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Chapter 7 Configuring application settings 143
Using Web-based Management for the BayStack 380-24F Gigabit Switch
Table 55 Bridge Information page items
Item Range Description
Bridge Priority 0..65535 Type the priority value of the bridge ID in hexadecimal
notation, which is the most significant byte of the bridge ID.
The STA uses this parameter to determine the root bridge
(or designated bridge). For example, the bridge with the
lowest bridge ID becomes the root bridge, with Bridge
Priority values compared first, followed by the hardware
addresses.
The default setting is 8000.
Designated Root XXXXXXXXXXXXXX The bridge ID of the root bridge, as determined by the STA.
Root Port 1..24 The port number of the port which offers the lowest cost past
from this bridge to the root bridge.
Root Path Cost Integer The cost of the path to the root as seen from this bridge.
Hello Time 1..10 seconds The actual Hello Interval, the amount of time between
transmissions of configuration Bridge Protocol Data Units
(BPDUs) that the root bridge is currently using.
Note: Bridges participating in the spanning tree network use
the root bridge’s Hello Interval parameter value. See also
Bridge Hello Time.
Maximum Age Time 6..40 seconds The Maximum Age Time parameter value that the root
bridge is currently using. This value specifies the maximum
age that a Hello message can attain before it is discarded.
Note: The root bridge’s Maximum Age Time parameter value
becomes the actual Maximum Age Time parameter value for
all bridges participating in the spanning tree network. See
also Bridge Maximum Age Time.
Forward Delay 4..30 seconds The Forward Delay parameter value that the root bridge is
currently using. This value specifies the amount of time that
the bridge ports remain in the Listening and Learning states
before entering the Forwarding state.
Note: The root bridge’s Forward Delay parameter value
becomes the actual Forward Delay parameter value for all
bridges participating in the spanning tree network. See also
Bridge Forward Delay.
Bridge Hello Time 1..10 seconds The Hello Interval (the amount of time between
transmissions of BPDUs) specified by management for this
bridge. This parameter takes effect only when this bridge
becomes the root bridge.
Note: Although you can set the Hello Interval for a bridge
using bridge management software, once the spanning tree
computation process is complete, all bridges participating in
the spanning tree network use the root bridge’s Hello
Interval parameter value. If any bridge becomes the root
bridge, its Hello Interval parameter value becomes the
Actual Hello Interval parameter value for all bridges
participating in the spanning tree network. See also Hello
Time.
The default setting is 2 s
econds.