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Cisco Bug: CSCum20647 - GETVPN %SYS-2-NULLCHUNK Traceback when Removing Group on KS

Last Modified

Oct 14, 2019

Products (21)

  • Cisco IOS
  • Cisco ASR 901-6CZ-F-D Router
  • Cisco ASR 901-6CZ-FS-D Router
  • Cisco ASR 901S-4SG-F-D Router
  • Cisco ASR 901-4C-FT-D Router
  • Cisco ME 3600X-24TS-M Switch
  • Cisco ASR 901S-2SG-F-AH Router
  • Cisco ASR 901S-2SG-F-D Router
  • Cisco ASR 901-6CZ-F-A Router
  • Cisco ASR 901-6CZ-FT-A Router
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Known Affected Releases

15.4(1.15)S 15.4(1.16)S0.10 15.4(1.16)S0.12 15.4(1.16)S0.5 15.4(2)S 15.4(2.13)S 15.4(2.2)T 15.4(2.5)S 15.4(2.9)S

Description (partial)

Syslog %SYS-2-NULLCHUNK with traceback seen on a GETVPN Key Server (KS) using COOP redundancy when removing a GETVPN group.

%SYS-2-NULLCHUNK: Chunk destroy operation on Null Chunk -Process= "Exec"

GETVPN Key Server (KS) is configured using COOP redundancy and the GETVPN group is removed, causing a %SYS-2-NULLCHUNK with traceback to be seen.
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