B-2
Cisco BTS 10200 Softswitch Troubleshooting Guide, Release 5.0.x
OL-8723-19
Appendix B System Usage of MGW Keepalive Parameters, Release 5.0
Keepalive for Release 5.0 Prior to Maintenance Release 1.1
Provisionable Parameters
The following tokens are involved in KA process:
•
In the mgw-profile table:
–
keepalive-method (default = AUEP)
–
mgcp-keepalive-retries (default = 3)
–
mgcp-max1-retries (default = 2)
–
mgcp-max2-retries (default = 3)
–
mgcp-keepalive-interval (default = 60 seconds)
–
mgcp-max-keepalive-interval (default = 600 seconds)
–
mgcp-t-tran (default = 400 milliseconds)
•
In the call-agent table:
–
mgw-monitoring-enabled (default=Y)
•
In the ca-config table:
–
mgcp-t-max (default = 20 seconds)
–
mgcp-t-hist (default = 30 seconds)
–
mgcp-rto-max (default = 4 seconds)
The system behavior described in this document assumes that all of the tokens in the above list are set
to their default values. This has the following effect:
•
Enabling the KA process—Using the default values of
mgw-monitoring-enabled
(Y) and
keepalive-method
(AUEP) enables the sending of AUEP messages from the BTS 10200 to the
MGW.
Note
We recommend that you keep these tokens set to their default values (which enables the KA process)
unless you have some other method of determining MGW connectivity status.
•
Tuning the KA process—The other mgw-profile tokens in the above list have numerical values, and
the default values typically work well for most systems. The interaction among these tokens is
described in this document. We do not recommend that you modify these values unless you
experience problems with bandwidth, reliability, or response times in your network.
Caution
Before modifying any of these numerical values (using values different than the factory default settings),
thoroughly read and understand the contents of this document. If you have questions, contact your Cisco
account team or Cisco TAC.
