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FS-8704-09 – SNMP

Driver Version: 1.03

Document Revision: 2

FieldServer Driver – Ethernet

FS-8704-09

SNMP

Description

The SNMP driver allows the FieldServer to transfer data to and from devices over Ethernet using the SNMP version 1 protocol. The FieldServer can emulate either a Server (SNMP Agent) or Client.

The Client can be configured to read values specified by their SNMP Object Identifiers (OID’s), which are defined in the MIB file (Management Information Base) of the target device.  When acting as an SNMP Agent (Server), the driver makes the contents of specified integer data arrays available to any SNMP Client.  The FieldServer MIB file sets out the OID’s to use.

The current version of the driver can send and receive SNMP traps. The following SNMP data types are currently supported:

  • · INTEGER
  • · OCTET_STREAM
  • · TIMER_TICKS
  • · STRING

The maximum number of traps currently supported is 255.

The FieldServer Enterprise ID is 6347.  MIB files are generated automatically from the FieldServer configuration files. A selection of standard MIB-2 OID’s are supported to allow interaction with popular Network Management packages.

FieldServer ModeNodesComments
Client25Each Node is specified by a unique IP address
Server1As a Server the SNMP driver can act as a single Node only

Formal Driver Type

Ethernet

Client (Active or Passive) or Server


Compatibility Matrix

FieldServer ModelCompatible with this driver
FS-x2010Yes
FS-x2011Yes
FS-x25Yes
FS-x30Yes
FS-x40Yes
SlotServerYes

Connection Information

Connection type:Ethernet
Ethernet Speeds Supported10Base-T, 100Base-T[1]

 

Devices Tested

DeviceTested (FACTORY, SITE)
MG-Soft MIB Browser and Trap RingerFactory
Visual MIBrowser Pro from NuDesignFactory


Connection Configurations

1. FieldServer as SNMP Agent (Server)

2. FieldServer as SNMP Client


Connection Notes

1. TCP/IP Configuration: Ensure that the FieldServer and all Nodes to be monitored via SNMP have the same Netmask setting.

2. Default IP ports

  • Port 161 – Poll/Walk commands
  • Port 162 – Traps

Communications Functions - Supported Functions at a Glance:

Data Types Supported

FieldServer Data TypeDescription (or Device Data Type)
INTEGER
OCTET_STREAMCharacter strings
TIMER_TICKSTimer values in 1/100ths of a second


MIB-2 Variables Supported

Many Network Management systems poll these variables to connect to the SNMP Agent.

OIDDescription (or Device Data Type)
1.3.6.1.2.1.1.1sysDescr
1.3.6.1.2.1.1.2sysObjectID
1.3.6.1.2.1.1.3sysUpTime
1.3.6.1.2.1.1.4sysContact
1.3.6.1.2.1.1.5sysName
1.3.6.1.2.1.1.6sysLocation
1.3.6.1.2.1.1.7sysServices


Read Operations Supported 

FieldServer as a ClientFieldServer as a Server
SNMP Get RequestSNMP Get Request
SNMP GetNext Request / SNMP Walk (SNMP GetNext Request / SNMP Walk

 

Write (Control) Operations Supported

FieldServer as a ClientFieldServer as a Server
SNMP Set RequestSNMP Set Request

 

Unsolicited Operations Supported

FieldServer as a ClientFieldServer as a Server
Receive Traps specified by OIDData stored by matching OID or by using OID string values to form lookup string.Send Traps specified by OIDTrap sent based on data change rules, periodic or on source data update.


Unsupported Functions and Data Types 

Data TypesReason
Only the following SNMP Data Types are supported:INTEGER

OCTET_STREAM

TIMER_TICKS

STRING

Further types will be implemented as required.
MIB-2 variables not specified aboveThe FieldServer primarily being a protocol converter, these variables are not necessary.

Unsupported Devices or Protocol Options

Protocol VersionsDetails
SNMPv2, SNMPv3Not supported

[1] Not all FieldServer models support 100BaseT.  Consult the appropriate instruction manual for details of the Ethernet speed supported by specific hardware

Gateway Selector

Select your combination of protocols.
Protocol 1
Protocol 2

Related Products

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