D-Link DGS-3620-52P Web UI Reference Guide - Page 104
Link Aggregation, Instance ID, Internal Path Cost, Priority, Apply, Understanding Port Trunk Groups
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xStack® DGS-3620 Series Layer 3 Managed Stackable Gigabit Switch Web UI Reference Guide The fields that can be configured are described below: Parameter Description Port Select the port you want to configure. Instance ID The MSTI ID of the instance to be configured. Enter a value between 0 and 64. An entry of 0 in this field denotes the CIST (default MSTI). Internal Path Cost (1-200000000) This parameter is set to represent the relative cost of forwarding packets to specified ports when an interface is selected within an STP instance. Selecting this parameter with a value in the range of 1 to 200000000 will set the quickest route when a loop occurs. A lower Internal cost represents a quicker transmission. Selecting 0 (zero) for this parameter will set the quickest route automatically and optimally for an interface. Priority 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 the Find button to locate a specific entry based on the information entered. Click the Apply button to accept the changes made. Click the Edit button to re-configure the specific entry. Link Aggregation Understanding Port Trunk Groups Port trunk groups are used to combine a number of ports together to make a single high-bandwidth data pipeline. The Switch supports up to 32 port trunk groups with two to eight ports in each group. 4-41 Example of Port Trunk Group The Switch treats all ports in a trunk group as a single port. Data transmitted to a specific host (destination address) will always be transmitted over the same port in a trunk group. This allows packets in a data stream to arrive in the same order they were sent. 94
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