Fujitsu XG2000 Series User Manual page 158

XG2000 series User's Guide
Mode
The switch port mode of the Spanning Tree Protocol is displayed.
−
−
−
Cost
The path cost value of the port is displayed.
Pri
The priority value of the switch port is displayed.
PortID
The port ID of the switch port is displayed.
Flags
Flags indicating the state of the switch port are displayed. Each flag has the following
meaning:
−
The Root port.
The Designated port.
The Alternate port.
The Backup port.
−
A point-to-point link.
A shared line.
−
A point-to-point link.
A shared link.
−
Building a Spanning Tree was proposed.
Building a Spanning Tree request was accepted by the adjacent switch.
−
STP(IEEE802.1D).
RSTP(IEEE802.1w).
Designated Switch
Displays the switch identifier for the specified switch that sent a BPDU to the specified
port.
The first four digits representing the priority of the designated switch are displayed as
a hexadecimal number. The remaining 12 digits representing the MAC address of the designated
switch are displayed as a hexadecimal number.
STP
The switch port is operating in STP (IEEE 802.1D Spanning Tree Protocol) mode.
RSTP
The switch port is operating in RSTP (IEEE 802.1w Rapid Spanning Tree Protocol) mode.
None
STP is not applicable to the switch port.
First flag (Port role)
Indicates the role of the port.
−
R
−
D
−
A
−
B
Second flag (Config link type)
Indicates the link type of the line configured in the device.
−
p
−
s
In the device Point-to point "p" is always used.
Third flag (Oper link type)
Indicates the link type in operation.
−
p
−
s
Fourth flag (Proposal state)
Indicates a Spanning Tree was proposed by an adjacent switch.
−
p
−
(None)
Fifth flag (Received BPDU)
The Spanning Tree Protocol mode for the received BPDU.
−
d
−
w
If the destination switch port is operating in STP (IEEE802.1D) mode, the connected device switch
port will operate in STP mode regardless of its setting.
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