Product specifications

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.
