Purposes of the Link-Group on the USG2000 and USG5000

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The Link-Group ensures the state consistency of physical interfaces in a group and accelerates the route convergence speed upon link failures.

Other related questions:
Link-Group definition on the USG2000 and USG5000
The Link-Group function can bind the states of multiple interfaces as a logical group. When any interface in the group is faulty, the system sets the state of other interfaces in the group as Down. After all interfaces in the group resume to be normal, the system sets the state of the interfaces in the entire group to Up again.

what the purpose of the USG2000 and USG5000 series equipment configured IP-Link
IP-Link is mainly used for automatic detection of the normal link or not, can be detected with the FW is not directly linked to the state of the link, to ensure business continuity.

IP-Link purposes on the USG
IP-Link is mainly used to automatically detect whether a service link is normal. It can be used to detect the status of a link that is not directly connected to the firewall to ensure service continuity.

Components of the physical server group on the USG2000 and USG5000 series
A physical server group consists of multiple physical servers that process service traffic.

Creating a physical server group on the USG2000 and USG5000 series
Run the group command in the SLB view to create a physical server.

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