Cisco Cisco Packet Data Gateway (PDG)

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S1-AP Inbound and Outbound Error Statistics
CSCux45930 - S1-AP Inbound and Outbound Error Statistics
Feature Changes
The following behavior change enables the carrier to track Radio Network and Protocol error statistics
separately for transmitted and received errors.
Previous Behavior: Tracking support was only available for outbound, and not for inbound, error messages.
New Behavior: The "show mme-service statistics s1ap" command is enhanced to display separately transmitted
and received radio network error statistics and protocol error statistics. As well, new bulk statistics are added
to the MME Schema for received radio network and protocol error statistics.
Performance Changes
show mme-service statistics
New output counters are bolded in the following sample display:
show mme-service statistics s1ap
Radio Network Error Statistics:
Transmitted:
Unknown MME UE S1AP Id: Unknown ENB UE S1AP Id:
Unknown UE S1AP Id Pair:
Received:
Unknown MME UE S1AP Id: Unknown ENB UE S1AP Id:
Unknown UE S1AP Id Pair:
Protocol Error Statistics:
Transmitted:
Transfer Syntax Error:
Semantic Error:
Message Not Compatible:
Abstract Syntax Error:
Reject:
Ignore And Notify:
Falsely Constr Msg:
Received:
Transfer Syntax Error:
Semantic Error:
Message Not Compatible:
Abstract Syntax Error:
Reject:
Ignore And Notify:
Falsely Constr Msg:

MME Schema
Corresponding bulk statistic variables are added to the MME schema for received error statistics :
• s1ap-err-rcv-unknownmme-ues1apid
• s1ap-err-rcv-unknownenb-ues1apid
• s1ap-err-rcv-unknownpair-ues1apid
• s1ap-err-rcv-tfr-synerr
• s1ap-err-rcv-semanticerr
   Release Change Reference, StarOS Release 19
176
MME Changes in Release 19
S1-AP Inbound and Outbound Error Statistics