User’s Manual of IGS-4215-16T2S
4.6.5 CIST Port Setting
This page allows you to configure per port CIST priority and cost. The CIST Port Setting and Status screens in Figure 4-6-10
and Figure 4-6-11 appear.
Figure 4-6-10: CIST Port Setting Page Screenshot
The page includes the following fields:
Object Description
• Port Select
Select port number for this drop down list.
• Priority
Controls the port priority. This can be used to control priority of ports having
identical port cost. (See above).
Default: 128.
Range: 0-240, in steps of 16.
• Internal Path Cost
(0 = Auto)
Controls the path cost incurred by the port.
The Auto setting will set the path cost as appropriate by the physical link speed,
using the 802.1D recommended values. Using the Specific setting, a
user-defined value can be entered.
The path cost is used when establishing the active topology of the network.
Lower path cost ports are chosen as forwarding ports in favor of higher path cost
ports. Valid values are in the range 1 to 200000000.
Buttons
: Click to apply changes.
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