https://access.redhat.com/documentation/en-us/red_hat_enterprise_linux/6/html/fence_configuration_guide/s1-software-fence-ipmi-ca

True or 1. If blank, then value is False. It is recommended that you enable Lanplus to improve the security of your connection if your hardware supports it.

Most probably the hardware doesn't support with reduced security (lanplus=False is the default).

Best Regards,
Strahil Nikolov

On Fri, Sep 24, 2021 at 6:12, Tommy Sway
<sz_cuitao@163.com> wrote:
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