Instruction Manual
75
•
Tx Hold Count:
The number of BPDUs a bridge port can send per second.
When exceeded, transmission of the next BPDU will be delayed. Valid values
are in the range 1 to 10 BPDUs per second.
•
Hello Time:
The time that controls the switch to send out the BPDU packet
to check STP current status. Enter a value between 1 - 10.
2.
Click the
Apply
button to apply the changes to the CIST instance settings.
Viewing CIST Instance Information
•
On the
CIST Instance Information
page, the following information will be
displayed:
•
Priority
: Displays the current CIST priority.
•
Max Hop
: Displays the current Max. Hop.
•
Forward Delay
: Displays the current forward delay.
•
Max. Age
: Displays the current Max. Age.
•
Tx Hold Count:
Displays the current Tx hold count.
•
Hello Time:
Displays the current hello time.
Applying Changes to CIST Port Setting
This page allows you to configure CIST priority and cost on a per-port basis.
1.
On the
CIST Port Setting
page, enter the following information:
•
Port Select
: Select the port number from this drop-down list.
•
Priority:
Controls the port priority. This can be used to control priority of
ports that have an identical port cost. The default value is 128. The value
range is 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.
2.
Click on the
Apply
button to apply changed to the CIST port.
Viewing CIST Port Status
•
On the
CIST Port Status
page, the following information will be displayed:
•
Port
: The switch port number of the logical STP port.
