Cisco Cisco Packet Data Gateway (PDG)
SGSN Changes in Release 17
▀ SGSN Enhancements for 17.0
▄ Release Change Reference, StarOS Release 17
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This command instructs the SGSN to drop or reject any new calls (Attach Request messages or new Inter SGSN RAU
messages) if new call messages are received during congestion. The new call instructions in the congestion-action-
profile can be refined to only drop or reject new call messages with low access priority indicator (LAPI).
messages) if new call messages are received during congestion. The new call instructions in the congestion-action-
profile can be refined to only drop or reject new call messages with low access priority indicator (LAPI).
configure
sgsn-global
congestion-control
congestion-action-profile action_profile_name
new-call-policy { drop | reject } [ low-priority-ind-ue ] [ apn-based ]
no new-call-policy
Notes:
no
: When this filter is added to the command, the SGSN deletes the new call policy definitions from the
congestion-action-profile.
drop | reject
: Defines the congestion response action, drop or reject, to be taken when new call (Attach
Request or new Inter SGSN RAU) messages are received during congestion.
low-priority-ind-ue
: Instructs the SGSN to only take defined action if messages include low access priority
indicator (LAPI).
apn-based
: Instructs the SGSN to reject a new call based on the subscribed APN if congestion control is
configured for that APN under an applicable Operator Policy.
If both the LAPI and APN-based options are included in the action-profile, then the call event will only be
rejected if both conditions are matched.
Use the
show sgsn-mode
command to display the SGSN’s congestion-control configuration defined with the
command listed above.
sm-messages
This command instructs the SGSN to reject any SM signaling messages (activation or modification) during congestion.
The congestion-action-profile parameter can be refined to only reject SM signaling messages with LAPI.
The congestion-action-profile parameter can be refined to only reject SM signaling messages with LAPI.
configure
sgsn-global
congestion-control
congestion-action-profile action_profile_name
sm-messages reject [ low-priority-ind-ue ] [ apn-based ]
no sm-messages
Notes:
no
: When this filter is added to the command, the SGSN deletes the sm-messages definition from the
congestion-action-profile.