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Cisco Bug: CSCuo51445 - GETVPN GDOI Rekey Event Trace information incorrect issues

Last Modified

Oct 14, 2019

Products (16)

  • Cisco IOS
  • Cisco ASR 901-6CZ-F-D Router
  • Cisco ASR 901S-4SG-F-D Router
  • Cisco ME 3600X-24TS-M Switch
  • Cisco ASR 901-4C-FT-D Router
  • Cisco ASR 901-6CZ-F-A Router
  • Cisco ASR 901S-2SG-F-D Router
  • Cisco ASR 901-6CZ-FT-A Router
  • Cisco ASR 901-12C-FT-D Router
  • Cisco ASR 901-6CZ-FT-D Router
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Known Affected Releases

15.4(1)S

Description (partial)

Symptom:
With a GETVPN Key Server (KS) and Group Member (GM) configured with either unicast or multicast rekey, there are multiple issues with the event trace when a rekey is sent which may cause confusion:

1. The order of REKEY_RCVD and ACK_SENT events (GDOI_REKEY_EVENT) on the GM is out of order, with ACK_SENT appearing before REKEY_RCVD
2. The IP address of source and destination for REKEY_SENT on the KS showed up as 0.0.0.0
3. The seq no for ACK_RCVD on the KS showed up as either 0 or very large (garbage) number.

Conditions:
Standard GETVPN deployment with a Key Server and Group Member and either unicast or multicast rekey configured. Event tracing is enabled and a rekey is sent.
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