Cisco Cisco ASR 5000
MTC Congestion Control
▀ Configuring MTC Congestion Control
▄ SGSN Administration Guide, StarOS Release 18
Configuring APN-based Congestion Control
The following configuration associates congestion control functionality with a specific APN so that congestion
responses can be applied per APN.
responses can be applied per APN.
configure
operator-policy name op_policy_name
apn network-identifier apn_name congestion-control
end
Notes:
op_policy_name
: Enter a string of 1 to 64 alphanumeric characters to create or identify an operator policy.
apn_name
: Enter a string of 1 to 63 characters, including dots (.) and dashes (-), to identify a specific APN
network ID.
congestion-control
: Including this keyword associates congestion control functionality with the identified
APN.
During an Attach Request, new Inter SGSN RAU, or when receiving sm-messages, all subscribed APNs for
mobility management (MM) or selected APNs for session management (SM) will be checked to determine if
any of them is configured for congestion control, in which case the new call or sm-messages would be rejected.
any of them is configured for congestion control, in which case the new call or sm-messages would be rejected.
Verifying the APN-based Congestion Control Configuration
Use the command illustrated below to verify the configuration created with the commands in the Configuring APN-
based Congestion Control section above.
based Congestion Control section above.
The following is entered from the Exec mode.
[local]SGSN1-NH# show operator-policy full all
The following provides a sample of the display generated by the command illustrated above:
...
APN NI internet.com
APN Profile Name :
Congestion-control : Yes
...
Configuring Extended T3312 Timer
The Extended T3312 timer can be configured at two different levels: Call-Control Profile or Service-level (GPRS or
SGSN).
SGSN).