Configuring Congestion Action Profile
To configure this feature, use the following configuration:
config
congestion-action-profile action-profile action_profile_name
n2-overload
report-overload { permit-emergency-sessions-and-mobile-terminated-services-only | permit-high-priority-sessions-and-mobile-terminated-services-only | reject-new-sessions | reject-non-emergency-sessions }
traffic-load-reduction load_reduction_percentage
nas-congestion-enabled
end
NOTES:
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congestion-action-profile —Enter the congestion action configuration mode.
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action-profile action_profile_name —Specify the action profile name that is mapped to the system load stage.
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n2-overload —Configure parameters that must be applied when N2 is overloaded.
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report-overload —Configure the overload response message that AMF sends to gNB.
The report-overload includes the following options:
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permit-emergency-sessions-and-mobile-terminated-services-only —Configure to permit only emergency sessions and mobile-terminated services to access AMF during the overload situation.
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permit-high-priority-sessions-and-mobile-terminated-services-only —Configure to permit only high priority or emergency sessions and mobile-terminated services that AMF sends to the gNBs.
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reject-new-sessions —Configure to reject all new connection requests except emergency requests sent to the AMF during the overload situation.
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reject-non-emergency-sessions —Configure to reject all nonemergency or nonhigh priority Sessions Creation Requests during the overload situation.
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traffic-load-reduction load_reduction_percentage —Specify the percentage of traffic load to be reduced at gNB. load_reduction_percentage must be an integer in the range 1–99.
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nas-congestion-enabled —Enable the congestion control feature for NAS. nas-congestion-enabled is disabled by default.