3com WX3000 Manuel D’Utilisation

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Configuring Rapid Transition 
Configuration prerequisites 
As shown in 
, a WX3000 series device is connected to a device of another vendor. The former 
operates as the downstream device, and the latter operates as the upstream device. The network 
operates normally. 
The upstream device is running a proprietary spanning tree protocol that is similar to RSTP in the way to 
implement rapid transition on designated ports. Port 1 is the designated port. 
The downstream device is running MSTP. Port 2 is the root port. 
Figure 1-8 
Network diagram for rapid transition configuration 
 
 
Configuration procedure 
1)  Configure the rapid transition feature in system view 
Follow these steps to configure the rapid transition feature in system view: 
To do… 
Use the command… 
Remarks 
Enter system view 
system-view 
— 
Enable the rapid transition 
feature 
stp interface
 interface-type 
interface-number
 
no-agreement-check
 
Required 
By default, the rapid transition 
feature is disabled on a port. 
 
2)  Configure the rapid transition feature in Ethernet port view 
Follow these steps to configure the rapid transition feature in Ethernet port view: 
To do… 
Use the command… 
Remarks 
Enter system view 
system-view 
— 
Enter Ethernet port view 
interface
 interface-type 
interface-number
 
— 
Enable the rapid transition 
feature 
stp no-agreement-check 
Required 
By default, the rapid transition 
feature is disabled on a port.