Allied Telesis AT-S21 - Manual (Page 43)

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To name the switch
1. Select System configuration>System name .
2. Enter a unique name of up to 20 characters in the type-in field.
The switch’s name must be unique within the subnet.
The name you entered appears at the top of the screen, and
will display on every Omega screen from now on. In
subsequent Omega sessions, you may use the switch name
instead of its MAC or IP address to connect to the switch from
a remote location.
To delete or change the switch’s name
1. Select System configuration>System Name .
2. Do one of the following:
❑ To delete the name, enter a space character.
❑ To change the name, enter a unique name of up to 20
characters.
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The default aging time is 300 seconds. If the switch detects a packet
with a new source MAC address, the switch stores the MAC address
in its address table. This means the switch has learned about the
device that sent packets to the switch. The MAC address table
continues to be updated as new MAC addresses are detected.
If a certain MAC address no longer appears on any port after 300
seconds, the switch deletes that address from the table.
To change the aging time
1. Select System configuration>MAC Address Aging
Time to highlight the current value.
2. Enter a new value in the type-in field.