snmp-trap | 易学教程

how to send specific trap in lwip

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问题 I am new to SNMP, I am running SNMP v2 on an embedded device and want to send a trap when the system overheats. right now I have defined this in my mib file: dartTrapObjects OBJECT IDENTIFIER ::= {dart 2} dartTraps OBJECT IDENTIFIER ::= {dart 3} temp OBJECT-TYPE SYNTAX Integer32 MAX-ACCESS read-write STATUS current DESCRIPTION "Description for an integer" ::= {dartTrapObjects 1} overheat NOTIFICATION-TYPE OBJECTS { temp } STATUS current DESCRIPTION "A custom SNMPv2 trap" ::= {dartTraps 1} my

SNMP trap not recognized by Manager

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问题 I'm attempting to create a sample application utilizing Microsoft's WinSNMP library to create an example of a trap. See the code sample below: //Send a trap; LPSTR strSrcAddr = "10.12.0.21"; LPSTR strDstAddr = "10.2.255.8"; UINT32 nDstPort = 462; smiINT snmpPduType = SNMP_PDU_TRAP; HSNMP_VBL snmpVarBindList = SnmpCreateVbl(snmpSession, NULL, NULL); assert(snmpVarBindList != SNMPAPI_FAILURE); //Copy the src address to src entity; HSNMP_ENTITY snmpSrcEntity = SnmpStrToEntity(snmpSession,

Send trap v2 in Java

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问题 How can I send snmpv2 traps from Java application. I tried to do example on snmp4j, but it didn't work. 回答1: I use SNMP4J for this. This javadoc might help you write your code. You can use the Snmp.trap() method Edit: Well, I dont have code of my own at this moment, but you may refer this one . You have to use Snmp.notify() for sending V2 trap instead of Snmp.trap() as trap() only supports sending V1 traps. 回答2: It took me some time but I finally figured out how to use SNMP4J to send a trap:

net-snmp sample code to parse MIB file and extract trap related information from it

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问题 I am using the net-snmp C library on Windows. I want to parse trap-related information from the MIB files. I need some sample code to do this. I didn't find anything useful on http://www.net-snmp.org/ 回答1: Here is some sample code to parse MIB files using the net-snmp library. Before you use this code you need to refer or add the Include and Lib directories of net-snmp in your project properties: #include "stdafx.h" #include <net-snmp/net-snmp-config.h> #include <net-snmp/net-snmp-includes.h>

How to set a specified engine ID for SNMP4J to send V3 trap

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问题 When I want to create a SNMPv3 user on the NMS, there need to input an engine ID which is an identifier string from SNMP Agent server for each user, so I input an casual id. For example: createUser -e "0x80001370017f000101" "mytrapuser1" SHA "user1authpass" AES "user1encypass" authUser log,execute,net mytrapuser1 And I can successfully send the trap from Agent server to NMS using below command: snmptrap -v 3 -a SHA -A user1authpass -x AES -X user1encypass -l authPriv -u mytrapuser1 -e

Send SNMP trap with powershell script

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问题 I'm trying to send SNMP traps with a powershell script (it has to be a powershell script, it will be running on a windows server). I have a test enviroment running that has a trap reciever. I've been following this tutorial http://www.activexperts.com/network-component/howto/snmpts/powershell10/ but I haven't gotten it to work. Below is my code, the script is running fine $objSnmpTrapManager = new-object -comobject AxNetwork.DnsServer #create object # Create a SnmpTrapOut instance

snmpd.conf clientaddr not working for sending trap /inform with given IP source address

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问题 Given the following sample/simple snmpd.conf (Net-SNMP 5.7.2 on RHEL 7.4) rwcommunity private 192.168.56.101 trapsess -Ci --clientaddr=192.168.56.128 -v 2c -c private 192.168.56.101:162 when starting a SNMP Daemon snmpd -f -Lo -D -C -c data/snmpd_test.conf udp:192.168.56.128:161 We obtain ''Start Up'' InformRequest with IP source 192.56.168.1 instead of ...128 (WireShark snapshot below) It is not surprising as the -D option allows us to output the debug information saying that trace: netsnmp

Generate SNMP traps with PHP

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问题 I'm desperately searching for a way to generate SNMP traps from PHP. I know the build in methods to use snmpget but I was not able to figure out how to send SNMP traps. Does anybody know a class / code snippet for it? Searching the web did not bring up anything other than using exec to call cli tools which is definately no option for me. I suspect that it would be neccessary to use socket_create and corresponding functionality to generate the UDP package manually... 回答1: For anybody searching

net-snmp sample code to parse MIB file and extract trap related information from it

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I am using the net-snmp C library on Windows. I want to parse trap-related information from the MIB files. I need some sample code to do this. I didn't find anything useful on http://www.net-snmp.org/ Rahul Here is some sample code to parse MIB files using the net-snmp library. Before you use this code you need to refer or add the Include and Lib directories of net-snmp in your project properties: #include "stdafx.h" #include <net-snmp/net-snmp-config.h> #include <net-snmp/net-snmp-includes.h> #include <net-snmp/definitions.h> #include <net-snmp/library/tools.h> #include <net-snmp/mib_api.h>