Chapter 13 Spanning Tree Protocol
GS2220 Series User’s Guide
171
13.6.1 Multiple Spa nning Tre e Pro to c o l Po rt C o nfig ura tion
Click Adva nc e d Applic a tio n > Spa nning Tre e Pro to c o l > MSTP > Po rt in the navigation panel to display
the status screen as shown next.
Fig ure 137 Advanced Application > Spanning Tree Protocol > MSTP > Port
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.
Add Click this to create a new entry or to update an existing one.
This saves your changes to the Switch’s run-time memory. The Switch loses this change if it is
turned off or loses power, so use the Sa ve link on the top navigation panel to save your
changes to the non-volatile memory when you are done configuring.
Cancel Click C a nc e l to begin configuring this screen afresh.
Instance This field displays the ID of an MST instance.
VLAN This field displays the VID (or VID ranges) to which the MST instance is mapped.
Active Port This field display the ports configured to participate in the MST instance.
Select an entry’s check box to select a specific entry. Otherwise, select the check box in the
table heading row to select all entries.
Delete Check the rules that you want to remove and then click the De le te button.
Cancel Click C a nc e l to clear the selected check boxes.
Table 68 Advanced Application > Spanning Tree Protocol > MSTP (continued)
LABEL DESC RIPTIO N
Table 69 Advanced Application > Spanning Tree Protocol > MSTP > Port
LABEL DESCRIPTIO N
MSTP Click MSTP to edit MSTP settings on the Switch.
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.
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