Only the first environment variable supports multiple parameter substitution. Individual parameters can
still be specified with additional environment variables after the initial variable.
Note
To illustrate the substitution, a single environment variable, $_eem_syslog_statement is configured as:
::cisco::eem::event_register_syslog pattern COUNT
Using the registration substitution, the $_eem_syslog_statement environment variable is used in the following
EEM user policy:
$_eem_syslog_statement occurs $_eem_occurs_val
action_syslog “this is test 3”
Environment variables must be defined before a policy using them is registered. To define the
$_eem_syslog_statement environment variable:
Device(config)# event manager environment eem_syslog_statement
::cisco::eem::event_register_syslog pattern COUNT
Device(config)# event manager environment eem_occurs_val 2
Cisco File Naming Convention for EEM
All Embedded Event Manager policy names, policy support files (for example, e-mail template files), and
library filenames are consistent with the Cisco file naming convention. In this regard, Embedded Event
Manager policy filenames adhere to the following specification:
•
An optional prefix--Mandatory.--indicating, if present, that this is a system policy that should be registered
automatically at boot time if it is not already registered. For example: Mandatory.sl_text.tcl.
•
A filename body part containing a two-character abbreviation (see the table below) for the first event
specified; an underscore part; and a descriptive field part that further identifies the policy.
•
A filename suffix part defined as .tcl.
Embedded Event Manager e-mail template files consist of a filename prefix of email_template, followed by
an abbreviation that identifies the usage of the e-mail template.
Embedded Event Manager library filenames consist of a filename body part containing the descriptive field
that identifies the usage of the library, followed by _lib, and a filename suffix part defined as .tcl.
Table 167: Two-Character Abbreviation Specification
event_register_applap
event_register_clicl
event_register_counterct
event_register_goldgo
event_register_interfaceif
event_register_ioswdsysmonio
Consolidated Platform Configuration Guide, Cisco IOS Release 15.2(4)E (Catalyst 2960-X Switches)
1770
Information About Writing Embedded Event Manager Policies Using Tcl
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