Cisco Cisco Aironet 340 Ethernet Bridges Guia Do Utilizador
8 - 16 Aironet 340 Series Bridge
Displaying the Protocol Status (Display)
The display option shows the overall status of the STP protocol and the
state of each port on the local bridge. When you select Display, the STP
Status screen appears.
state of each port on the local bridge. When you select Display, the STP
Status screen appears.
n Bridge Id: The ID of the local bridge.
n Root Id: The ID of the spanning tree root. If the local bridge is not
the root, then the cost to the root is also displayed.
n Topology change: Indicates whether the short aging timeout is cur-
rently in use because of a port state change somewhere on the infra-
structure.
structure.
n Network Hello Interval, Network Forward Delay and Network
Msg age Timeout: Shows the timeout values received from the root
bridge which are in use by all bridges on the infrastructure. These
values override any locally configured values.
bridge which are in use by all bridges on the infrastructure. These
values override any locally configured values.
n Port Address: The infrastructure address of the bridge on which the
port resides.
n Id: The port ID, which consists of the port priority (high byte) and
the port number (low byte). As each repeater connects to the root its
port is assigned the next available port number.
port is assigned the next available port number.
n Cost: The operator configured cost for the port.
n State: Current state of the port. Shows one of forward, learn, listen,
or blocked. The state may also be disabled if the port has been shut
off by the operator.
off by the operator.
n Type: Current port type. Shows one of root, designated, or blocked.
The type will be disabled if the protocol is not running on the port.
n Designated (Bridge, Port, Root Cost): Displays the designated
bridge and port for the specific LAN as well as the cost to the root
from the designated port.
from the designated port.
STP STATUS
Bridge Id : 8000-00409611cd0e Network Hello interval : 2 sec
Root Id : 8000-0000f3108678, Cost 100 Network Forward Delay : 5 sec
Topology change : off Network Msg age Timeout : 20 sec
------------Designated----------
Port Address LAN Id Cost State Type Bridge Port Root Cost
------------ --- ---- ----- -------- ---------- ----------------- ---- ---------
00409611cd0e Eth 8001 100 Forward Root 8000-0000f3108678 8002 0