Security
HMG-838PT & HMG-838EPT Web Configuration 5-8
Trap Community: Indicates the community access string when sending SNMP trap packet. The allowed string
length is 0 to 255, and the allowed content is ASCII characters from 0x21 to 0x7E.
Trap Destination Address: Indicates the SNMP trap destination address. It allows a valid IP address in dotted
decimal notation ('x.y.z.w'). Also allowed is a valid hostname. A valid hostname is a string drawn from the alphabet
(A-Z; a-z), digits (0-9), dot (.) and dash (-). Spaces are not allowed. The first character must be an alpha character,
and the first and last characters cannot be a dot or a dash.
Trap Destination port: Indicates the SNMP trap destination port. SNMP Agent will send SNMP message via this
port, the port range is 1~65535. The default SNMP trap port is 162.
Trap Inform Mode: Indicates the SNMP trap inform mode operation. Possible modes are:
Enabled: Enable SNMP trap inform mode operation.
Disabled: Disable SNMP trap inform mode operation.
Trap Inform Timeout (seconds): Indicates the SNMP trap inform timeout. The allowed range is 0 to 2147.
Trap Inform Retry Times: Indicates the SNMP traps inform retry times. The allowed range is 0 to 255.
Trap Probe Security Engine ID: Indicates the SNMP trap probe security engine ID mode of operation. Possible
values are:
Enabled: Enable SNMP trap probe security engine ID mode of operation.
Disabled: Disable SNMP trap probe security engine ID mode of operation.
Trap Security Engine ID: Indicates the SNMP trap security engine ID. SNMPv3 sends traps and informs use
USM for authentication and privacy. A unique engine ID for these traps and informs is needed. When "Trap Probe
Security Engine ID" is enabled, the ID will be probed automatically. Otherwise, the ID specified in this field is used.
The string must contain an even number (in hexadecimal format) with number of digits between 10 and 64, but
all-zeros and all-'F's are not allowed.
Trap Security Name: Indicates the SNMP trap security name. SNMPv3 traps and informs use USM for
authentication and privacy. A unique security name is needed when traps and informs are enabled.
SNMP Trap Event:
System: The system trap events include the following.
Warm Start: The switch has been rebooted from an already powered on state.
Cold Start: The switch has booted from a powered off or due to power cycling (power failure).
AAA: Authentication, Authorization and Accounting; A trap will be issued at any authentication failure.
Switch: Indicates that the Switch group's traps. Possible traps are:
STP: Select the ch
eckbox to enable STP trap. Clear to disable STP trap.
RMON: Select the checkbox to enable RMON trap. Clear to disable RMON trap.
Ring: Select the checkbox to enable Ring trap. Clear to disable Ring trap.
Power: Indicates the Power group's traps. Possible trap event are:
Power 1 Status: Select the checkbox to enable Power 1 status trap. Clear the checkbox to disable Power 1
status trap.
Power 2 Status: Select the checkbox to enable Power 2 status trap. Clear the checkbox to disable Power 2
status trap.
Interface: Indicates the Interface group's traps. Possible traps are:
Link Up: none/specific/all ports Link up trap.
Link Down: none/specific/all ports Link down trap.
LLDP: none/specific/all ports LLDP (Link Layer Discovery Protocol) trap.
When the "specific" radio button is selected, a popup graphic with port checkboxes allows selection specific ports.
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