Spanning-Tree Bpduguard; Dot1X Bpdu - Alcatel OS-LS-6224 User Manual

Command Usage
Root guard can be enabled when the device operates in STP, RSTP and
MSTP.
When root guard is enabled, the port changes to the alternate state if
spanning-tree calculations selects the port as the root port.
Example
The following example prevents Ethernet port 1/g1 from being the root port of the
device.
Console(config) # interface ethernet 1/g1
Console(config-mst) # spanning-tree guard root
Related Commands
show spanning-tree

spanning-tree bpduguard

The spanning-tree bpduguard Interface Configuration (Ethernet, port-channel)
mode command shutdowns an interface when it receives a bridge protocol data unit
(BPDU). To restore the default configuration, use the no form of this command.
Syntax
spanning-tree bpduguard
no spanning-tree bpduguard
Default Configuration
The default configuration is set to disabled.
Command Mode
Interface Configuration (Ethernet, port-channel) mode
Command Usage
You can enable the command when the spanning tree is enabled (useful when
the port is in the PortFast mode) or disabled.

dot1x bpdu

Use the dot1x bpdu Global Configuration command to define 802.1x BPDU
handling when 802.1x is globally disabled. Use the no form of this command to
return to default.
Syntax
dot1x bpdu {filtering | bridging}
no dot1x bpdu
Parameters
• filtering — Specify that when 802.1x is globally disabled, 802.1x BPDU
packets would be filtered.
Spanning-Tree Commands
4
575