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Cisco Bug: CSCuo82943 - DMVPN: Leak observed in SADB Peering Chunk

Last Modified

Aug 02, 2020

Products (17)

  • Cisco IOS
  • Cisco ASR 901-6CZ-F-D Router
  • Cisco ASR 901-4C-FT-D Router
  • Cisco ME 3600X-24TS-M Switch
  • Cisco ASR 901-6CZ-F-A Router
  • Cisco ASR 901-6CZ-FT-A Router
  • Cisco ASR 901-12C-FT-D Router
  • Cisco ASR 901-4C-F-D Router
  • Cisco 7600 Series Route Switch Processor 720 with Multilayer Switch Feature Card
  • Cisco ME 3600X-24FS-M Switch
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Known Affected Releases

15.3(3)S

Description (partial)

Symptom:
On a Cisco IOS device configured for DMVPN and IPSec, a leak in the "Chunk Manager" process may be observed.

In the output of 'show memory allocating-process totals' or 'show memory summary', this is seen to be due to to "SADB Peering Ch[unk]".

Over time, this may result in depletion of available memory on the device, and can also lead to crashes.

Conditions:
This is observed when DMVPN and crypto (IPSec) are configured. The leak occurs when a peer changes state from up to down.
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Bug Details Include

  • Full Description (including symptoms, conditions and workarounds)
  • Status
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