CANOGA PERKINS 9155 Network Interface Device - Manual (Page 31)

Table 8. Global Spanning Tree Parameters Menu Options
Menu Item Description
1. Admin Mode Enable or disable STP protocol
2. Version Shows which IEEE specification this meets
3. Configuration Name Name for configuration, typically MAC address, up to 32 characters
4. Configuration Revision Set a revision level between 1 and 65535
5. Priority Set the relative precedence within the STP control structure for the
9155, from 1 (highest) to 65534 (lowest). The highest priority sets
the root bridge, the bridge that controls the spanning tree. If two or
more bridges share the same priority, the lowest MAC address
defines the highest priority.
6. Hello Time (sec) Set how often the 9155 sends BPDUs if this 9155 is the Spanning
Tree root.
7. Forward Delay (sec) Set the time between port state transitions from Learning to Forward
if this bridge is the STP root.
8. Max Age (sec) Set the Timeout value, how fast the 9155 deletes addresses from the
forwarding database.
9. View/Change Interface Select a specific port for viewing or updating parameters.
4.6.2 Multiple Spanning Tree Parameters
Use the Multiple Spanning Tree (MST) Instance Configuration screen to view and set up instances of
grouped or associated VLANs in independent STPs. See Figure 22. To access the MST Instance
Configuration screen, follow these steps:
1. From the Switch Configuration menu, type 2, "Multiple Spanning Tree Parameters," and press
<Enter>.
2. At the MST Instance Configuration screen, type the number for an item and press <Enter>, then
follow the prompts.
3. To return to the Switch Configuration menu, press <Esc>.
MST INSTANCE CONFIGURATION
CONFIGURED MULTIPLE SPANNING TREE INSTANCES
1. View/Change Mst :
2. View Mst Status :
3. Create Mst :
4. Delete Mst :
5. Main Menu
Figure 22. MST Instance Configuration Screen
9155 Network Interface Device 4-15