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VMG3926-B10A User’s Guide
246
C
HAPTER
32
TR-069 Client
32.1
Overview
This chapter explains how to configure the VMG’s TR-069 auto-configuration settings.
32.2
The TR-069 Client Screen
TR-069 defines how Customer Premise Equipment (CPE), for example your VMG, can be managed
over the WAN by an Auto Configuration Server (ACS). TR-069 is based on sending Remote
Procedure Calls (RPCs) between an ACS and a client device. RPCs are sent in Extensible Markup
Language (XML) format over HTTP or HTTPS.
An administrator can use an ACS to remotely set up the VMG, modify settings, perform firmware
upgrades as well as monitor and diagnose the VMG. You have to enable the device to be managed
by the ACS and specify the ACS IP address or domain name and username and password.
Click
Maintenance > TR-069 Client
to open the following screen. Use this screen to configure
your VMG to be managed by an ACS.
Figure 145
Maintenance > TR-069 Client
The following table describes the fields in this screen.
Table 115
Maintenance > TR-069 Client
LABEL
DESCRIPTION
Inform
Select
Enable
for the VMG to send periodic inform via TR-069 on the WAN. Otherwise,
select
Disable
.
Inform Interval
Enter the time interval (in seconds) at which the VMG sends information to the auto-
configuration server.
ACS URL
Enter the URL or IP address of the auto-configuration server.
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Chapter 32 TR-069 Client
VMG3926-B10A User’s Guide
247
ACS User Name
Enter the TR-069 user name for authentication with the auto-configuration server.
ACS Password
Enter the TR-069 password for authentication with the auto-configuration server.
WAN Interface
used by TR-069
client
Select a WAN interface through which the TR-069 traffic passes.
If you select
Any_WAN
, the VMG automatically passes the TR-069 traffic when any WAN
connection is up.
If you select
Multi_WAN
, you also need to select two or more pre-configured WAN
interfaces. The VMG automatically passes the TR-069 traffic when one of the selected WAN
connections is up.
Display SOAP
messages on
serial console
Select
Enable
to show the SOAP messages on the console.
Connection
Request
Authentication
Select this option to enable authentication when there is a connection request from the ACS.
Connection
Request User
Name
Enter the connection request user name.
When the ACS makes a connection request to the VMG, this user name is used to
authenticate the ACS.
Connection
Request
Password
Enter the connection request password.
When the ACS makes a connection request to the VMG, this password is used to
authenticate the ACS.
Connection
Request URL
This shows the connection request URL.
The ACS can use this URL to make a connection request to the VMG.
Local certificate
used by TR-069
client
You can choose a local certificate used by TR-069 client. The local certificate should be
imported in the
Security
>
Certificates
>
Local Certificates
screen.
Apply
Click
Apply
to save your changes.
Cancel
Click
Cancel
to exit this screen without saving.
Table 115
Maintenance > TR-069 Client (continued)
LABEL
DESCRIPTION
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Chapter 32 TR-069 Client
VMG3926-B10A User’s Guide
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Page 249 / 327
VMG3926-B10A User’s Guide
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C
HAPTER
33
SNMP
33.1
Overview
This chapter explains how to configure the SNMP settings on the VMG.
33.2
The SNMP Screen
Simple Network Management Protocol is a protocol used for exchanging management information
between network devices. Your VMG supports SNMP agent functionality, which allows a manager
station to manage and monitor the VMG through the network. The VMG supports SNMP version one
(SNMPv1) and version two (SNMPv2c). The next figure illustrates an SNMP management operation.
Figure 146
SNMP Management Model
An SNMP managed network consists of two main types of component: agents and a manager.
An agent is a management software module that resides in a managed device (the VMG). An agent
translates the local management information from the managed device into a form compatible with
SNMP. The manager is the console through which network administrators perform network
management functions. It executes applications that control and monitor managed devices.
The managed devices contain object variables/managed objects that define each piece of
information to be collected about a device. Examples of variables include such as number of
packets received, node port status etc. A Management Information Base (MIB) is a collection of
managed objects. SNMP allows a manager and agents to communicate for the purpose of accessing
these objects.
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Chapter 33 SNMP
VMG3926-B10A User’s Guide
250
SNMP itself is a simple request/response protocol based on the manager/agent model. The
manager issues a request and the agent returns responses using the following protocol operations:
•
Get - Allows the manager to retrieve an object variable from the agent.
•
GetNext - Allows the manager to retrieve the next object variable from a table or list within an
agent. In SNMPv1, when a manager wants to retrieve all elements of a table from an agent, it
initiates a Get operation, followed by a series of GetNext operations.
•
Set - Allows the manager to set values for object variables within an agent.
•
Trap - Used by the agent to inform the manager of some events.
Click
Maintenance > SNMP
to open the following screen. Use this screen to configure the VMG
SNMP settings.
Figure 147
Maintenance > SNMP
The following table describes the fields in this screen.
Table 116
Maintenance > SNMP
LABEL
DESCRIPTION
SNMP Agent
Select
Enable
to let the VMG act as an SNMP agent, which allows a manager station to
manage and monitor the VMG through the network. Select
Disable
to turn this feature
off.
Get Community
Enter the
Get Community
, which is the password for the incoming Get and GetNext
requests from the management station.
Set Community
Enter the
Set community
, which is the password for incoming Set requests from the
management station.
Trap Community
Enter the
Trap Community
, which is the password sent with each trap to the SNMP
manager. The default is public and allows all requests.
System Name
Enter the SNMP system name.
System Location
Enter the SNMP system location.
System Contact
Enter the SNMP system contact.
Trap Destination
Type the IP address of the station to send your SNMP traps to.
Apply
Click this to save your changes back to the VMG.
Cancel
Click this to restore your previously saved settings.

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