerName");
4:ATTR(=,"nodeName");
5:ATTR(=,"eventID");
6:ATTR(=,"alertText");
MAP
managementServerName=$V3;
nodeName=$V4;
eventID=$V5;
alertText=$V6;
msg=PRINTF("The LANAlert File Server Agent on %s has set
a priority 1 alert.",$V4);
END
The first line is the attribute or trap name. The first attribute (1:
ATTR(=,$ENTERPRISE) VALUE(PREFIX, ″1.3.6.1.4.1.768.2″);) specifies that this is
an enterprise trap. The OID prefix is derived from the trap definition; trap
lanalertFSA-NW3-s1 is of type ENTERPRISE lanalertFSA-NW3.
The enterprise OID prefix is 1.3.6.1.4.1 as specified in RFC1155-SMI, plus the
appropriate object identifiers. From the following lines in the MIB file, the prefix
can be expanded to 1.3.6.1.4.1.768.2:
nci OBJECT IDENTIFIER ::= { enterprises 768 }
lanalert OBJECT IDENTIFIER ::= { nci 2 }
The specific trap number is just a sequential numbering of trap definitions as
defined in the MIB definition for lanalertFSA-NW3-s1 TRAP-TYPE. In this case
lanalertFSA-NW3-s1 is the first and is denoted as follows:
2:$SPECIFIC=1;
The other attributes are derived from the trap expected object types. The definition
for lanalertFSA-NW3-s1 states that it contains the following information:
92 IBM Tivoli Enterprise Console: Adapters Guide