User's Manual

Table Of Contents
216
Users Manual of CS-6306R
19.1.3.6 Configuring the Forward Delay Time
Configure sstp forward delay to determine the number of seconds an interface waits before changing from its
spanning-tree learning and listening states to the forwarding state.
Use the following command to configure sstp forward delay:
Command Purpose
spanning-tree sstpforward-time
Configures sstp Forward time.
no spanning-tree sstp forward-time Returns forward time to default value (15s).
19.1.3.7 Configuring the Port Priority
If a loop occurs, spanning tree uses the port priority when selecting an interface to put into the forwarding
state. You can assign higher priority values (lower numerical values) to interfaces that you want selected first
and lower priority values (higher numerical values) that you want selected last. If all interfaces have the same
priority value, spanning tree puts the interface with the lowest interface number in the forwarding state and
blocks the other interfaces.
Follow these steps to configure the port priority of an interface:
Command Purpose
spanning-tree port-priority value
Configures the port priority for an interface.
spanning-tree sstp port-priorityvalue
Modifies sstp port priority.
no spanning-tree sstp port-priority Returns port priority to default value (128).
19.1.3.8 Configuring the Path Cost
Follow these steps to configure the cost of an interface:
Command Purpose
spanning-tree cost value
Configures the cost for an interface.
spanning-tree sstp costvalue
Modifies sstp path cost.
no spanning-tree sstp cost Returns path cost to default value.
19.1.3.9 Configuring Auto-Designated Port
The auto-designated port is a special function of the switch. The function allows line card to automatically
send BPDU to the auto-designated port, reducing the load of the MSU.
The auto-designated port function is effective in STP mode.
In global configuration mode, run the following commands to configure the auto-designated port function of
switch:
Command Purpose
spanning-tree designated-auto
Enables the auto-designated port
function.
no spanning-tree designated-auto
Disables the auto-designated port
function.