debug spanning-tree rstp
Enable debugging of RSTP and view information on the protocol.
C-Series, E-Series, S-Series, Z-Series, S4810
Syntax
debug spanning-tree rstp [all | bpdu interface {in | out} |
events]
To disable debugging, use the no debug spanning-tree rstp command.
Parameters
all (OPTIONAL) Enter the keyword all to debug all spanning tree
operations.
bpdu
interface
{in
| out}
(OPTIONAL) Enter the keyword bpdu to debug the bridge protocol
data units.
(OPTIONAL) Enter the keyword interface along with the type slot/
port of the interface you want displayed. Type slot/port options are
the following:
• For a Fast Ethernet interface, enter the keyword
FastEthernet followed by the slot/port information.
• For a 1-Gigabit Ethernet interface, enter the keyword
GigabitEthernet followed by the slot/port information.
• For a Port Channel interface, enter the keywords port-
channel followed by a number. For the C-Series and S-
Series, the range is 1 to 128. For the E-Series, the range is 1 to
255 for TeraScale and 1 to 512 for ExaScale.
• For a SONET interface, enter the keyword sonet followed by
the slot/port information.
• For a 10-Gigabit Ethernet interface, enter the keyword
TenGigabitEthernet followed by the slot/port
information.
• For a 40-Gigabit Ethernet interface, enter the keyword
fortyGigE followed by the slot/port information.
Optionally, enter an in or out parameter in conjunction with the
optional interface:
• For Receive, enter in.
• For Transmit, enter out.
events (OPTIONAL) Enter the keyword events to debug RSTP events.
Command Modes EXEC Privilege
Command History
Version 8.3.11.1 Introduced on the Z9000.
Version 8.5.1.0 Added support for 4-port 40G line cards on ExaScale.
Version 8.3.7.0 Introduced on the S4810.
Version 7.6.1.0 Introduced on the S-Series.
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