TP-Link T3700G-28TQ T3700G-28TQ V1 UG - Page 123
Application Example for STP Function, Spanning Tree, STP Security, TC Protect
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Choose the menu Spanning Tree→STP Security→TC Protect to load the following page. Figure 8-11 TC Protect The following entries are displayed on this screen: TC Protect TC Threshold: Enter a number from 1 to 100. It is the maximum number of the TC-BPDUs received by the switch in a TC Protect Cycle. The default value is 20. TC Protect Cycle: Enter a value from 1 to 10 to specify the TC Protect Cycle. The default value is 5. 8.5 Application Example for STP Function Network Requirements Switch A, B, C, D and E all support MSTP function. A is the central switch. B and C are switches in the convergence layer. D, E and F are switches in the access layer. There are 6 VLANs labeled as VLAN101-VLAN106 in the network. All switches run MSTP and belong to the same MST region. The data in VLAN101, 103 and 105 are transmitted in the STP with B as the root bridge. The data in VLAN102, 104 and 106 are transmitted in the STP with C as the root bridge. Network Diagram 112