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Model
Name
Model
No.
Switch-M8eGi
PN28080i-ID
Product Specification
401-28080i-ID-SP01
Panasonic Life Solutions Networks Co., Ltd.
Date revised
Date issued
May. 26, 2020
Turns on the port LED with a orange light when a loop occurs in the corresponding
port.
At this time, the relevant port automatically shuts down to prevent loop from occurring.
SNMP trap can be sent to notify the incident to the administrator.
During loop is occurring, or if loop has occurred within the latest 3 days,
LOOP HISTORY LED blinks to notify this.
• Loop detection port
Enabled: Ports 1 to 8 （factory default setting）
Disabled: Port 9 （factory default setting）
• Loop detection setting
Enabled （factory default setting）
Enabled/disabled can be switched by configuring a setting using
the console, or by pressing "LED DISPLAY CHANGE BUTTON"
for 10 seconds or more.
The setting is kept even when the power is turned OFF.
• Loop shutoff time
60 to 86,400 sec. （Factory default setting: 60 sec.）
The set time Port LED lights up orange and the port shuts off.
• Loop history retention time
3 days
The LOOP HISTORY LED lamp flashes for three days.
The Port LED lamp also remains lit for three days after
the loop is eliminated.
The Loop shutoff mode has the following 2 types of modes.
• Block mode （factory default setting）
When loops are detected, the ports are blocked, and just the loop
detection packets will be transmitted and received.
• Shutdown mode
When loops are detected, the ports are shut down, and none of
the packets including the loop detection packets will be
transmitted nor received. （*）
* Just the loop detection packets from 30 seconds before the set
restoration times will automatically be transmitted and received.
6－7. Loop detection
6. Software Specifications
Syslog Client （Transfers system logs to the Syslog server.）
TFTP Client （Upgrades the software and saves/loads configuration information.）
Login RADIUS （login authentication function by the RADIUS server）
6－8. Others
