Alloy GSM-16T2SFP, Руководство пользователя

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GSM Series User Manual
83
Alloy Computer Products Pty Ltd Copyright ©2006
3-13-3. STP Port Configuration
Fig. 3-52
Function name:
STP Port Configuration
Function description:
The STP Port setting is used to configure the “path cost”, “priority”, “admin edge port”
and the “admin point to point” settings. Each port can be configured individually by
highlighting the port and clicking in the Edit button.
Parameters description:
Port Status:
Displays the current state of the port, there are three possible states according to
the 802.1w standard.
Discarding: Indicates that this port can neither forward packets nor contribute in
learning.
Note: Three other states Disable, Blocking and Listening defined in the 802.1d
standard are now all represented as the Discarding state.
Learning: Indicates that this port can now contribute its learning knowledge but
can not forward packets.
Forwarding: Indicates this port can both contribute its learning knowledge as
well as forward packets normally.
Path Cost Status:
Determines the shortest path to the root bridge, the smaller the path cost value
the more possible the port will become the root port.