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node-red-nodes/io/snmp/README.md

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node-red-node-snmp
==================
A pair of <a href="http://nodered.org" target="_new">Node-RED</a> nodes that
fetch either individual oids, or a table oid from a SNMP enabled host.
Install
-------
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Run the following command in your Node-RED user directory - typically `~/.node-red`
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npm install node-red-node-snmp
Usage
-----
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### snmp
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SNMP oids fetcher. Can fetch a single or comma separated list of oids. Triggered by any input.
`msg.host` may contain the host.
`msg.community` may contain the community.
`msg.oid` may contain a comma separated list of oids to search for. (no spaces)
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The host configured in the edit config will override `msg.host`. Leave blank if you want to use `msg.host` to provide input.
The community configured in the edit config will override `msg.community`. Leave blank if you want to use `msg.community` to provide input.
The oids configured in the edit config will override `msg.oid`. Leave blank if you
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want to use `msg.oid` to provide input.
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Outputs `msg.payload` containing a table of objects, and the requested `msg.oid`.
Values depends on the oids being requested.
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### snmp-set
SNMP sets the value of one or more OIDs.
`msg.host` may contain the host.
`msg.community` may contain the community.
`msg.varbinds` may contain an array of varbind JSON objects e.g.:
```
msg.varbinds = [
{
"oid": "1.3.6.1.2.1.1.5.0",
"type": "OctetString",
"value": "host1"
}, {
"oid": "1.3.6.1.2.1.1.6.0",
"type": "OctetString",
"value": "somewhere"
}
];
```
Types can be:
* `Boolean`
* `Integer`
* `OctetString`
* `Null`
* `OID`
* `IpAddress`
* `Counter`
* `Gauge`
* `TimeTicks`
* `Opaque`
* `Integer32`
* `Counter32`
* `Gauge32`
* `Unsigned32`
* `Counter64`
* `NoSuchObject`
* `NoSuchInstance`
* `EndOfMibView`
The host configured in the edit config will override `msg.host`. Leave blank if you want to use `msg.host` to provide input.
The community configured in the edit config will override `msg.community`. Leave blank if you want to use `msg.community` to provide input.
The varbinds configured in the edit config will override `msg.varbinds`. Leave blank if you want to use `msg.varbinds` to provide input.
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### snmp-table
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Simple SNMP table oid fetcher. Triggered by any input.
`msg.host` may contain the host.
`msg.community` may contain the community.
`msg.oid` may contain the oid of a single table to search for.
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The host configured in the edit config will override `msg.host`. Leave blank if you want to use `msg.host` to provide input.
The community configured in the edit config will override `msg.community`. Leave blank if you want to use `msg.community` to provide input.
The oid configured in the edit config will override `msg.oid`. Leave blank if you
want to use `msg.oid` to provide input.
Outputs `msg.payload` containing the table of objects, and the requested `msg.oid`.
Values depends on the oids being requested.
### snmp-subtree
Simple SNMP oid subtree fetcher. Triggered by any input.
`msg.host` may contain the host.
`msg.community` may contain the community.
`msg.oid` may contain the oid of a single table to search for.
The host configured in the edit config will override `msg.host`. Leave blank if you want to use `msg.host` to provide input.
The community configured in the edit config will override `msg.community`. Leave blank if you want to use `msg.community` to provide input.
The oid configured in the edit config will override `msg.oid`. Leave blank if you
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want to use `msg.oid` to provide input.
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Outputs `msg.payload` containing the table of objects, and the requested `msg.oid`.
Values depends on the oids being requested.
### snmp-walker
Simple SNMP oid walker fetcher. Triggered by any input.
`msg.host` may contain the host.
`msg.community` may contain the community.
`msg.oid` may contain the oid of a single table to search for.
The host configured in the edit config will override `msg.host`. Leave blank if you want to use `msg.host` to provide input.
The community configured in the edit config will override `msg.community`. Leave blank if you want to use `msg.community` to provide input.
The oid configured in the edit config will override `msg.oid`. Leave blank if you
want to use `msg.oid` to provide input.
Outputs `msg.payload` containing the table of objects, and the requested `msg.oid`.
Values depends on the oids being requested.