Cabletron Systems 2E43-51R manual Displays the MAC address of the switch

Switch Configuration Screen

The following describes each field of the Switch Configuration screen:

Switch Address (Read-Only)

Displays the MAC address of the switch.

Number of Ports (Read-Only)

Displays the total number of switched ports on the 2E43-51.

NOTE

Ethernet networks 1 through 4 (ENET 1 through ENET 4) are considered as single switched 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 selection is 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 2E43-51 keeps an address in its switch table before discarding it. An address is automatically discarded when a valid Bridge Protocol Data Unit (BPDU) 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.

MAC Address (Read-Only)

Displays the 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 the Bridge Protocol Data Unit (BPDU) traffic while preparing to move from the learning to the forwarding state.

2E43-51/2E43-51R User’s Guide 5-37