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Enhancements
Release M.10.04 Enhancements
The following shows RSTP sample output from the enhanced command.
Figure 19. Example of Show Spanning-Tree Detail
Operating Notes
■ TC refers to a Topology Change detected on the given port. Note the following details:
• TC Detected counter shows when a port identifies a topology change (increments when
the particular non-Edge port goes into forwarding). For RSTP and MSTP, this would be
due to the switch’s link going to forwarding.
• TC Flag Transmitted counter shows the number of TC notifications sent out of the port.
This refers to propagating a topology change that occurred on another port (that is, a
TC Detected increment) or to propagating a topology change received on another port
(that is, TC Flag Received).
ProCurve# show spanning-tree detail
Status and Counters - RSTP Port(s) Detailed Information
Port : 1
Status : Up
Role : Root
State : Forwarding
Priority : 128
Path Cost : 200000
Root Path Cost : 10
Root Bridge ID : 1:0001e7-215e00
Designated Bridge ID : 32768:0001e7-3d0080
Designated Port ID : 128:75
AdminEdgePort : Yes
OperEdgePort : No
AdminPointToPointMAC : Force-True
OperPointToPointMAC : Yes
Aged BPDUs Count : 0
Loop-back BPDUs Count : 0
TC Detected : 1
TC Flag Transmitted : 0 TC ACK Flag Transmitted : 0
TC Flag Received : 0 TC ACK Flag Received : 47
RSTP RSTP CFG CFG TCN TCN
BPDUs Tx BPDUs Rx BPDUs Tx BPDUs Rx BPDUs Tx BPDUs Rx
---------- ---------- ---------- ---------- ---------- ----------
3 0 0 256654 47 0
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