25.
Status Monitoring, Statistics and General Commands
MN700004 Rev 01
302
debug rstp
The
debug
rstp
command, in Privileged (Enable) mode,
displays the RSTP debug messages.
The
no
form of the command disables the debug messages.
The RSTP debug commands will not be saved after reload.
To view the debug messages you also need to enable
log cli-console
(for more information,
see Managing the Session Log).
Command Syntax
device-name
#
debug
rstp
{
all
|
handshake
|
roles
|
flush
}
device-name
#
no debug
rstp
{
all
|
handshake
|
roles
|
flush
}
Argument Description
all
Activates all RSTP debug options.
handshake
Activates Hand Shake protocol debugging (IEEE 802.1w).
roles
Activates roles (designated port, root port, etc.) selection debugging.
flush
Activates port table flushing (MAC addresses) debugging.
debug stp
The
debug
stp
command, in Privileged (Enable) mode,
displays the STP debug messages.
The
no
form of the command disables the debug messages.
The STP debug commands will not be saved after reload.
To view the debug messages you also need to enable
log cli-console
(for more information,
see Managing the Session Log).
Command Syntax
device-name
#
debug
stp
{
all
|
flush
|
tc
|
tcn
}
device-name
#
no debug
stp
{
all
|
flush
|
tc
|
tcn
}
Argument Description
all
Activates all STP debug options.
flush
Activates MAC address table flush debgging.
tc
Activates the debug when the switch receives or transmits BPDU with topology change.
tcn
Activates the debug when the switch receives TCN or transmits BPDU with topology change
ACK.
show debug
The
show debug
command, in Privileged mode, displays the status of the debug actions that
are currently activated in the switch. Debug commands, which are activated in the Privileged
mode, can be used by support personnel to monitor a session as it proceeds on the switch.