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3com S7906E Manuel De Montage

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An S7900E switch installed with an OLT card can work as an EPON OLT. In this case, you can remote 
configure STP/RSTP/MSTP for ONUs in ONU port view to remove loops between attached ONUs, and 
you can also remotely configure RSTP for UNIs on an ONU to remove loops between UNIs and terminal 
users.  
Complete the following tasks to configure MSTP: 
Task 
Remarks 
Optional 
Remotely Configure RSTP for UNIs of an ONU 
Optional 
Refer to EPON-OLT Configuration in the 
Access Volume
 
 
Configuring MSTP 
Configuring an MST Region 
Make the following configurations on the root bridge and on the leaf nodes separately.  
Follow these steps to configure an MST region: 
To do... 
Use the command... 
Remarks 
Enter system view 
system-view
 
— 
Enter MST region view 
stp region-configuration
 
— 
Configure the MST region 
name 
region-name
 name 
Optional 
The MST region name is the 
MAC address by default. 
instance
 instance-id vlan vlan-list 
Configure the 
VLAN-to-instance mapping 
table 
vlan-mapping modulo
 modulo 
Optional 
Use either command. 
All VLANs in an MST region 
are mapped to MSTI 0 by 
default. 
Configure the MSTP 
revision level of the MST 
region  
revision-level
 level 
Optional 
0 by default 
Display the MST region 
configurations that are not 
activated yet 
check region-configuration 
Optional 
Activate MST region 
configuration manually 
active region-configuration 
Required 
Display the configurations 
of currently activated MST 
regions 
display stp region-configuration 
The display command can 
be executed in any view.