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Cisco Bug: CSCuj23318 - ASA 9.1 enabling IKE on one interface reserves UDP 500 on ALL interfaces

Last Modified

Apr 16, 2020

Products (2)

  • Cisco ASA 5500-X Series Firewalls
  • Cisco ASA 5580 Adaptive Security Appliance

Known Affected Releases

8.0 9.1(2.8)

Description (partial)

When enabling IKE on an interface the command is rejected with error message "ERROR: IkeReceiverInit, unable to bind to port"

-- ASA configured with static PAT statement forwarding UDP port 500 to internal host.
-- IKE is being enabled on a different interface than the one used in Static PAT with UDP 500.
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