Cisco Cisco ASR 5000
MTC Congestion Control
▀ Configuring MTC Congestion Control
▄ SGSN Administration Guide, StarOS Release 18
when-subcribed
: This keyword instructs the SGSN to only send the Extended T3312 period RAU timer value
in Attach or RAU Accept messages if the SGSN receives the timeout value in an ISD (Insert Subscriber Data)
when the MS has indicated support in “MS Network Feature Support”.
when the MS has indicated support in “MS Network Feature Support”.
low-priority-ind-ue
: This keyword instructs the SGSN to include the Extended T3312 timer value only if
the Attach/RAU Request messages include a LAPI (low access priority indicator) in the “MS Device
Properties”.
Properties”.
Extended T3312 Timer Values in the Call-Control Profile
(Reminder: a configuration in the Call-Control Profile would override an
Extended-T3312-timeout
configuration
done for either the GPRS or SGSN services. As well, a Call-Control Profile configuration enables the operator to
finetune for Homers and Roamers.)
finetune for Homers and Roamers.)
Use the following configuration to enable Extended T3312 timer values for all subscribers:
configure
call-control-profile profile_name
gmm Extended-T3312-timeout { value exT3312_minutes | when-subscribed } [ low-
priority-ind-ue ]
priority-ind-ue ]
end
Notes:
value
: This keyword instructs the SGSN to send the defined Extended T3312 timer value in Attach or RAU
Accept messages to the MS if the subscriber has a subscription for the Extended T3312 timer (Subscribed
Periodic RAU/TAU Timer in ISD) and indicates support for the extended periodic timer via the MS Network
Feature Support.
Periodic RAU/TAU Timer in ISD) and indicates support for the extended periodic timer via the MS Network
Feature Support.
exT3312_minutes
: Enter an integer from 0 to 18600 to identify the number of minutes for the timeout;
default is 186 minutes.
when-subcribed
: This keyword instructs the SGSN to only send the Extended T3312 period RAU timer value
in Attach or RAU Accept messages if the SGSN receives the timeout value in an ISD (Insert Subscriber Data)
when the MS has indicated support in “MS Network Feature Support”.
when the MS has indicated support in “MS Network Feature Support”.
low-priority-ind-ue
: This keyword instructs the SGSN to include the Extended T3312 timer value only if
the Attach/RAU Request messages include a LAPI (low access priority indicator) in the “MS Device
Properties”.
Properties”.
Verifying the Extended T3312 Configurations
To verify the configuration for the 2G network environment, use the following command:
[local]SGSN1-NH# show gprs-service name service_name
To verify the configuration for the 3G network environment, use the following command:
[local]SGSN1-NH# show sgsn-service name service_name
To verify the configuration for the Extended T3312 in the Call-Control Profile, use the following command:
[local]SGSN1-NH# show call-control-profile full name profile_name