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Page 166 / 268 Scroll up to view Page 161 - 165
Chapter 13 Remote Management Configuration
P-660R-F1 Series User’s Guide
166
The following table describes the labels in this screen.
LABEL
DESCRIPTION
Port
You may change the server port number for a service if needed, however you
must use the same port number in order to use that service for remote
management.
LAN Access
Status
Select
Enable
to use the LANinterface for Access Status. When Access Status is
enabled on the LAN interface, this is the interface(s) through which a computer
may access the ZyXEL Device using this service. Select
Disable
to discontinue
Access Status on the LAN interface.
LAN Access
Authentication
Select
Enable
to enforce authentication for access on the LAN interface. Access
Status must first be enabled on the LAN interface to use authentication. Select
Disable
to discontinue authentication for access on the LAN interface.
WAN Access
Status
Select
Enable
to use the WANinterface for Access Status. When Access Status is
enabled on the WAN interface, this is the interface(s) through which a computer
may access the ZyXEL Device using this service.Select
Disable
to discontinue
Access Status on the WAN interface.
Secured Client IP
A secured client is a “trusted” computer that is allowed to communicate with the
ZyXEL Device using this service.
Select
All
to allow any computer to access the ZyXEL Device using this service.
Choose
Selected
to just allow the computer with the IP address that you specify
to access the ZyXEL Device using this service.
HTTPS
Server Host Key
Select the
Server Host Key
that the ZyXEL Device will use to identify itself. The
ZyXEL Device is the SSL server and must always authenticate itself to the SSL
client (the computer which requests the HTTPS connection with the ZyXEL
Device).
Authenticate
Client Certificates
Select
Authenticate Client Certificates
(optional) to require the SSL client to
authenticate itself with the ZyXEL Device by sending the ZyXEL Device a
certificate. To do that the SSL client must have a CA-signed certificate from a CA
that has been imported as a trusted CA on the ZyXEL Device.
Port
You may change the server port number for a service if needed, however you
must use the same port number in order to use that service for remote
management.
Access Status
Select the interface(s) through which a computer may access the ZyXEL Device
using this service.
Secured Client IP
A secured client is a “trusted” computer that is allowed to communicate with the
ZyXEL Device using this service.
Select
All
to allow any computer to access the ZyXEL Device using this service.
Choose
Selected
to just allow the computer with the IP address that you specify
to access the ZyXEL Device using this service.
Apply
Click
Apply
to save your settings back to the ZyXEL Device.
Cancel
Click
Cancel
to begin configuring this screen afresh.
Page 167 / 268
Chapter 13 Remote Management Configuration
P-660R-F1 Series User’s Guide
167
13.3
Telnet
You can configure your ZyXEL Device for remote Telnet access as shown next. The administrator
uses Telnet from a computer on a remote network to access the ZyXEL Device.
Figure 99
Telnet Configuration on a TCP/IP Network
13.4
Configuring Telnet
Click
Advanced > Remote MGMT
>
Telnet
tab to display the screen as shown.
Figure 100
Remote Management: Telnet
The following table describes the labels in this screen.
Table 62
Remote Management: Telnet
LABEL
DESCRIPTION
Port
You may change the server port number for a service if needed, however you
must use the same port number in order to use that service for remote
management.
Access Status
Select the interface(s) through which a computer may access the ZyXEL Device
using this service.
Secured Client IP
A secured client is a “trusted” computer that is allowed to communicate with the
ZyXEL Device using this service.
Select
All
to allow any computer to access the ZyXEL Device using this service.
Choose
Selected
to just allow the computer with the IP address that you specify
to access the ZyXEL Device using this service.
Page 168 / 268
Chapter 13 Remote Management Configuration
P-660R-F1 Series User’s Guide
168
13.5
Configuring FTP
You can upload and download the ZyXEL Device’s firmware and configuration files using FTP, please
see the chapter on firmware and configuration file maintenance
for details. To use this feature, your
computer must have an FTP client.
To change your ZyXEL Device’s FTP settings, click
Advanced > Remote MGMT
>
FTP
tab. The
screen appears as shown.
Figure 101
Remote Management: FTP
The following table describes the labels in this screen.
Apply
Click
Apply
to save your customized settings and exit this screen.
Cancel
Click
Cancel
to begin configuring this screen afresh.
Table 62
Remote Management: Telnet
LABEL
DESCRIPTION
Table 63
Remote Management: FTP
LABEL
DESCRIPTION
Port
You may change the server port number for a service if needed, however you
must use the same port number in order to use that service for remote
management.
Access Status
Select the interface(s) through which a computer may access the ZyXEL Device
using this service.
Secured Client IP
A secured client is a “trusted” computer that is allowed to communicate with the
ZyXEL Device using this service.
Select
All
to allow any computer to access the ZyXEL Device using this service.
Choose
Selected
to just allow the computer with the IP address that you specify
to access the ZyXEL Device using this service.
Apply
Click
Apply
to save your customized settings and exit this screen.
Cancel
Click
Cancel
to begin configuring this screen afresh.
Page 169 / 268
Chapter 13 Remote Management Configuration
P-660R-F1 Series User’s Guide
169
13.6
SNMP
Simple Network Management Protocol (SNMP) is a protocol used for exchanging management
information between network devices. SNMP is a member of the TCP/IP protocol suite. Your ZyXEL
Device supports SNMP agent functionality, which allows a manager station to manage and monitor
the ZyXEL Device through the network. The ZyXEL Device supports SNMP version one (SNMPv1)
and version two (SNMPv2). The next figure illustrates an SNMP management operation.
Note: SNMP is only available if TCP/IP is configured.
Figure 102
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 ZyXEL Device).
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:
•
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.
Page 170 / 268
Chapter 13 Remote Management Configuration
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170
•
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.
13.6.1
Supported MIBs
The ZyXEL Device supports MIB II that is defined in RFC-1213 and RFC-1215. The focus of the MIBs
is to let administrators collect statistical data and monitor status and performance.
13.6.2
SNMP Traps
The ZyXEL Device will send traps to the SNMP manager when any one of the following events
occurs:
Table 64
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).
6
whyReboot (defined in ZYXEL-
MIB)
A trap is sent with the reason of restart before
rebooting when the system is going to restart (warm
start).
6a
For intentional reboot:
A trap is sent with the message "System reboot by
user!" if reboot is done intentionally, (for example,
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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