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xStack
®
DGS-3600 Series Layer 3 Gigabit Ethernet Managed Switch
Figure 7- 46. MSTP Port Information window
To view the MSTI settings for a particular port, select the Port number, located in the top left hand corner of the screen and click
Apply
. To modify the settings for a particular MSTI Instance, click on its hyperlinked MSTI ID, which will reveal the following
window.
Figure 7- 47. MSTI Settings window
The user may configure the following parameters.
Parameter Description
Instance ID
Displays the MSTI ID of the instance being configured. An entry of 0 in this field denotes the
CIST (default MSTI).
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.
131