How is the LACP mode configured when a CE switch connects to a third-party device through an Eth-Trunk

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Run the mode { lacp-static | lacp-dynamic | manual [ load-balance ] } command in the Eth-Trunk interface view to configure the LACP mode of the Eth-Trunk on the CE switch.

When a CE switch connects to a third-party device, the LACP modes must be consistent on the two ends. Mainstream network devices that connect to CE switches include devices from Cisco, Juniper, and H3C. The table on the right describes the mapping between aggregation modes.

Other related questions:
How do I configure link aggregation in LACP mode on S series switches
Configure link aggregation in LACP mode on S series switches (except the S1700) as follows: # Create Eth-Trunk 1 on a switch and configure Eth-Trunk 1 to work in LACP mode. [HUAWEI] interface eth-trunk 1 [HUAWEI-Eth-Trunk1] mode lacp [HUAWEI-Eth-Trunk1] quit

Can the U1900 series unified gateway interconnect with a third-party device
The U1900 series unified gateway supports the standard SIP protocol. If a third-party device uses the SIP protocol, you can try interconnecting this device with the U1900. During interconnection testing, run the following command to set the value of software parameter 286 to 0: config softargu type 286 value 0.

How do I configure an Eth-Trunk on an S series switch and allow packets of certain VLANs to pass through
For S series switches (except the S1700), to allow an Eth-Trunk to transparently transmit packets from multiple VLANs, you can configure the link type of the interface as Trunk or Hybrid. The following example configures an Eth-Trunk in LACP mode and sets the link type of the interface to Trunk so that the interface can transparently transmit packets from multiple VLANs: 1. Create Eth-Trunk 1 on the switch and configure Eth-Trunk 1 to work in LACP mode. [HUAWEI] interface eth-trunk 1 [HUAWEI-Eth-Trunk1] mode lacp 2. Configure Eth-Trunk 1 to allow packets from VLANs 10 to 100 to pass through. [HUAWEI-Eth-Trunk1] port link-type trunk [HUAWEI-Eth-Trunk1] port trunk allow-pass vlan 10 to 100

How to determine the actor and partner of an Eth-Trunk in LACP mode
The Actor and Partner of an Eth-Trunk in LACP mode are determined as follows: The device with a smaller system LACP priority functions as the Actor. The System Priority field and the SysPri field of the Partner in the display eth-trunk command output represent system LACP priorities of local and remote devices respectively. A smaller value indicates a higher priority. By default, the system LACP priorities of devices are both 32768. If system LACP priorities of devices at both ends of the Eth-Trunk are the same, the device with a smaller MAC address functions as the Actor. The System ID field and the System ID field of the Partner in the display eth-trunk command output represent system MAC addresses of local and remote devices respectively.

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