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Cisco Prime Network 4.0 User Guide
OL-29343-01
Chapter 12 Monitoring Carrier Ethernet Services
Viewing Spanning Tree Protocol Properties
Step 5 To view MSTP properties, choose the required MSTP entry in logical inventory under Spanning Tree
Protocol.
Table 12-7 describes the information that is displayed for MSTP.
Max Age Current maximum age (in seconds).
STP Protocol Specification Specific STP protocol type or variant used for this instance, such as
Rapid PvSTP.
Is Root Whether or not the port is the root: True or False.
Ports Info Table
STP Port Hyperlinked entry to the STP port in physical inventory.
Port State STP port state: Disabled, Blocking, Listening, Learning, or Forwarding,
Port Role Port role: Unknown, Backup, Alternative, Designated, Root, or
Boundary.
Port Priority Default 802.1p priority assigned to untagged packets arriving at the port.
Port Path Cost Port path cost, which represents the media speed for this port.
Point To Point Port Whether or not the port is linked to a point-to-point link: True or False.
Edge Port Whether or not the port is an edge port; that is, whether it is connected
to a nonbridging device: True or False.
MST Port Hello Time This field is displayed in the Ports Info Table only for MST.
In seconds, the interval between hello BPDUs sent by root switch
configuration messages. The range is 1 to 10 seconds.
Port Identifier STP port identifier.
Portfast Whether or not STP PortFast is enabled on the port: Up or Down.
Designated Port Identifier Designated STP port identifier.
Designated Bridge STP designated bridge.
BPDU Filter BPDU Filter status: Up or Down.
BPDU Guard BPDU Guard status: Up or Down.
Table 12-6 STP Instance Information Properties (continued)
Field Description