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14-10
UPnP
An icon with the description for each UPnP-
enabled device displays under
Local
Network
.
Right-click on the icon for your ZyXEL device
and select
Invoke
. The web configurator
login screen displays.
Right-click on the icon for your ZyXEL device and
select
Properties
. A properties window displays
with basic information about the ZyXEL device.
Page 187 / 285
Prestige 324 Intelligent Broadband Sharing Gateway
Chapter 15
SNMP Configuration
This chapter explains SNMP configuration menu 22.
SNMP is only available if TCP/IP is configured.
15.1 About SNMP
Simple Network Management Protocol is a protocol used for exchanging management information between
network devices. SNMP is a member of TCP/IP protocol suite. Your Prestige supports SNMP agent
functionality, which allows a manager station to manage and monitor the Prestige through the network. The
Prestige supports SNMP version one (SNMPv1). The next figure illustrates an SNMP management
operation. SNMP is only available if TCP/IP is configured.
An SNMP managed network consists of two main components: agents and a manager.
An agent is a management software module that resides in a managed device (the Prestige). 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.
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:
Page 188 / 285
15-2
SNMP Configuration
Table 15-1 SNMP Commands
COMMAND
DESCRIPTION
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.
15.2
Supported MIBs
The P324 supports MIB II that is defined in RFC-1213 and RFC-1215. The focus of the MIBs is to let
administrators collect statistic data and monitor status and performance.
15.3 SNMP Configuration
To configure SNMP, enter 22
from the main menu to display
Menu 22 - SNMP Configuration
as shown
next. The “community” for
Get
,
Set
and
Trap
fields is SNMP terminology for password.
Figure 15-1 Menu 22 — SNMP Configuration
The following table describes the SNMP configuration parameters.
Menu 22 - SNMP Configuration
SNMP:
Get Community= public
Set Community= public
Trusted Host= 0.0.0.0
Trap:
Community= public
Destination= 0.0.0.0
Press ENTER to Confirm or ESC to Cancel:
Page 189 / 285
Prestige 324 Intelligent Broadband Sharing Gateway
Table 15-2 SNMP Configuration Menu Fields
FIELD
DESCRIPTION
EXAMPLE
Get Community
Type the
Get Community
, which is the password for the incoming
Get- and GetNext requests from the management station.
Public
Set Community
Type the
Set
community, which is the password for incoming Set
requests from the management station.
Public
Trusted Host
If you enter a trusted host, your Prestige will only respond to SNMP
messages from this address. A blank (default) field means your
Prestige will respond to all SNMP messages it receives, regardless
of source.
Blank
Trap: Community
Type the trap community, which is the password sent with each
trap to the SNMP manager.
Public
Trap: Destination
Type the IP address of the station to send your SNMP traps to.
Blank
When you have completed this menu, press [ENTER] at the prompt “Press [ENTER] to confirm or [ESC] to
cancel” to save your configuration or press [ESC] to cancel and go back to the previous screen.
15.4 SNMP Traps
The Prestige will send traps to the SNMP manager when any one of the following events occurs:
Table 15-3 SNMP Traps
TRAP #
TRAP NAME
DESCRIPTION
0
coldStart (defined in
RFC-1215
)
A trap is sent after booting (power on).
1
warmStart (defined in
RFC-1215
)
A trap is sent after booting (software reboot).
2
LinkUp
A trap is sent when the link is established.
3
LinkDown
A trap is sent when the link is down.
4
authenticationFailure (defined in
RFC-1215
)
A trap is sent to the manager when receiving any SNMP
get or set requirements with wrong community (password).
6
whyReboot (defined in ZYXEL-
MIB)
A trap is sent with the reason of restart before rebooting
when the system is going to restart (warmstart).
Page 190 / 285
15-4
SNMP Configuration
Table 15-3 SNMP Traps
TRAP #
TRAP NAME
DESCRIPTION
6a
For intentional reboot:
A trap is sent with the message "System reboot by user!" if
reboot is done intentionally, (e.g. download new files, CI
command "sys reboot", etc.).
6b
For fatal error:
A trap is sent with the message of the fatal code if the
system reboots because of fatal errors.

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