D-Link DGS-3208TG User Guide - Page 73

Clear Address Table, SNMP Manager Configuration

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Gigabit Ethernet Switch User's Guide Clear Address Table Choose Clear Address Table from the Utilities menu (under System Utilities on the main menu) to clear the entire Address Table (also known as the Filtering and Forwarding table). SNMP Manager Configuration The Switch sends out SNMP traps to network management stations whenever certain exceptional events occur, such as when the Switch is turned on or when a system reset occurs. The Switch allows traps to be routed to up to four different network management hosts. For a detailed list of Trap Types used for this Switch, see the Traps section of Chapter 5, "Switch Management Concepts." SNMP (version 1) implements a rudimentary form of security by requiring that each request include a community name. A community name is an arbitrary string of characters used as a "password" to control access to the Switch. If the Switch receives a request with a community name it does not recognize, it will trigger an authentication trap. The SNMP allows up to four different community names to be defined. The community name public is defined by default; you can change this name in addition to adding others. You will need to coordinate these names with the community name settings you use in your network management system. Choose SNMP Manager Configuration from the main menu to access the following screen: Figure 6-50. SNMP Configuration screen The following parameters can be set: ♦ Community String/SNMP Community String Determines the community name to be included in the trap request. ♦ Access Right Allows each community to be separately set to either Read Only or Read/Write. ♦ Status Determines whether this community name entry is Valid or Invalid. An entry can be deleted by changing its status to Invalid. ♦ IP Address The IP address of the network management station to receive the trap. 61

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Gigabit Ethernet Switch User’s Guide
61
Clear Address Table
Choose
Clear Address Table
from the
Utilities
menu (under
System Utilities
on the main menu) to clear
the entire Address Table (also known as the Filtering and Forwarding table).
SNMP Manager Configuration
The Switch sends out SNMP
traps
to network management stations whenever certain exceptional events
occur, such as when the Switch is turned on or when a system reset occurs. The Switch allows traps to be
routed to up to four different network management hosts.
For a detailed list of Trap Types used for this Switch, see the
Traps
section of Chapter 5
,
“
Switch Management
Concepts.
”
SNMP (version 1) implements a rudimentary form of security by requiring that each request include a
community name
. A community name is an arbitrary string of characters used as a “password” to control
access to the Switch. If the Switch receives a request with a community name it does not recognize, it will
trigger an authentication trap.
The SNMP allows up to four different community names to be defined. The community name
public
is
defined by default; you can change this name in addition to adding others. You will need to coordinate these
names with the community name settings you use in your network management system.
Choose
SNMP Manager Configuration
from the main menu to access the following screen:
Figure 6-50.
SNMP Configuration screen
The following parameters can be set:
♦
Community String/SNMP Community String
Determines the community name to be included in
the trap request.
♦
Access Right
Allows each community to be separately set to either
Read Only
or
Read/Write
.
♦
Status
Determines whether this community name entry is
Valid
or
Invalid
. An entry can be deleted by
changing its status to
Invalid
.
♦
IP Address
The IP address of the network management station to receive the trap.