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Cisco Bug: CSCuj19201 - TBAR Refresh Causes Re-registration Time Re-calculation on GMs

Last Modified

Apr 18, 2019

Products (87)

  • Cisco IOS
  • Cisco 881SRSTW Integrated Services Router
  • Cisco 819 Hardened Integrated Services Router
  • Cisco 886VA-CUBE Integrated Services Router
  • Cisco 888W Integrated Services Router
  • Cisco 2951 Integrated Services Router
  • Cisco C897VA Integrated Services Router
  • Cisco 886VAG 3G Integrated Services Router
  • Cisco 812 CiFi Integrated Services Router
  • Cisco 892W Integrated Services Router
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Known Affected Releases

15.2(4)M2

Description (partial)

Symptom:
Re-registration time is recalculated on GM nodes upon receiving a TBAR rekey, based on the remaining TEK lifetime at the time of the TBAR rekey. 

This effectively causes a much-shorter re-registration window compared to the one obtained at the GM registration, even if the original TEK lifetime was 
configured with a long value.

Conditions:
This symptom is observed when TBAR is configured and long TEK lifetime used (more than 7200 seconds).
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Bug Details Include

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