System information
248
DWS-1008 CLI Reference Guide
D-Link Systems, Inc.
STP Commands
top_change_ack Value of the topology change
acknowledgment flag in the next
configured bridge protocol data unit
(BPDU) to be transmitted on the
associated port. The flag is set in reply to
a topology change notification BPDU.
config_pending Indicates whether a configured BPDU is
to be transmitted on expiration of the hold
timer for the port.
port_inconsistency Indicates whether the port is in an
inconsistent state.
config BPDU’s xmitted Number of BPDUs transmitted from the
port. A number in parentheses indicates
the number of configured BPDUs
transmitted by the switch for this VLAN’s
spanning tree.
config BPDU’s received Number of BPDUs received by this port.
A number in parentheses indicates the
number of configured BPDUs received by
the switch for this VLAN’s spanning tree.
tcn BPDU’s xmitted Number of topology change notification
(TCN) BDPUs transmitted on this port.
tcn BPDU’s received Number of TCN BPDUs received on this
port.
forward transition count Number of times the port state
transitioned to the forwarding state.
scp failure count Number of service control point (SCP)
failures.
root inc trans count Number of times the root bridge changed.
inhibit loopguard State of the loop guard. In the current
release, the state is always FALSE.
loop inc trans count Number of loops that have occurred.
forward delay timer Status of the forwarding delay timer. This
timer monitors the time spent by a port in
the listening and learning states.
forward delay timer value Current value of the forwarding delay
timer, in seconds.
message age timer Status of the message age timer. This
timer measures the age of the received
protocol information recorded for a port.
message age timer value Current value of the message age timer,
in seconds.










