Comtech EF Data CDD-880 Especificaciones descargar pdf (Pagina 63)

CDD-880 Multi Receiver Router Revision 1

Ethernet-based Remote Product Management MN-CDD880

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 managem ent 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MI

BfilesareassociatedwiththeCDD‐880:



MIB File/Name

(where ‘x’ is revision letter)

Description

FW10874-2x.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-0000423x_CDD880.mib

CDD-880 MIB file

MIB file consists of all of the OIDs for CDD-880 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 CDD‐880 uses Community Strings as a password scheme that provides auth

entication

before gaining access to the CDD‐880 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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