Configure ULPP Basic Functions
Configuration Condition
Before configuring the ULPP basic function, first complete the following task:
- Configure the spanning tree instance mapping of the ULPP group
- When configuring the control VLAN of the ULPP group, it is required that the VLAN is created
- The member port of the ULPP group should be added to the control VLAN
Configure ULPP Group
The ULPP group contains two ports, that is, master port and slave port. The ULPP group has two work modes, that is, the link backup and load balance. In the link backup mode, only one of the master or slave port of the ULPP group is in the forwarding state; the other is blocked and in the standby state. When the normal forwarding port link fails, the ULPP group automatically blocks the port and switches the blocked standby port to the forwarding state. In the load balance mechanism, the ULPP group bears the spanning tree instance traffic in different VLANs according to the binding relation of the spanning tree instance and port configured on the master/slave port.
Table 4–2 Configure the ULPP group
|
Step
|
Command
|
Description
|
|
Enter the global configuration mode
|
configure terminal
|
-
|
| Create the ULPP group and enter the ULPP configuration mode |
ulpp-group group-id |
Mandatory
By default, do not create the ULPP group.
|
| Configure the master port of ULPP |
master { interface interface-name | link-aggregation link-aggregation-id }
|
Mandatory
By default, do not configure the master port of the ULPP group.
|
|
Configure the slave port of the ULPP group
|
slave { interface interface-name | link-aggregation link-aggregation-id }
|
Mandatory
By default, do not configure the slave port of the ULPP group.
|
|
Configure the instance of the ULPP group
|
instance group instance-number { master | slave }
|
Mandatory
By default, do not configure the instance of the ULPP group.
The spanning tree instances of the master port and slave port cannot intersect.
|
|
Configure the control VLAN of the ULPP group
|
control-vlan vlan-id
|
Mandatory
By default, do not configure the control VLAN of the ULPP group.
|
|
Configure enabling the ULPP group
|
enable
|
Mandatory
By default, do not configure enabling the ULPP group
|
|
Enable the function of the ULPP sending the FLUSH packet
|
flush enable
|
Optional
By default, do not enable the function of the ULPP group sending the FLUSH packet
|
|
Configure the work mode of the ULPP group
|
mode { load-balance | backup }
|
Optional
By default, the ULPP group is the master/slave (backup) mode.
|
|
Configure the role preemption function of the ULPP group
|
preemption mode role
|
Optional
By default, do not configure the ULPP group role preemption.
When the work mode of the ULPP group is the link backup mode, the role preemption function can be configured.
|
-
The member port of the ULPP group should disable the EIPS, STP and loopback detection function.
- The member port of the ULPP group cannot be the member port of the ULPP group and Monitor Link group.
- The control VLAN of the ULPP group cannot be used to forward the service data.
- One ULPP group can only have one control VLAN; one control VLAN can only belong to one ULPP group.
- After disabling the ULPP group, the member ports are all blocked in all spanning tree instances.
Configure ULPP Uplink Port
When the link switching happens to the ULPP group, the ULPP group sends the FLUSH packets to inform other devices to refresh the address table, so as to ensure the fast switching of the service traffic in the network. The uplink port not only receives the FLUSH packet, but also forwards the FLUSH packet in the control VLAN of the device.
Table 4–3 Configure the uplink port control VLAN of the ULPP group
|
Step
|
Command
|
Description
|
|
Enter the global configuration mode
|
configure terminal
|
-
|
|
Enter the port configuration mode
|
interface interface-name
|
Either
After entering the L2 Ethernet interface configuration mode, the subsequent configuration takes effect only on the current port; after entering the aggregation group configuration mode, the subsequent configuration takes effect only on the aggregation group.
|
|
Enter the aggregation group configuration mode
|
link-aggregation link-aggregation-id
|
|
Configure the uplink port control VLAN of the ULPP group
|
ulpp flush control-vlan vlan-list
|
Mandatory
By default, do not configure the uplink port control VLAN of the ULPP group
|
Switch
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