Cisco Cisco Packet Data Gateway (PDG)
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MME Changes in Release 16
MME Enhancements for 16.0 ▀
Release Change Reference, StarOS Release 16 ▄
289
Performance Indicator Changes
show mme-service session full all
The
show mme-service session full all
command now displays the UE eNodeB associations for the UE,
including the MME UE S1AP Id and the eNodeB UE S1AP Id, as well as the total count of S1AP IDs present in the
stack.
stack.
If the information from stack is different than that stored in MME, it is indicative of an issue with UE-state at the MME.
The new fields are highlighted in the sample output below:
Active ENodeB information:
Global ENodeB ID: 123:123:456
S1AP End Point: 192.60.60.4
Crypto-map Name: n/a
MME UE S1AP ID: 1048577 ENodeB UE S1AP ID: 12346
MME UE S1AP ID (stack): 1049075 ENodeB UE S1AP ID (stack): 353
MME UE S1AP ID (stack): 1049076 ENodeB UE S1AP ID (stack): 354
MME UE S1AP ID (stack): 1049077 ENodeB UE S1AP ID (stack): 355
Total S1AP ID (stack): 5
CSCuj16369 - MME is not sending S1-Setup response when 33 PLMNs are
configured
Feature Changes
S1-Setup Response Behavior Change
Previous Behavior: All the configured PLMNs under the mme-service from the
plmn-id
,
network-sharing
and
inter-rat-nnsf
commands were considered while forming the gummei_ie for sending an "S1-Setup Response".
New Behavior: A maximum of 32 PLMNs can be sent in an "S1-Setup Response", even if the operator configured
more than 32 PLMNs using all the 3 CLIs.
more than 32 PLMNs using all the 3 CLIs.
The MME now populates the serving PLMNs from the
plmn-id
command, then PLMNs from
network-sharing
command, and finally the PLMNs from
inter-rat-nnsf
command until the 32 PLMN limit is reached.
Once the limit is reached, even if there are more PLMNs to be fetched from "inter-rat-nnsf", these entries will be
ignored.
ignored.
Customer Impact: Any PLMN entries beyond the 32 PLMN limit are ignored.