Delta DVS-328 series, User Manual

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D V S M a n a g e d I n d u s t r i a l R a c k Mo u n t E t h e r n e t S wi t c h U s e r Ma n u a l
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MST Port Status
Item Description
Interface This field shows the interface number or port channel number.
Port Priority
Enter the priority for the interface in the MST instance. Enter a value between 0
and 240 that is a multiple of 16. The default priority is 128.
Port Cost
Leave the default path cost, or entering a new path cost that is used for the
interface in the MST instance. Enter a number in the range of 1 to 200,000,000.
Enter zero (0) to reset the path cost.
Note:
The default path cost is 20,000 for a Gigabit Ethernet interface
Port Mode
Specify the administrative mode for the interface in the MST instance.

Enable: Enables STP for the interface. This is the default setting.

Disable: Disables STP for the interface.
Auto Calculated Port
Path Cost This field displays whether you have globally enabled or you can disable the
dynamic path cost on the CST Configuration page.
Port Id The port identifier, which consists of the port priority and the interface number
Port Forwarding State
The forwarding state of the interface in the MST instance. One of the following
options is displayed:

Discarding: The interface is in the discarding mode; it can not forward traffic
and can not learn new MAC addresses.

Learning: The interface is in the learning mode; it can not forward traffic, but
it can learn new MAC addresses.

Forwarding: The interface is in the forwarding mode; it can forward traffic
and learn new MAC addresses.
Port Role
The role types of the interface in the MST instance: One of the following options
is displayed:

Root

Master

Designated

Alternate

Backup