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DGS-3100 Series Gigabit Stackable Managed Switch CLI Manual
82
entere
d here is attached to BDPU packets as an identifier for the
MSTP region to which it belongs. Switches having the same
revision_level, name and identical vlans mapped for STP
instance_ids are considered to be part of the same MSTP region.
Parameters revision_level <int 0-65535>– The MSTP configuration revision
number. The value may be between 0 and 65535. This value, along
with the name and identical vlans mapped for STP instance_ids
identifies the MSTP region configured on the Switch. The default
setting is 0.
name <string> - A string of up to 32 alphanumeric characters to
uniquely identify the MSTP region on the Switch. This name, along
with the revision_level value and identical vlans mapped for STP
instance_ids identifies the MSTP region configured on the Switch. If
no name is entered, the default name is the MAC address of the
device.
Restrictions Only administrator or operator-level users can issue this command.
Example usage:
To configure the MSTP region of the Switch with revision_level 10 and the name ‘Trinity’:
DGS3100# config stp mst_config_id revision_level 10 name Trinity
Success.
DGS3100#
config stp mst_ports
Purpose To update the port configuration for a MSTP instance.
Syntax
config stp mst_ports [<portlist> | <ch1-32>] instance_id<value
0-15> {internalCost [auto | value 1-200000000] | priority <value
0-240>}
Description The config stp mst_ports command updates the port configuration
for a STP instance_id. If a loop occurs, the MSTP function uses the
port cost to select an interface to put into the forwarding state (if the
switch isn’t Root). If the switch is Root, then higher priority value for
interfaces will influence on selected ports to be forwarding first at
connected network devices. In instances where the priority value is
identical, the MSTP function implements the lowest port number into
the forwarding state and other interfaces are blocked. Remember
that lower priority values mean higher priorities for forwarding
packets.
Parameters <portlist> – A port or range of ports to be configured. The port list is
specified by listing switch number and the beginning port number on
that switch, separated by a colon. Then the highest port number of
the range is specified. The beginning and end of the port list range
are separated by a dash. For example, 1:3 specifies switch number
1, port 3. 1:22 specifies switch number 1, port 22. 1:3-22 specifies all
of the ports of switch 1, between port 3 and port 22 − in numerical
order.
<ch1-32> − a port-channel.
instance_id <value 0-15> - The value may be between 0 and 15. An
entry of 0 denotes the CIST (Common and Internal Spanning Tree.