Precautions
After xPON type B single-homing protection is configured, the service configurations on an optical network unit (ONU) remain unchanged and data is transmitted or received over the primary xPON port.
Procedure
- Run the protect-group command to create a protection
group for xPON access ports.NOTE:
- Set protect-target to gpon-uni-port.
- The working mode of the members in the protection group can only be timedelay.
- Run the protect-group member command to add a protection member to the protection group.
- Run the protect-group enable command to enable the
protection group.
A created protection group is disabled by default.
- Run the display protect-group command to query the information about the protection group and all the members in the protection group.
- Bind a PPPoE single MAC address pool to a protection group if PPPoE
single MAC is enabled.
- To do so, run the bind mac-pool single-mac command in the protect-group mode.
- Otherwise, the PPPoE service carried over the xPON port is interrupted when a protection switchover is performed. In this case, users need to dial numbers up again to go online and the service interruption time is based on BRAS configurations. This may fail to meet the switchover performance requirements of no longer than 50 ms for a protection switchover.
Result
After the configuration, the primary xPON port on the OLT works in active mode and the secondary xPON port works in standby mode.
An automatic switching can be triggered by any of the following
conditions:
- OLT xPON port failureuyi
- Fractures of optical fibers
- Quality deterioration of lines
For a type B inter-board protection group, if an the customer needs to change the board that houses the active PON port, trigger type B protection switching to activate the standby PON port, and then migrate the to-be-migrated PON port to the target board.
Example
The following configurations are used as an example to configure GPON type B single-homing protection on the OLT:- Protection group members: 0/2/0 and 0/2/1 (on the same GPON service board)
- Primary port: 0/2/0
- Secondary port: 0/2/1
huawei(config)#protect-group 0 protect-target gpon-uni-port workmode timedelayhuawei(protect-group-0)#protect-group member port 0/2/0 role workhuawei(protect-group-0)#protect-group member port 0/2/1 role protecthuawei(protect-group-0)#protect-group enableThe following configurations are used as an example to configure type B single-homing protection on the OLT:
- Protection group members: 0/3/1 and 0/4/1 (on different GPON service boards)
- Primary port: 0/3/1
- Secondary port: 0/4/1
huawei(config)#protect-group 0 protect-target gpon-uni-port workmode timedelayhuawei(protect-group-0)#protect-group member port 0/3/1 role workhuawei(protect-group-0)#protect-group member port 0/4/1 role protecthuawei(protect-group-0)#protect-group enable
