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DGS-3130 Series Layer 3 Stackable Managed Switch Web UI Reference Guide
The fields that can be configured for MPT Instance are described below:
Parameter
Bridge Name
Bridge Priority
Bridge Max Age
Bridge Hello Time
Bridge Forward Time
Click the Apply button to accept the changes made and click Back to return to the STP Global Setting window.
STP Port Settings
This window is used to display and configure the STP port settings.
Figure 5-47 MPT Instance Settings Window
Description
Enter the MPT instance name here.
Select the instance priority here.
Enter the bridge Maximum Age value here. This value must be between 6 and
40 seconds. By default, this value is 20 seconds. The Maximum Age value may
be set to ensure that old information does not endlessly circulate through
redundant paths in the network, preventing the effective propagation of the new
information. Set by the Root Bridge, this value will aid in determining that the
Switch has spanning tree configuration values consistent with other devices on
the bridged LAN.
Enter the bridge Hello Time value here. This value must be between 1 and 2
seconds. By default, this value is 2 seconds. This is the interval between two
transmissions of BPDU packets sent by the Root Bridge to tell all other switches
that it is indeed the Root Bridge. This field will only appear here when STP or
RSTP is selected for the STP version. For MSTP, the Hello Time must be set on
a port per-port basis.
Enter the bridge Forwarding Time value here. This value must be between 4 and
30 seconds. By default, this value is 15 seconds. Every port on the Switch
spends this time in the Listening state while moving from the Blocking state to
the Forwarding state.
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