Cisco DNCS System Release 2.8.1 3.8.1 4.3.1 User Guide
Schedule Service Updates
Quick Path: DNCS Administrative Console > Application Interface Modules tab > SAM Config
In addition to various other functions, the SAM also communicates service operation attributes to the DHCTs in
the network on a regular basis. The frequency of this communication is determined by the SAM Update Timer.
The default is 1200 seconds (20 minutes).
the network on a regular basis. The frequency of this communication is determined by the SAM Update Timer.
The default is 1200 seconds (20 minutes).
You can adjust how many seconds the DNCS waits after you make changes to the SAM or to a channel map
before the DNCS generates new SAM files to be broadcast to DHCTs. Adjusting this schedule is useful in various
situations.
before the DNCS generates new SAM files to be broadcast to DHCTs. Adjusting this schedule is useful in various
situations.
For example, if you perform frequent single service channel updates, then a short timer (60 seconds) is useful.
On the other hand, if you are making many updates that take a long time to enter, a longer timer (5 minutes) is
useful.
On the other hand, if you are making many updates that take a long time to enter, a longer timer (5 minutes) is
useful.
Before You Begin
Before you change the SAM Update Timer setting, consult with your system administrator. Also, keep in mind
that the delay time between updates should be at least 30 seconds to allow the system enough time to fully
process each update.
that the delay time between updates should be at least 30 seconds to allow the system enough time to fully
process each update.
Time To Complete
Changing the SAM Update Timer setting takes approximately 10 minutes to complete.
Performance Impact
Changing the SAM Update Timer setting does not impact network performance. You can complete this procedure
at any time.
at any time.
Scheduling Service Updates
1.
On the DNCS Administrative Console, click the Application Interface Modules tab.
2.
Click SAM Config. The SAM Configuration window opens.
3.
Click in the Update Timer field and enter how many seconds the DNCS should wait after you make
changes to the SAM or to a channel map before generating new SAM files to broadcast to the DHCTs in
your network. This value should be at least 30 seconds.
your network. This value should be at least 30 seconds.
4.
Click in the Schedule Timer field and enter a value that is at least two times the Update Timer value.
The Schedule Timer is a fail-safe mechanism to ensure DHCTs get updated on a regular basis. The
Schedule Timer checks the SAM database to see if there have been any changes since the last update. If
so, the system generates new SAM files and broadcasts them.
Schedule Timer checks the SAM database to see if there have been any changes since the last update. If
so, the system generates new SAM files and broadcasts them.
5.
Click Save. The system saves these settings in the DNCS database and reconfigures the SAM to send
broadcast service updates accordingly.
6.
Click Done to close the SAM Configuration window and return to the DNCS Administrative Console.
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