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Cisco Bug: CSCvd82211 - IPsec/IKEv2 Installation Sometimes Fails With Simultaneous Negotiations

Last Modified

May 29, 2020

Products (1)

  • Cisco IOS

Known Affected Releases


Description (partial)

-IPsec SA installation may fail if both VPN endpoints initiate an IKEv2 negotiation within a short time frame
-IKEv2 debugs seem to show a successful negotiation, but the IPsec SA creation/installation into hardware fails:

Mar 17 17:25:32.321: IKEv2:(SA ID = 5):[IPsec -> IKEv2] Creation of IPsec SA into IPsec database FAILED
Mar 17 17:25:32.328: IPSEC:(SESSION ID = 263) (cleanup_tun_decap_oce) unlock and null out Tunnel100 tun_decap_oce 7F282D98A8B0 from ident 7F28253801B8
Mar 17 17:25:32.329: IKEv2-ERROR:(SESSION ID = 263,SA ID = 5):: Creation/Installation of IPsec SA into IPsec DB failed

-IPsec configuration with IKEv2
-DMVPN may be a factor
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