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Switch Configuration Screen
2E42-27/2E42-27R/2E43-27/2E43-27R User’s Guide 5-37
Number of Ports (Read-Only)
Displays the total number of switched ports on the 2E4X-27. Depending
on the number of optional interfaces installed, there can be up to 27 ports.
Type of STA (Toggle)
Allows the user to set the method that switches use to decide which
switch is the controlling (Root) switch when two or more switches exist in
parallel (Spanning Tree Algorithm). Valid entries include IEEE, DEC, and
None. To set the STA, refer to Section 5.10.1.
Age Time (Modifiable)
Allows the user to set the amount of time (in seconds) that the 2E4X-27
keeps an address in its switch table before discarding it. An address is
automatically discarded when a valid frame is not received from that
address within the time specified in the Age Time field. To change the Age
Time field from the default value of 300 seconds, refer to Section 5.10.2.
Port # (Read-Only)
Lists each switched port on the device. If the number of ports is greater
than eight, then the additional ports are listed on subsequent screens.
MAC Address (Read-Only)
Displays the base hardware address assigned to each listed port.
State (Read-Only)
Disabled: Management disabled this interface. No traffic is received or
forwarded while the interface is disabled.
Listening: The switch is not adding information to the Transparent
Database. The switch is monitoring BPDU traffic while preparing to
move from the learning to the forwarding state.
Learning: The switch is learning the addresses on this interface. The
switch enters the learning state when the Transparent Database is created
(during start-up or after being deleted), or when the Spanning Tree
Algorithm detects a network topology change.
Forwarding: The switch is operating and this interface is forwarding
traffic.
Standby: This interface will not forward any traffic through the switch
because a loop condition has been detected by the STA.