H3C Technologies H3C S5560 Series Switches - Manual (Page 143)

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Figure 33 Network diagram
Configuration procedure
1. Configure VLANs and VLAN member ports. (Details not shown.)
{
Create VLAN 10, VLAN 20, and VLAN 30 on both Device A and Device B.
{
Create VLAN 10, VLAN 20, and VLAN 40 on Device C.
{
Create VLAN 20, VLAN 30, and VLAN 40 on Device D.
{
Configure the ports on these devices as trunk ports and assign them to related VLANs.
2. Configure Device A:
# Set the spanning tree mode to PVST.
<DeviceA> system-view
[DeviceA] stp mode pvst
# Configure the device as the root bridge of VLAN 10 and VLAN 20.
[DeviceA] stp vlan 10 20 root primary
# Enable the spanning tree feature globally and in VLAN 10, VLAN 20, and VLAN 30.
[DeviceA] stp global enable
[DeviceA] stp vlan 10 20 30 enable
3. Configure Device B:
# Set the spanning tree mode to PVST.
<DeviceB> system-view
[DeviceB] stp mode pvst
# Configure the device as the root bridge of VLAN 30.
[DeviceB] stp vlan 30 root primary
# Enable the spanning tree feature globally and in VLAN 10, VLAN 20, and VLAN 30.
[DeviceB] stp global enable
[DeviceB] stp vlan 10 20 30 enable
4. Configure Device C:
# Set the spanning tree mode to PVST.
<DeviceC> system-view
[DeviceC] stp mode pvst
# Configure the device as the root bridge of VLAN 40.
[DeviceC] stp vlan 40 root primary
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