xStack® DGS-3620 Series Managed Switch Web UI Reference Guide 
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Appendix C  System Log Entries 
 
The following table lists all possible entries and their corresponding meanings that will appear in the System Log of 
this Switch. 
Category  Log Description  Severity  Note 
Event description: A host failed to pass the authentication 
Log Message: MAC-based Access Control unauthenticated host (MAC: 
<macaddr>, Port <[unitID:]portNum>, VID: <vid>) 
 
Parameters description: 
macaddr: MAC address 
unitID: The unit ID. 
portNum: The port number. 
vid: VLAN ID on which the host exists 
Event description: The authorized user number on a port has reached the 
maximum user limit. 
Log Message: Port < [unitID:]portNum> enters MAC-based Access Control 
stop learning state. 
 
Parameters description: 
unitID: The unit ID. 
portNum: The port number. 
Event description: The authorized user number on a port is below the 
maximum user limit in a time interval (interval is project dependent). 
Log Message: Port <[unitID:]portNum> recovers from MAC-based Access 
Control stop learning state. 
 
Parameters description: 
unitID: The unit ID. 
portNum: The port number. 
Event description: The authorized user number on the whole device has 
reached the maximum user limit. 
Log Message: MAC-based Access Control enters stop learning state. 
 
Parameters description: 
Event description: The authorized user number on the whole device is below 
the maximum user limit in a time interval (interval is project dependent). 
Log Message: MAC-based Access Control recovers from stop learning state. 
 
Parameters description: 
 
Event description: A host has passed the authentication. 
Log Message: MAC-based Access Control host login successful (MAC: 
<macaddr>, port: <[unitID]portNum>, VID: <vid>) 
 
Parameters description: 
macaddr: The MAC address. 
unitID: The unit ID. 
portNum: The port number. 
vid: The VLAN ID on which the host exists. 
Event description: A host has aged out. 
Log Message: MAC-based Access Control host aged out (MAC: <macaddr>, 
port: <[unitID]portNum>, VID: <vid>) 
 
Parameters description: 
macaddr: The MAC address 
unitID: The unit ID. 
portNum: The port number. 
vid: The VLAN ID on which the host exists. 
Event description: PTP port role changed 
Log Message: PTP port <[unitID:]portNum> role changed to <ptp_role>. 
 
Parameters description: 
unitID: The unit ID. 
portNum: The port number. 
ptp_role: The PTP role of the port.  
Event description: PTP clock synchronized 
Log Message: The boundary clock synchronized to its master, the offset value 
is <+|-><Offset> second(s). 
 
Parameters description: 
Offset: The value of the offset between the slave and master. 
synchronized more than 
one second, this log 
message will be send. 
Event description: DHCPv6 client interface administrator state changed.