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Cisco Bug: CSCvv23306 - IOS-XE ipsec EULA prompt may block crypto process indefinitely

Last Modified

Aug 31, 2020

Products (1)

  • Cisco ASR 1000 Series Aggregation Services Routers

Known Affected Releases

16.9.5

Description (partial)

Symptom:
IPSec EULA prompt may block crypto process indefinitely preventing features such as "tunnel protection" to work.

When the tunnel protection is applied no crypto debugs (debug crypto isakmp/ikev2) will be seen. Also in "show ip socket" we will not see the device listening on ports udp/500 and udp/4500.

The "show license detail" for ipsec license will show "Active, Not in Use".

Conditions:
The process will get stuck if the console session is terminated (closed) at ipsec EULA yes/no prompt. The prompt gets displayed on console when tunnel protection is applied for the first time.
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