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Cisco Bug: CSCuj65753 - Crash at 'rtree_lock_subtree' while trying to clear NAT entries

Last Modified

Jul 25, 2018

Products (103)

  • Cisco IOS
  • Cisco 1905 Serial Integrated Services Router
  • Cisco 2951 Integrated Services Router
  • Cisco AS5400XM Universal Gateway
  • Cisco 888W Integrated Services Router
  • Cisco 881SRSTW Integrated Services Router
  • Cisco 892W Integrated Services Router
  • Cisco 886VA-CUBE Integrated Services Router
  • Cisco VG204 Analog Voice Gateway
  • Cisco 1803 Integrated Services Router
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Known Affected Releases


Description (partial)

Router may crash on NAT NVI entry removal.

Cisco router with NAT NVI and static NAT entries configured. While trying to clear a static NAT NVI entry, we may see %ALIGN-1-FATAL errors preceding the crash.This happens VRF list manipulation, like addind and removing new VRF with NAT NVI enabled.
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