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Note
titleSonus SBC 1000/2000 Model Differences

If the 

Spacevars
0product
is rebooted during an Active Directory Server outage, it will use its local AD cache for call routing purposes (post power up) if:

  • Sonus SBC 1000: an external USB storage drive is attached to the Sonus SBC 1000 main board. Without it, the local AD cache is purged between system reboots (and upgrades). In order to achieve a high level of resiliency, we recommend attaching an external USB drive to your Sonus SBC 1000 unit.
  • Sonus SBC 2000: Unlike the Sonus SBC 1000, the Sonus SBC 2000 model has built-in storage with reserved space for the Local AD cache to overcome this situation. No external storage is necessary.

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Tip
titleTips on Active Directory Cache Size

The total size for the Active Directory cache is 20MB20 MiB. Here's a quick calculation showing how the cache memory is utilized:

Section
Column
width500px

Number of Records to cache

100,000

Number of Attributes per record

4

Number of bytes per attribute

50

Total cache size

100,000 * 4 * 50 = 20MB 20 MiB (approx)

Column
 

Note: The maximum cache size is 25 MBMiB. The database pointer information consumes a small portion of the memory, thus the cache capacity will be slightly less than calculation above.

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