Switching Commands
34
ProSafe M4100 and M7100 Managed Switches
• Use 802.1s to specify that the switch transmits MST BPDUs (IEEE 802.1s functionality
supported).
• Use 802.1w to specify that the switch transmits RST BPDUs rather than MST BPDUs
(IEEE 802.1w functionality supported).
no spanning-tree forceversion
This command sets the Force Protocol Version parameter to the default value.
Format no spanning-tree forceversion
Mode
spanning-tree forward-time
This command sets the Bridge Forward Delay parameter to a new value for the Common and
Internal Spanning Tree. The forward-time value is in seconds within a range of 4–30, with the
value being greater than or equal to “(Bridge Max Age / 2) + 1”.
Default
Format spanning-tree forward-time <4-30>
Mode
no spanning-tree forward-time
This command sets the Bridge Forward Delay parameter for the Common and Internal
Spanning Tree to the default value.
Format no spanning-tree forward-time
Mode
spanning-tree guard
This command selects whether loop guard or root guard is enabled on an interface. If neither
is enabled, the port operates in accordance with the multiple spanning tree protocol.
Default
Format spanning-tree guard { none | root | loop }
Mode
no spanning-tree guard
This command disables loop guard or root guard on the interface.
Format no spanning-tree guard
Mode
Global Config
15
Global Config
Global Config
none
Interface Config
Interface Config