UPDATE
Turns out that I am able to query from the cmd shell snmpwalk, but not from
Manage Engine GUI. So leads me to suspect it is ok after all.
Thanks,
On Wednesday, February 9, 2022, 12:45:34 p.m. EST, Ian C via
Net-snmp-coders <[email protected]> wrote:
I'm using the node net-snmp package to create a simple subagent but I cannot
query its only table provider (Error in packet... No such variable name in
MIB). I have installed net-snmp and registered it, I am able to query simple
things such as uptime:
C:\usr\etc\snmp>snmpwalk -v1 -c public 127.0.0.1 .1.3.6.1.2.1.1.3
DISMAN-EVENT-MIB::sysUpTimeInstance = Timeticks: (306196) 0:51:01.96
So, at least I know the snmpd is running and responding.
My snmpd.conf:rwcommunity public
master agentx
agentXSocket tcp:localhost:705load 12 12 12
Any thoughts would be greatly appreciated.
thanksIan in Ottawa
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net-snmp
JavaScript implementation of the Simple Network Management Protocol (SNMP).
Latest version: 3.5.8, last publishe...
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Test table query:C:\usr\etc\snmp>snmpget -v1 -c public 127.0.0.1
1.3.6.1.4.1.8072.9999.9999.2
Error in packet
Reason: (noSuchName) There is no such variable name in this MIB.
Failed object: NET-SNMP-MIB::netSnmpPlaypen.2
Js subagent:let snmp = require("net-snmp");
export class SNMPServer { private static instance: SNMPServer; subagent: null
| any mib: null | any private constructor() { this.subagent =
snmp.createSubagent(suboptions); } public static getInstance(): SNMPServer {
if (!SNMPServer.instance) { SNMPServer.instance = new SNMPServer();
} return SNMPServer.instance; }
public openSubAgent() { this.subagent.open( this.openCallback ); }
openCallback = ( error: any, data: any ) => { if ( error ) {
console.error('subagent.open() ERROR:' +error); } else {
console.log('subagent.open() OK...'+data) this.subagent.registerProvider
(myTableProvider, registerProviderCallback); this.mib =
this.subagent.getMib(); if (this.mib != null) {
this.mib.addTableRow ("smallIfTable", [1, "IAN", 12]);
console.log("SNMP Server: SubAgent-MIB Invoked"); } else {
console.error ("Subagent Get MIB failure"); } } }
public closeSubAgent() { this.subagent.unregisterProvider(myTableProvider,
()=>{} ); this.subagent.close (() => {}); }}
// Default suboptionsvar suboptions = { debug: true, master: "localhost",
masterPort: 705, timeout: 0, description: "Node net-snmp AgentX
sub-agent"};
var registerProviderCallback = function (error: any, data: any) { if ( error
) { console.error ('CREATE SUBAGENT ERROR '+error); } else {
console.log ('OK SNMP CREATE SUBAGENT '+JSON.stringify(data, null, 2)); }};
var myTableProvider = { name: "smallIfTable", type:
snmp.MibProviderType.Table, oid: "1.3.6.1.4.1.8072.9999.9999.2",
tableColumns: [ { number: 1, name: "CampField1",
type: snmp.ObjectType.Integer }, { number: 2,
name: "CampField2", type: snmp.ObjectType.OctetString
}, { number: 3, name: "CampField3",
type: snmp.ObjectType.Integer } ], tableIndex: [ {
columnName: "CampField1" } ], handler: function (mibRequest:
any) { console.log('MibRequest!') // e.g. can update the table
before responding to the request here mibRequest.done(); }};
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