HP BladeSystem bc2800 Embedded Web System User Guide for the HP BladeSystem PC - Page 116

Path Cost Default Values

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Configuring Spanning Tree ◆ Short - Specifies 1 through 65,535 range for port path cost. This is the default value. ◆ Long - Specifies 1 through 200,000,000 range for port path cost. The default path cost assigned to an interface varies according to the selected method (Hello Time, Max Age, or Forward Delay). ❏ Priority (0-65535) - Specifies the bridge priority value. When switches or bridges are running STP, each is assigned a priority. After exchanging BPDUs, the device with the lowest priority value becomes the Root Bridge. The default value is 32768. The port priority value is provided in increments of 4096. ❏ Hello Time (1-10) - Specifies the device Hello Time. Hello Time indicates the amount of time in seconds a Root Bridge waits between configuration messages. The default is 2 seconds. ❏ Max Age (6-40) - Specifies the device Maximum Age time. Maximum Age time is the amount of time in seconds a bridge waits before sending configuration messages. The default Maximum Age Time is 20 seconds. ❏ Forward Delay (4-30) - Specifies the device Forward Delay time. Forward Delay time is the amount of time in seconds a bridge remains in a listening and learning state before forwarding packets. The default is 10 seconds. ❏ Bridge ID - Identifies the Bridge priority and MAC address. ❏ Root Bridge ID - Identifies the Root Bridge priority and MAC address. ❏ Root Port - Indicates the port number that offers the lowest cost path from this bridge to the Root Bridge. This field is significant when the bridge is not the Root Bridge. The default is zero. ❏ Root Path Cost - The cost of the path from this bridge to the Root Bridge. ❏ Topology Changes Counts - Specifies the total amount of STP state changes that have occurred. ❏ Last Topology Change - Indicates the amount of time that has elapsed since the bridge was initialized or reset, and the last topographic change that occurred. The time is displayed in a day/hour/minute/second format, such as 2D/5H/10M/4S. 2. Select Enable in the Spanning Tree State field. 3. Select an STP type in the STP Operation Mode field. 4. Define the BPDU Handling and Path Cost Default Values fields. 5. Select either the Hello Time, Max Age, or Forward Delay field. 6. Click . STP is enabled, and the device is updated. 9-4 www.hp.com Embedded Web System User Guide

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9-4
www.hp.com
Embedded Web System User Guide
Configuring Spanning Tree
◆
Short
— Specifies 1 through 65,535 range for port path cost. This is the default
value.
◆
Long
— Specifies 1 through 200,000,000 range for port path cost. The default path
cost assigned to an interface varies according to the selected method (
Hello Time,
Max Age,
or
Forward Delay
).
❏
Priority (0-65535)
— Specifies the bridge priority value. When switches or bridges are
running STP, each is assigned a priority. After exchanging BPDUs, the device with the
lowest priority value becomes the Root Bridge. The default value is 32768. The port
priority value is provided in increments of 4096.
❏
Hello Time (1-10)
— Specifies the device Hello Time. Hello Time indicates the amount
of time in seconds a Root Bridge waits between configuration messages. The default is 2
seconds.
❏
Max Age (6-40)
— Specifies the device Maximum Age time. Maximum Age time is the
amount of time in seconds a bridge waits before sending configuration messages. The
default Maximum Age Time is 20 seconds.
❏
Forward Delay (4-30)
— Specifies the device Forward Delay time. Forward Delay time
is the amount of time in seconds a bridge remains in a listening and learning state before
forwarding packets. The default is 10 seconds.
❏
Bridge ID
— Identifies the Bridge priority and MAC address.
❏
Root Bridge ID
— Identifies the Root Bridge priority and MAC address.
❏
Root Port
— Indicates the port number that offers the lowest cost path from this bridge
to the Root Bridge. This field is significant when the bridge is not the Root Bridge. The
default is zero.
❏
Root Path Cost
— The cost of the path from this bridge to the Root Bridge.
❏
Topology Changes Counts
— Specifies the total amount of STP state changes that have
occurred.
❏
Last Topology Change
— Indicates the amount of time that has elapsed since the bridge
was initialized or reset, and the last topographic change that occurred. The time is
displayed in a day/hour/minute/second format, such as 2D/5H/10M/4S.
2. Select
Enable
in the
Spanning Tree State
field.
3. Select an STP type in the
STP Operation Mode
field.
4. Define the
BPDU Handling
and
Path Cost Default Values
fields.
5. Select either the
Hello Time
,
Max Age
, or
Forward Delay
field.
6. Click
. STP is enabled, and the device is updated.