Configuration Examples
352
S3300 Smart Managed Pro Switch
MSTP Configuration Example
This example shows how to create an MSTP instance on the switch. The example network
has three different switches that serve different locations in the network. In this example,
ports g1–g5 are connected to host stations, so those links are not subject to network loops.
Ports g6–g8 are connected across switches 1, 2, and 3.
Ports g1-g5
Switch 1
Connected to Hosts
Root Bridge
Switch 2
Switch 3
Ports g1-g5
Connected to Hosts
Ports g1-g5
Connected to Hosts
Ports g6-g8
Connected to Switch 2 and 3
Ports g6-g8
Connected to Switch 1 and 2
Figure 123. MSTP Configuration Example
Perform the following procedures on each switch to configure MSTP:
1. Use the
VLAN Configuration screen to create VLANs 300 and 500.
For more information about this step, see, Basic VLAN Configuration on
page 145.
2. Use
the VLAN Membership screen to include ports g1–g8 as tagged (T) or untagged (U)
members of VLAN 300 and VLAN 500.
For more information about this step, see VLAN Membership Configuration o
n page 146.
3. From t
he STP Configuration screen, enable the Spanning Tree State option.
For more information about this step, see STP Configuration on p
age 159.
Use the default values for the rest of the STP configuration settings. By default, the STP
Op
eration Mode is MSTP and the Configuration Name is the switch MAC address.
4. From
the CST Configuration screen, set the Bridge Priority value for each of the three
switches to force Switch 1 to be the root bridge:
• Switc
h 1. 4096
• Switc
h 2. 12288
• Switc
h 3. 20480
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