Black Box 12-Port 1000BASE-TX L2 Managed PoE Switch User Manual page 59

12-Port 1000BASE-TX L2 Managed PoE Switch with 2 SFP Dual Media Ports
Table 4-23 (Continued). SNMP Configuration screen options.
Parameter
SNMP
Get/Set/Trap Community
Trap
56
Description
The term SNMP here is used for the activation or de-activation of
SNMP. Default is Enable.
Community name is used as password for authenticating if the
requesting network management unit belongs to the same
community group. If they both don't have the same community
name, they don't belong to the same group. Hence, the requesting
network management unit can not access the device with different
community name via SNMP protocol; If they both have the same
community name, they can talk each other.
Community name is user-definable with a maximum length of 15
characters and is case sensitive. There is not allowed to put any
blank in the community name string. Any printable character is
allowable.
The community name for each function works independently. Each
function has its own community name. Say, the community name
for GET only works for GET function and can't be applied to other
function such as SET and Trap.
Default SNMP function : Enable
Default community name for GET: public
Default community name for SET: private
Default community name for Trap: public
Default Set function : Enable
Default trap host IP address: 0.0.0.0
Default port number :162
In the switch, there are 6 trap hosts supported. Each of them has
its own community name and IP address; is user-definable. To set
up a trap host means to create a trap manager by assigning an IP
address to host the trap message. In other words, the trap host is a
network management unit with SNMP manager receiving the trap
message from the managed switch with SNMP agent issuing the
trap message. 6 trap hosts can prevent the important trap
message from losing.
For each public trap, the switch supports the trap event Cold Start,
Warm Start, Link Down, Link Up and Authentication Failure Trap.
They can be enabled or disabled individually. When enabled, the
corresponded trap will actively send a trap message to the trap
host when a trap happens. If all public traps are disabled, no public
trap message will be sent. As to the Enterprise (no. 6) trap is
classified as private trap, which are listed in the Trap Alarm
Configuration function folder.
Default for all public traps: Enable.