Cisco Cisco ASR 5000
SGSN-MME Combo Optimization
Monitoring and Troubleshooting Combo Optimization ▀
SGSN Administration Guide, StarOS Release 18 ▄
Monitoring and Troubleshooting Combo Optimization
This section provides information on the show commands and bulk statistics available to monitor and troubleshoot
Combo Optimization for the SGSN-MME combo node, and for each element separately.
Combo Optimization for the SGSN-MME combo node, and for each element separately.
Monitoring Commands for the SGSN-MME Combo Node
This section provides information regarding show commands and/or their outputs in support of the Combo Optimization
feature on the SGSN-MME Combo Node:
feature on the SGSN-MME Combo Node:
show hss-peer-service statistics all
The following new fields are added to the show output to display the subscription data statistics:
Subscription-Data Stats
Skip Subscription Data
Subscription-Data Not Received
The Skip Subscription Data statistic is incremented when the ULR is sent with the skip-subscription-data flag set. The
Subscription-Data Not Received statistic is incremented if the HSS does not send the subscription data in the ULA when
skip-subscription-data flag is set in ULR. The difference between the Skip Subscription Data and Subscription-Data Not
Received gives us the number of times HSS does not honour the skip-subscription-data flag.
Subscription-Data Not Received statistic is incremented if the HSS does not send the subscription data in the ULA when
skip-subscription-data flag is set in ULR. The difference between the Skip Subscription Data and Subscription-Data Not
Received gives us the number of times HSS does not honour the skip-subscription-data flag.
Monitoring Commands for the SGSN
This section provides information regarding show commands and/or their outputs in support of the Combo Optimization
feature on the SGSN:
feature on the SGSN:
show demux-mgr statistics imsimgr all sgsn
The following new fields are added in the show output to display the number of RAU, Attach, PTIMSI attach and
Forward relocation requests arriving from a subscriber attached with co-located MME:
Forward relocation requests arriving from a subscriber attached with co-located MME:
IMSI attach with context in co-located MME
P-TMSI attach with mapped P-TMSI of co-located MME
RAU with mapped P-TMSI of co-located MME
Fwd reloc request from co-located MME
show subscribers sgsn-only summary
The following new field is added in the show output to display the number of subscribers currently sharing subscription
information with MME:
information with MME:
Total HSS subscribers sharing subscription-info