TP-Link T1600G-18TS Configuration Manual page 249

Configuring Spanning Tree
Note:
To prevent frequent network flapping, make sure that Hello Time, Forward Delay, and Max Age
conform to the following formulas:
2*(Hello Time + 1) <= Max Age
•
2*(Forward Delay - 1) >= Max Age
•
2) In the Global Config section, enable Spanning-Tree function and choose the STP mode
as MSTP and click Apply.
Spanning-Tree
Mode
Enable or disable spanning tree function globally on the switch.
Select the desired STP mode as MSTP on the switch. By default, it is STP.
STP: Specify the spanning tree mode as STP.
RSTP: Specify the spanning tree mode as RSTP.
MSTP: Specify the spanning tree mode as MSTP.
MSTP Configurations
Configuration Guide 226