Chapter 46 Spanning Tree Protocol
GS1920v2 Series User’s Guide
286
46.10 Multiple Spanning Tree Protocol Port Setup
Click SWITCHING > Spanning Tree Protocol > MSTP > MSTP Port Setup to display the screen as shown next.
Figure 200 SWITCHING > Spanning Tree Protocol > MSTP > MSTP Port Setup
The following table describes the labels in this screen.
Path Cost Path cost is the cost of transmitting a frame on to a LAN through that port. It is recommended
to assign this value according to the speed of the bridge. The slower the media, the higher the
cost.
Apply Click Apply to save your changes to the Switch’s run-time memory. The Switch loses these
changes if it is turned off or loses power, so use the Save link on the top navigation panel to
save your changes to the non-volatile memory when you are done configuring.
Clear Click Clear to clear the fields to the factory defaults.
Cancel Click Cancel to not save the configuration you make and return to the last screen.
Table 150 SWITCHING > Spanning Tree Protocol > MSTP > Add/Edit (continued)
LABEL DESCRIPTION
Table 151 SWITCHING > Spanning Tree Protocol > MSTP > MSTP Port Setup
LABEL DESCRIPTION
Port This field displays the port number. * means all ports.
* Settings in this row apply to all ports.
Use this row only if you want to make some settings the same for all ports. Use this row first to
set the common settings and then make adjustments on a port-by-port basis.
Note: Changes in this row are copied to all the ports as soon as you make them.
Edge Select this check box to configure a port as an edge port when it is directly attached to a
computer. An edge port changes its initial STP port state from blocking state to forwarding
state immediately without going through listening and learning states right after the port is
configured as an edge port or when its link status changes.
Note: An edge port becomes a non-edge port as soon as it receives a Bridge
Protocol Data Unit (BPDU).
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