D-Link DGS-3612G Product Manual - Page 156

xStack® DGS-3600 Series Layer 3 Managed Gigabit Ethernet Switch Internal cost (0=Auto) This parameter is set to represent the relative cost of forwarding packets to specified ports when an interface is selected within a STP instance. The default setting is 0 (auto). There are two options: 0 (auto) - Selecting this parameter for the internalCost will set quickest route automatically and optimally for an interface. The default value is derived from the media speed of the interface. value 1-200000000 - Selecting this parameter with a value in the range of 1200000000 will set the quickest route when a loop occurs. A lower Internal cost represents a quicker transmission. Priority (0-240) Enter a value between 0 and 240 to set the priority for the port interface. A higher priority will designate the interface to forward packets first. A lower number denotes a higher priority. Click Apply to implement changes made. STP Instance Settings The following window displays MSTIs currently set on the Switch. To view the following table, click L2 Features > Spanning Tree > STP Instance Settings, as shown below: Figure 3- 58. STP Instance Settings window The following information is displayed: Parameter Description Instance Type Displays the instance type(s) currently configured on the Switch. Each instance type is classified by a MSTI ID. CIST refers to the default MSTI configuration set on the Switch. Instance Status Displays the current status of the corresponding MSTI ID Instance Priority Displays the priority of the corresponding MSTI ID. The lowest priority will be the root bridge. Click Apply to implement changes made. Click the Modify button to change the priority of the MSTI. This will open the Instance ID Settings window to configure. Parameter MSTI ID Figure 3- 59. Instance ID Settings - Modify priority window Description Displays the MSTI ID of the instance being modified. An entry of 0 in this field denotes the 140