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Configuration Examples
418
Insight Managed 28-Port and 52-Port Gigabit Ethernet Smart Cloud Switches
MSTP Example Configuration
This example shows how to create an MSTP instance from the switch. The example network
includes three different switches that serve different locations in the network. In this example,
ports 1/0/1–1/0/5 are connected to host stations, so those links are not subject to network
loops. Ports 1/0/6–1/0/8 are connected across switches 1, 2, and 3.
Figure 2. MSTP sample configuration
Perform the following procedures on each switch to configure MSTP:
1. On the VLAN Configuration page for each switch, create VLANs 300 and 500 (see Add
a VLAN on page 113).
2. On the VLAN Membership page for each switch, include ports 1/0/1–1/0/8 as tagged (T) or
untagged (U) members of VLAN 300 and VLAN 500 (see Configure VLAN Membership on
page 117).
3. On the Global Settings page (for STP) for each switch, enable the Spanning Tree State
option (see Configure STP Settings on page 134).
Use the default values for the rest of the STP configuration settings. By default, the STP
operation mode is MSTP and the configuration name is the switch MAC address.
4. On the CST Configuration page for each switch (see Configure CST Settings on
page 136), set the bridge priority value for each of the three switches to force Switch 1 to be
the root bridge:
• Switch 1. 4096
• Switch 2. 12288
• Switch 3. 20480
Note: Bridge priority values are multiples of 4096.
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