Juniper ACX1000 Configuration Manual page 480

ACX Series Universal Access Router Configuration Guide
422
Configure spanning-tree protocol-specific options.
4.
To enable a spanning-tree protocol-specific option, include the
a.
[edit ... protocols (mstp | rstp | vstp)]
user@host# set flag flag <flag-modifier> <disable>
You can specify the following spanning-tree protocol-specific
—Trace all operations.
all
—Trace all failure conditions.
all-failures
—Trace BPDU reception and transmission.
bpdu
bridge-detection-state-machine
—Trace events of the protocol state machine.
events
port-information-state-machine
port-migration-state-machine
port-receive-state-machine
port-role-transit-state-machine
port-role-select-state-machine
port-transmit-state-machine
port-state-transit-state-machine
—Trace the state and events for the ppmd process.
ppmd
state-machine-variables
—Trace protocol timers.
timers
topology-change-state-machine
NOTE: Use the trace flag
to become very busy.
To disable an individual spanning-tree protocol-specific option, include the
b.
option with the
flag
Verify the spanning-tree protocol-specific trace options.
5.
[edit]
...
routing-options {
traceoptions {
...global-trace-options-configuration...
}
}
—Trace the bridge detection state machine.
—Trace the port information state machine.
—Trace the port migration state machine.
—Trace the port receive state machine.
—Trace the port role transit state machine.
—Trace the port role selection state machine.
—Trace the port transmit state machine.
—Trace the port state transit state machine.
—Trace when the state machine variables change.
—Trace the topology change state machine.
with caution. This flag may cause the CPU
all
statement.
statement:
flag
options:
flag
disable
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