3Com S7906E - Switch, Configuration Manual

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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
Remotely Configuring MSTP for an ONU 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.