Cisco Cisco Packet Data Gateway (PDG) Veröffentlichungshinweis
MME Changes in Release 15.0
MME Enhancements for 15.0 MR6 ▀
Cisco ASR 5x00 Release Change Reference ▄
289
show configuration
A new field has been added to the MME-Service output section of this command to indicate the operators MME-Service
configuration for this cause code mapping:
configuration for this cause code mapping:
local-cause-code-mapping apn-not-subscribed esm-cause requested-service-option-not-
subscribed
show mme-service name
A new field has been added to the output of this command to indicate the operators MME-Service configuration for this
cause code mapping:
cause code mapping:
APN not subscribed : Requested service option not subscribed
CSCur89996 - MME releases UE context with Category NAS : Unspecified for
Radio issues
Feature Changes
Configuring the Cause Code Mapping for UE-CONTEXT-RELEASE Sent from MME
Previous Behavior: By default, when a UE was in connected state with an MME and whenever the MME received a
TAU Request over Initial-UE, then the MME initiated a UE-CONTEXT-RELEASE with cause NAS-Unspecified.
TAU Request over Initial-UE, then the MME initiated a UE-CONTEXT-RELEASE with cause NAS-Unspecified.
New Behavior: Now, by default, an MME initiates the UE-CONTEXT-RELEASE with cause NAS-Normal-Release
whenever the MME receives a TAU Request over Initial-UE if the UE is in the connected state. As well, the CLI has
been changed to enable the operator to configure a preferred cause code for init-ue-from-enodeb-for-tau.
whenever the MME receives a TAU Request over Initial-UE if the UE is in the connected state. As well, the CLI has
been changed to enable the operator to configure a preferred cause code for init-ue-from-enodeb-for-tau.
Customer Impact: This change only impacts a customer if the customer update their KPI calculation based on this
cause.
cause.
Command Changes
s1-ue-context-release
This new CLI command enables the operator to specify the cause code to be sent in UE-CONTEXT-RELEASE initiated
by the MME upon the reception of TAU Request over INITIAL-UE message when a UE is in connected state.
by the MME upon the reception of TAU Request over INITIAL-UE message when a UE is in connected state.
configure
context context_name
mme-service service_name
s1-ue-context-release reason init-ue-from-enodeb-for-tau cause type { nas
value nas_value | radio value radio_value }
value nas_value | radio value radio_value }
default s1-ue-context-release reason init-ue-from-enodeb-for-tau cause
end