For S series switches, why is the BGP connection not immediately closed after the shutdown command is executed on the interfaces connecting two peers

Q: Why is the BGP connection not cut off immediately after the shutdown command is executed on interfaces connecting two devices?

A: When the EBGP peers are directly connected and the ebgp-interface-sensitive command is executed in the BGP view, the BGP peer connection is interrupted immediately after the interfaces connecting the two peers are shut down. By default, the ebgp-interface-sensitive command is executed in the BGP view. In other cases, the BGP peer relationship is not interrupted until the Hold timer times out.

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