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Instability issues in VPN Tunnel with Cisco using IKEv2
Symptoms
  • Instability issues in VPN Tunnel with Cisco using IKEv2.
  • VPND crashes with core dump files during IKEv2 logs creation.
  • $FWDIR/log/vpnd.elg file on Check Point Security Gateway shows: 
    [ikev2] Message::decodeAllPayloads: payload 8: Notify (next=Notify)
[ikev2] NotifyPayload::Decode: Notify payload (type 16384) has no data
[ikev2] Message::decodeAllPayloads: payload 9: Notify (next=Notify)
[ikev2] Message::decodeAllPayloads: payload 10: Notify (next=Notify)
[ikev2] NotifyPayload::Decode: Notify payload (type 16394) has no data
[ikev2] Message::decodeAllPayloads: payload 11: Notify (next=None)
[ikev2] NotifyPayload::Decode: Notify payload (type 16395) has no data
[ikev2] ikev2_id_data_str: ID data type: 1
Cause

The Cisco peer is sending information bigger than the Check Point's buffer, causing the VPND to crash.


Solution
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