Cisco Cisco Packet Data Gateway (PDG)
SGSN Changes in Release 17
▀ SGSN Enhancements for 17.0
▄ Release Change Reference, StarOS Release 17
516
sgsn clear-congestion
Notes:
If the command is applied then the SGSN resumes normal operations and does not apply any congestion control
policy.
gmm t3346
The
gmm
command includes a new keyword to set the MM T3346 backoff timer for either or both the GPRS Service
(2G) and/or SGSN Service (3G).
configure
context context_name
{ gprs-service | sgsn-service } service_name
gmm t3346 min minimum_minutes max maximum_minutes
no gmm t3346
end
Notes:
no
: Including this filter with the command removes the MM backoff timer definition from the service
configuration.
minimum_minutes
: Enter an integer from 1 to 15 to identify the minimum number of minutes; default is 15
minutes.
maximum_minutes
: Enter an integer from 1 to 30 to identify the maximum number of minutes; default is 30
minutes.
If an Attach Request or RAU Request or Service Request is rejected due to congestion, then the T3346 value
will be included in the reject message with GMM cause code 22 (congestion). The MM backoff timer value
sent will be chosen randomly from within the configured T3346 timer value range.
sent will be chosen randomly from within the configured T3346 timer value range.
The timer will be ignored if an Attach Request or RAU Request is received after congestion has cleared.
If T3346 timer value is configured in a Call-Control Profile then that value will override the backoff timer values
defined for this GPRS Service configurations.
gmm t3346
The
gmm
command includes a new keyword to set the MM T3346 backoff timer for a Call-Control Profile.
configure
call-control-profile ccpolicy_name
gmm t3346 min minimum_minutes max maximum_minutes
no gmm t3346
end