CX31x link aggregation configuration

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Link aggregation is a method of combining multiple physical ports to form a single logical port to provide a higher bandwidth. The link aggregation group between two switches provides a higher communications bandwidth and reliability. In addition, link aggregation provides redundancy protection for communications between devices without hardware upgrades.
The CX31x supports the following link aggregation modes:
? Manual load sharing mode: This mode allows you to manually add multiple member ports to a link aggregation group. All ports are in the forwarding state for load sharing. The CX31x supports load sharing based on the destination MAC address, source MAC address, source MAC xor destination MAC address, source IP address, destination IP address, and source IP address xor destination IP address.
? Static Link Aggregation Control Protocol (LACP) mode: This mode negotiates aggregation parameters and determines active and inactive ports over LACP to implement link aggregation. This mode implements link load sharing and link redundancy.

For details about the CX31x link aggregation configuration, see the following documents.
? C00 version:
http://support.huawei.com/enterprise/en/doc/DOC1000044778/?idPath=7919749|9856522|21782478|19955021|19961380
? C10 version:
http://support.huawei.com/enterprise/en/doc/DOC1000041694/?idPath=7919749|9856522|21782478|19955021|19961380

Other related questions:
Commands to configure link aggregation on S series switches
S series switches (except the S1700) implement link aggregation by using commands. Different commands have different functions. For example: interface eth-trunk: //Create an Eth-Trunk interface and enter the interface view. mode: //Configure the working mode of the Eth-Trunk. trunkport: //Add member interfaces to the Eth-Trunk. For more commands about link aggregation, see "Ethernet Switching Configuration Commands-Link Aggregation Commands" in S1720&S2700&S5700&S6720 V200R010C00 Command Reference. Link aggregation commands are applicable to all S series switch models. The Sx700 series switch is used here as an example.

Whether the firewall supports link aggregation
The USG2000&5000&6000 support manual link aggregation and static LACP mode link aggregation.

Principle of link aggregation on S series switches
Ethernet link aggregation , also called Eth-Trunk, bundles multiple physical links on S series switches (except the S1700) into a logical link to increase link bandwidth. The bundled links can increase the link reliability through mutual dynamic backup. Link aggregation is also called Ethernet link aggregation, port aggregation, link bundle, port bundle, Eth-Trunk, Eth-Trunk link aggregation, and interface aggregation. For more information about how link aggregation is implemented, see Link Aggregation Configuration in S1720&S2700&S5700&S6720 V200R010C00 Configuration Guide - Ethernet Switching. Link aggregation is implemented similarly on all S series switch models. The Sx700 series switch is used here as an example.

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