Operation Manual – MSTPH3C S5600 Series Ethernet Switches Chapter 1 MSTP Configuration1-371.4.2 Configuring the MST RegionRefer to Configuring an MST Region.1.4.3 Configuring How a Port Recognizes and Sends MSTP PacketsRefer to Configuring How a Port Recognizes and Sends MSTP Packets.1.4.4 Configuring the Timeout Time FactorRefer to Configuring the Timeout Time Factor.1.4.5 Configuring the Maximum Transmitting Rate on the Current PortRefer to Configuring the Maximum Transmitting Rate on the Current Port.1.4.6 Configuring a Port as an Edge PortRefer to Configuring the Current Port as an Edge Port.1.4.7 Configuring the Path Cost for a PortThe path cost parameter reflects the rate of the link connected to the port. For a port onan MSTP-enabled switch, the path cost may be different in different MSTIs. You canenable flows of different VLANs to travel along different physical links by configuringappropriate path costs on ports, so that VLAN-based load balancing can beimplemented.Path cost of a port can be determined by the switch or through manual configuration.I. Standards for calculating path costs of portsCurrently, a switch can calculate the path costs of ports based on one of the followingstandards:z dot1d-1998: Adopts the IEEE 802.1D-1998 standard to calculate the default pathcosts of ports.z dot1t: Adopts the IEEE 802.1t standard to calculate the default path costs of ports.z legacy: Adopts the proprietary standard to calculate the default path costs ofports.
