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XG Series User's Guide Chapter 5 Command Reference
Bridge Counter, Log, Statistics, and Status Display and Clear Operation
Commands
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20) Number of TCN BPDU send times
The number of TCN BPDU send times is displayed.
21) Number of TCN BPDU send error times
The number of TCN BPDU send error times is displayed.
22) Number of TCN BPDU receive times
The number of TCN BPDU receive times is displayed.
23) Number of TCN BPDU receive discarding times
The number of TCN BPDU receive discarding times is displayed.
24) Number of protocol version error times
The number of discarding times due to protocol version error is displayed.
25) Number of version error times
The number of discarding times due to version error is displayed.
26) Number of BPDU type error times
The number of discarding times due to BPDU type error is displayed.
27) Number of topology change detection times
The number of topology change detection times is displayed.
28) Topology change detection time
The clock time when the topology change was lastly detected.
29) Elapsed time after topology change detection
The elapsed time after the topology change was lastly detected.
30) STP (IEEE802.1D) compatibility mode
One of the following is displayed for the STP (IEEE802.1D) compatible mode
operation of the port.
STP : The port is active in the STP compatible mode when the port version is
RSTP or MSTP.
- : The port is not active in the compatible mode (but operating in the port's
operation version).
31) Boundary port status
The boundary port status of the region is displayed as follows.
However, if the port role at the opposite device is an alternate or backup, that
port may never receive the "BPDU". In such cases, the boundary port status is
not displayed.
* : Indicates that the port is active as the boundary port.
- : Indicates that the port is NOT active as the boundary port.
32) Number of forwarding status transition times
The number of times when the port was changed to the forwarding state is
displayed.