xStack
®
DGS-3600 Series Layer 3 Managed Gigabit Ethernet Switch
Internal cost
(0=Auto)
This parameter is set to represent the relative cost of forwarding packets to specified ports
when an interface is selected within a STP instance. The default setting is 0 (auto). There are
two options:
0 (auto)
- Selecting this parameter for the
internalCost
will set quickest route
automatically and optimally for an interface. The default value is derived from the
media speed of the interface.
value 1-200000000
- Selecting this parameter with a value in the range of 1-
200000000 will set the quickest route when a loop occurs. A lower Internal cost
represents a quicker transmission.
Priority (0-240)
Enter a value between
0
and
240
to set the priority for the port interface. A higher priority will
designate the interface to forward packets first. A lower number denotes a higher priority.
Click
Apply
to implement changes made.
STP Instance Settings
The following window displays MSTIs currently set on the Switch.
To view the following table, click
L2 Features
> Spanning Tree > STP Instance Settings
, as shown below:
Figure 3- 58. STP Instance Settings window
The following information is displayed:
Parameter Description
Instance Type
Displays the instance type(s) currently configured on the Switch. Each instance type is classified
by a MSTI ID. CIST refers to the default MSTI configuration set on the Switch.
Instance Status
Displays the current status of the corresponding MSTI ID
Instance Priority
Displays the priority of the corresponding MSTI ID. The lowest priority will be the root bridge.
Click
Apply
to implement changes made.
Click the
Modify
button to change the priority of the MSTI. This will open the Instance ID Settings window to configure.
Figure 3- 59. Instance ID Settings - Modify priority window
Parameter Description
MSTI ID
Displays the MSTI ID of the instance being modified. An entry of
0
in this field denotes the
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