Comtech EF Data CDM-800 Spezifikationen PDF herunterladen (Seite 63)

CDM-800 Gateway Router Revision 1

Ethernet-based Remote Product Management MN-CDM800

5–3

5.3 SNMP Interface

The Simple Network Management Protocol (SNMP) is an Internet‐standard protocol for

managing devices on IP networks. An SNMP‐managed network consists of three key

components:



• Themanageddevice.ThisincludestheCDM‐840RemoteRouter.



• The SNMP Agent.Thesoftwarethat runson the CDM‐840.TheCDM‐840SNMPAgent

supportsbothSNMPv1andSNMPv2c.



• Theuser‐suppliedNetworkManagementSystem(NMS).Thesoftwarethatrunsonthe

manager.

5.3.1 Management Information Base (MIB) Files

MIB files are used for SNMP remote management of a unique device. A MIB file consists of a

tree of nodes called Object Identifiers (OIDs). Each OID provides remote management of a

particularfunction.TheseMIBfilesshouldbecompiledinauser‐supplied MIBBrowserorSNMP

NetworkMonitoringSystemserver.ThefollowingMIBfilesareassociated

withtheCDM‐800:



MIB File/Name

(where ‘x’ is revision letter)

Description

ComtechEFData.mib

ComtechEFData Root MIB file

ComtechEFData MIB file gives the root tree for ALL Comtech EF Data

products and consists of only the following OID:

Name: comtechEFData

Type: MODULE-IDENTITY

OID: 1.3.6.1.4.1.6247

Full path:

iso(1).org(3).dod(6).internet(1).private(4).enterprises(1).comtechEFData(6247)

Module: ComtechEFData

FW-0000430x_CDM800.mib

CDM-800 MIB file

MIB file consists of all of the OIDs for CDM-800 M&C

5.3.2 SNMP Community Strings



In SNMP v1/v2c, the SNMP Community String is sent unencrypted in the SNMP

packets.CautionmustbetakenbythenetworkadministratortoensurethatSNMP

packetstravelonlyoverasecureandprivatenetworkifsecurityisaconcern.



The CDM‐800 uses Community Strings as a password scheme that provides authenti

cation

before gaining access to the CDM‐800 Agent MIBs. They are used to authenticate users and

determineaccessprivilegestotheSNMPagent.



Type the SNMP Community String into the user ‐supplied MIB Browser or Network Node

Managementsoftware.



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