# Creating an STG

Use this procedure to create a Spanning Tree Group.

## Procedure steps

1. From the navigation tree, double-click VLAN.

2. From the VLAN tree, double-click Spanning Tree.

3. From the Spanning Tree folder, click STG.

4. Click the Configuration tab.

5. Click Insert.

6. In the fields provided, fill in the information for the new STG.

7. Click Insert.

## Variable definitions

The following table outlines the parameters of the Configuration tab.

Table 1. STG Configuration tab parameters
Variable | Value
--- | ---
Id | Enter an integer between 1 and 8 that identifies the STG; 1 is the default STG.
BridgeAddress | Displays the MAC address used by this bridge; it is usually the smallest MAC address of all ports in the bridge.
NumPorts | Displays the number of ports controlled by this bridging entity.
ProtocolSpecification | Displays the version of spanning tree that is running.
Priority | Enter the first two octets of the 8-octet bridge ID; the range is 0 to 65 535.
BridgeMaxAge | Enter the maximum time you want to allow before the specified STG times out, in seconds; the range is 600 to 4 000.
BridgeHelloTime | Enter the maximum time between hellos, in seconds; the range is 100 to 1 000.
BridgeForwardDelay | Enter the maximum delay in forwarding, in seconds; the range is 400 to 3 000.
EnableStp | Enables or disables the spanning tree group.
TaggedBpduAddress | The address for the tagged BPDU.
TaggedBpduVlanId | Enter the VLAN ID for tagged BPDUs.