ProSafe XSM7224S Managed Stackable Switch CLI Manual, Software Version 9.0
Switching Commands 3-15
v1.0, November 2010
spanning-tree forceversion
This command sets the Force Protocol Version parameter to a new value.
• Use 802.1d to specify that the switch transmits ST BPDUs rather than MST BPDUs (IEEE
802.1d functionality supported).
• 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.
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 to 30, with the
value being greater than or equal to “(Bridge Max Age / 2) + 1”.
Default 802.1s
Format spanning-tree forceversion <802.1d | 802.1s | 802.1w>
Mode Global Config
Format no spanning-tree forceversion
Mode Global Config
Default 15
Format spanning-tree forward-time <4-30>
Mode Global Config