Spanning-Tree Bpdu (Interface); Spanning-Tree Guard Root - Cisco Sx350 Cli Manual

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58.14 spanning-tree bpdu (Interface)

Use the spanning-tree bpdu Interface (Ethernet, Port Channel) Configuration mode
command to define BPDU handling when the spanning tree is disabled on a single
interface. Use the no form of this command to restore the default configuration.
Syntax
{filtering | flooding}
spanning-tree bpdu
no spanning-tree bpdu
Parameters
•
filtering—Specifies that BPDU packets are filtered when the spanning tree
is disabled on an interface.
•
flooding—Specifies that untagged BPDU packets are flooded
unconditionally (without applying VLAN rules) to ports with the spanning
tree disabled and BPDU handling mode of flooding. Tagged BPDU packets
are filtered.
Default Configuration
The spanning-tree bpdu (Global)
Command Mode
Interface (Ethernet, Port Channel) Configuration mode
Example
The following example defines the BPDU packet as flooding when the spanning
tree is disabled on
gi1
switchxxxxxx(config)#
switchxxxxxx(config-if)#

58.15 spanning-tree guard root

use the spanning-tree guard root Interface (Ethernet, Port Channel) Configuration
mode command to enable Root Guard on all spanning-tree instances on the
command determines the default configuration.
.
3
gi1
interface 3
spanning-tree bpdu flooding
Cisco Sx350 Ph. 2.2.5 Devices - Command Line Interface Reference Guide
Spanning-Tree Commands