Allied Telesis AT-S63 - Manual (Page 196)

Chapter 15: MSTP
196 Section II: Advanced Features
range is 0 to 240 in increments of 16. The default value is 8 (priority
value is 128). For a list of the increments, refer to Table 6, ”Port
Priority Value Increments” on page 169.
Port Internal Path Cost
The port cost of the port if the port is connected to a bridge which
is part of the same MSTP region. The range is 0 to 200,000,000. The
default setting is Auto-detect, which sets port cost depending on
the speed of the port. Default values are 2,000,000 for 10 Mbps
ports, 200,000 for a 100 Mbps ports, and 20,000 for one gigabit
ports.
Edge Port
This parameter defines whether the port is functioning as an edge
port. The possible settings are Yes and No. For an explanation of
this parameter, refer to “Point-to-Point and Edge Ports” in Chapter
16, “STP and RSTP” in the AT-S63 Management Software Menus
Interface User’s Guide.
Point-to-Point
This parameter defines whether the port is functioning as a point-
to-point port. The possible settings are Yes, No, and Auto-Detect.
For an explanation of this parameter, refer to “Point-to-Point and
Edge Ports” in Chapter 16, “STP and RSTP” in the AT-S63
Management Software Menus Interface User’s Guide.
Port External Path Cost
The port cost of the port if the port is connected to a bridge which
is a member of another MSTP region or is running STP or RSTP. The
range is 0 to 200,000,000. The default setting is 200,000.
8. After adjusting the parameters, click Apply.
9. To permanently save the change, return to the General tab on the
System page and click Save Changes.
For more information about what the Save Changes button does,
refer to ”Saving Your Parameter Changes” on page 36.
10. Repeat this procedure to configure MSTP parameters for other switch
ports.