Spanning-Tree Mst Port-Priority; Spanning-Tree Mst Priority - SMC Networks ES4704BD Manual

Port Type
10Mbps
100Mbps
1Gbps
10Gbps
Usage Guide: By setting the port cost, users can control the cost from the current port to
the root bridge in order to control the elections of root port and the designated port of the
instance.
Example: On the port 1/2, set the MSTP port cost in the instance 2 to 3000000.
Switch(Config-Ethernet1/2)#spanning-tree mst 2 cost 3000000

8.3.17 spanning-tree mst port-priority

Command: spanning-tree mst <instance-id> port-priority <port-priority>
no spanning-tree mst <instance-id> port-priority
Function: Set the current port priority for the specified instance; The command "no
spanning-tree mst <instance-id> port-priority" restores the default setting.
Parameter:<instance-id> sets the instance ID. The valid range is from 0 to 48;
<port-priority> sets port priority. The valid range is from 0 to 240. The value should be
the multiples of 16, such as 0, 16, 32...240.
Command mode: Interface Mode
Default: The default port priority is 128.
Usage Guide: By setting the port priority, users can control the port ID of the instance in
order to control the root port and designated port of the instance. The lower the value of
the port priority is, the higher the priority is.
Example: Set the port priority as 32 on the port 1/2 for the instance 1.
Switch(Config)#interface ethernet 1/2
Switch(Config-Ethernet1/2)#spanning-tree mst 1 port-priority 32

8.3.18 spanning-tree mst priority

Command: spanning-tree mst <instance-id> priority <bridge-priority>
no spanning-tree mst <instance-id> priority
Function: Set the bridge priority for the specified instance; The command "no
spanning-tree mst <instance-id> priority" restores the default setting.
Parameter: <instance-id> sets instance ID. The valid range is from
<bridge-priority> sets the switch priority. The valid range is from 0 to 61440. The value
Allowed Number
Aggregation Ports
N
N
N
N
244
Of Default Port Cost
2000000/N
200000/N
20000/N
2000/N
0 to 48;