Can link aggregation be used with STP

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Link aggregation can be used with STP. After link aggregation is performed, several physical links are bundled into one logical link and share the IP address and MAC address. STP does not differentiate member links. STP considers the Eth-Trunk as one link and takes actions such as Discard, Forward, or Block.

Other related questions:
Can link aggregation be used with STP
Link aggregation can be used with STP. After link aggregation is performed, several physical links are bundled into one logical link and share the IP address and MAC address. STP does not differentiate member links. STP considers the Eth-Trunk as one link and takes actions such as Discard, Forward, or Block.

Do I need to enable STP after an Eth-Trunk is configured on S series switches
You do not need to configure STP after an Eth-Trunk is configured on S series switches (except the S1700).

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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