Configuring link aggregation of the CX111


Link aggregation is a method of combining multiple physical ports to form a single logical interface to provide a higher bandwidth. A link aggregation group across two switches provides a higher communication bandwidth and higher reliability. In addition, link aggregation provides redundancy protection for communications between devices without hardware upgrades.
CX111 supports the following link aggregation modes:
? Manual load balancing mode: You can add member interfaces to a link aggregation group. All interfaces forward traffic for load balancing. The load balancing of the CX111 can be based on destination MAC addresses, source MAC addresses, source or destination MAC addresses, source IP addresses, destination IP addresses, and source or destination IP addresses.
? Static LACP mode: Static LACP uses the LACP protocol to negotiate parameters and determine active and inactive interfaces. Static LACP can implement link load balancing and link redundancy.

Follow the instructions provided in the configuration guide:

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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