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Configuration Guide - Device Management

S2720, S5700, and S6720 V200R013C00

This document describes the configurations of Device Management, including device status query, hardware management, Stack, SVF, cloud-based management, PoE, monitoring interface, OPS, energy-saving management, information center, fault management, NTP, synchronous ethernet, PTP.

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Trap Event Subscription

Trap Event Subscription

Interface Name

Trap event subscription

Application Phase

Subscription phase

API Prototype

result1_value, result2_description = ops.trap.subscribe(tag, moduName, trapLevel, infoAlias, trapInfo, trapOID)






Indicates conditions.

The value is a string of 1 to 12 case-insensitive characters, consists of letters, digits, and underscores (_), and starts with a letter. The value cannot be one of the following: "", None, and, or, andnot. The value cannot contain \0.


Indicates a trap module name.

The value is a string of 0 to 31 case-sensitive characters and cannot contain \0.


Indicates the trap severity.

The value is an integer that ranges from 1 to 6. The default value is None, indicating that the trap severity is not matched.


Indicates a trap alias.

The value is a string of 0 to 31 case-sensitive characters and cannot contain \0.


Indicates trap information.

The value is a string of 0 to 255 case-sensitive characters and cannot contain \0.


Indicates a trap OID.

The value is a string of 0 to 255 characters and cannot contain \0.

Return Value

The result1_value and result2_description in the API prototype indicate return values.

The result1_value is the first return value, 0 indicates success, and 1 indicates failure.

The result2_description is the second return value, indicating the failure cause. It is returned only when the first return value is 1.

Usage Description

If multiple simple events are defined using the ops.trap.subscribe API in the subscription phase, but the simple events are not combined through the Multi-Condition Combination API, the Python script assistant cannot be configured.

The trap event subscription matches a specified trap.


When the trap EOAM_Y1731/4/AISEXCEEDPKTNUMCLEARED:OID [] The number of AIS packets transmitted in one second under the maximum. is generated, the corresponding action is triggered.

value, descri_str = ops.trap.subscribe("trap", "EOAM_Y1731", 4, "AISEXCEEDPKTNUMCLEARED", "The number of AIS packets transmitted in one second under the maximum.", "")
Updated: 2019-04-20

Document ID: EDOC1100065674

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