3Com 5500-EI PWR Reference Manual page 234

Port Role
Port Priority
Port Cost(Legacy)
Desg. Bridge/Port
Port Edged
Point-to-point
Transmit Limit
Protection Type
MSTP BPDU format
Port Config
Digest Snooping
Num of Vlans Mapped :1
PortTimes
BPDU Sent
TCN: 0, Config: 0, RST: 0, MST: 0
BPDU Received
TCN: 0, Config: 0, RST: 0, MST: 0
Table 1-3 display stp command output description
Field
CIST Bridge
Bridge Times
CIST Root/ERPC
CIST RegRoot/IRPC
CIST RootPortId
BPDU-Protection
TC-Protection*** / Threshold=**
Bridge Config
Digest Snooping
TC or TCN received
Time since last TC
Port Protocol
Port Role
Port Priority
Port Cost(Legacy)
:CIST Disabled Port
:128
:Config=auto / Active=200000
:32768.00e0-fc12-4001 / 128.2
:Config=disabled / Active=disabled
:Config=auto / Active=false
:10 packets/hello-time
:None
:Config=auto / Active=legacy
:disabled
:Hello 2s MaxAge 20s FwDly 15s MsgAge 0s RemHop 20
:0
:0
CIST bridge ID
Major parameters for the bridge:
Hello: Hello timer
MaxAge: Max Age timer
FwDly: Forward delay timer
MaxHop: Max hops within the MST region
CIST root and external path cost
CIST regional root and internal path cost
CIST root port ID
Indicates whether BPDU protection is enabled globally.
Indicates whether TC-BPDU attack guard function is enabled
globally, and the maximum times that a switch can remove the
MAC address table and ARP entries within each 10 seconds.
Indicates whether Digest Snooping is enabled globally on the
bridge.
Number of received TC/TCN packets
Time of the latest topology change
Indicates whether STP is enabled on the port
Port role, which can be Alternate, Backup, Root, Designated,
Master, or Disabled
Port priority
Path cost of the port. The field in the bracket indicates the
standard used for port path cost calculation, which can be
legacy, dot1d-1998, or dot1t. Config indicates the configured
value, and Active indicates the actual value.
1-6
Description