Skip to main content
Sign Out

Welcome to Dell

My Account
  • Place orders quickly and easily
  • View orders and track your shipping status
  • Create and access a list of your products
  • Manage your Dell EMC sites, products, and product-level contacts using Company Administration.
Sign In Create an Account Premier Sign In Partner Program Sign In
Contact Us

Dell PowerEdge FN I/O Module Command Line Reference Guide 9.10(0.0)

PDF

debug spanning-tree

Enable debugging of the spanning tree protocol and view information on the protocol.

Syntax debug spanning-tree { stp-id [all | bpdu | events | exceptions] | protocol}

To disable debugging, use the no debug spanning-tree command.

Parameters
stp-id Enter zero (0). The switch supports one spanning tree group with a group ID of 0.
protocol Enter the keyword for the type of STP to debug, either mstp, pvst, or rstp.
all (OPTIONAL) Enter the keyword all to debug all spanning tree operations.
bpdu (OPTIONAL) Enter the keyword bpdu to debug bridge protocol data units.
events (OPTIONAL) Enter the keyword events to debug STP events.
Command Modes EXEC Privilege
Supported Modes Full–Switch Mode
Command History
Version Description
9.9(0.0) Introduced on the FN IOM.
8.3.16.1 Introduced on the MXL 10/40GbE Switch IO Module.
Usage Information When you enable debug spanning-tree bpdu for multiple interfaces, the software only sends information on BPDUs for the last interface specified.
Related Commands portfast bpdufilter default — enters SPANNING TREE mode on the switch.

Rate this content

Accurate
Useful
Easy to understand
Was this article helpful?
0/3000 characters
  Please provide ratings (1-5 stars).
  Please provide ratings (1-5 stars).
  Please provide ratings (1-5 stars).
  Please select whether the article was helpful or not.
  Comments cannot contain these special characters: <>()\