debug mstp events

Displays MSTP state machine events.
Syntax
debug mstp events
no debug mstp events
Modes

Privileged EXEC mode

Usage Guidelines

Use this command to monitor any MSTP event that takes place.

Examples

If MSTP events are enabled, output similar to the following is displayed.

device# debug mstp events
MSTP Event debugging ON
device# debug mstp enable
device# MSTP[0xeda7f]: PRX RECEIVE->RECEIVE - Port 1/1/1
MSTP[0xeda7f]: PIM CURRENT->RECEIVE - MST 0, Port 1/1/1
MSTP[0xeda7f]: PIM RECEIVE->REPEATED_DESIGNATED - MST 0, Port 1/1/1
MSTP: mstp_updtRcvdInfoWhileCist mst=0, Port 1/1/1, rcvdInfoWhile 5->7
MSTP[0xeda7f]: PRX RECEIVE->RECEIVE - Port 1/1/2
MSTP[0xeda7f]: PIM CURRENT->RECEIVE - MST 0, Port 1/1/2
MSTP[0xeda7f]: PIM RECEIVE->REPEATED_DESIGNATED - MST 0, Port 1/1/2
MSTP: mstp_updtRcvdInfoWhileCist mst=0, Port 1/1/2, rcvdInfoWhile 5->7
MSTP[0xeda89]: PTX IDLE->TRANSMIT_PERIODIC - Port 1/1/1
MSTP[0xeda89]: PTX IDLE->TRANSMIT_PERIODIC - Port 1/1/2
MSTP[0xeda93]: PRX RECEIVE->RECEIVE - Port 1/1/1
MSTP[0xeda93]: PIM CURRENT->RECEIVE - MST 0, Port 1/1/1
MSTP[0xeda93]: PIM RECEIVE->REPEATED_DESIGNATED - MST 0, Port 1/1/1

If MSTP events are disabled, output similar to the following is displayed.

device# no debug mstp events
MSTP Event debugging OFF