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Home > Success Center > User Device Tracker (UDT) > UDT Administrator Guide > Manage the Orion Web Console > Handle counter rollovers

Handle counter rollovers

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Created by Steven Bansil, last modified by Steven Bansil on Jan 23, 2017

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The Counter Rollover setting configures SolarWinds UDT to properly handle counter rollovers. SolarWinds UDT is capable of handling either 32-bit or 64-bit counters, but, by default, SolarWinds UDT assumes counters are 32-bit. 32-bit counters have a maximum value of 232, or 4,294,967,296, and 64-bit counters, if they are supported by your network devices, have a maximum value of 264, or 18,446,744,073,709,551,616.

The 32-bit counters option is designated as Method 1 in the Counter Rollover field on the Polling Settings page.

The following procedure designates the type of counter-handling used by SolarWinds UDT:

  1. Log in to the Web Console as an administrator.
  2. Go to Settings and then click Polling Settings.
  3. If you are using 64-bit counters, select Method 2 in the Counter Rollover field in the Calculations & Thresholds area.

    • If Method 2 is selected, SolarWinds UDT skips a poll if a polled value is less than the previous polled value to permit counting to 264.
    • Orion Platform supports the use of 64-bit counters. However, these 64-bit counters can exhibit erratic behavior in some implementations. If you notice peculiar results when using these counters, disable the use of 64-bit counters for the problem device and contact the device manufacturer.
  4. If you are usingof 32bit counters, select Method 1 in the Counter Rollover field in the Calculations & Thresholds area. Please note that if Method 1 is selected, when a rollover is detected, the time between polls is calculated as (232 - Last Polled Value) + Current Polled Value.
Last modified
00:26, 23 Jan 2017