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Cisco Bug: CSCvt65197 - vEdge SDWAN IPsec tunnel flapping due IKE packet drops

Last Modified

Oct 06, 2020

Products (2)

  • Cisco vEdge Router
  • Cisco vEdge Router Model

Known Affected Releases

18.4.4 18.4.5 20.1.0

Description (partial)

Symptom:
IPsec Tunnels flap
Occurs Prior get a drop message:
EXAMPLE - kern.info: Mar 30 04:31:57 Pittsburgh-V01 kernel: "iptables-dropped:"IN=ge0_4 OUT= MAC=80:b7:09:18:8a:14:78:02:b1:8b:df:41:08:00 SRC=104.129.196.33 DST=134.6.186.130 LEN=108 TOS=0x08 PREC=0x40 TTL=52 ID=45477 PROTO=UDP SPT=4500 DPT=4500 LEN=88

Conditions:
Version 18.4.4, 18.4.5
Version 19.2.1, 19.2.2
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Bug Details Include

  • Full Description (including symptoms, conditions and workarounds)
  • Status
  • Severity
  • Known Fixed Releases
  • Related Community Discussions
  • Number of Related Support Cases
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