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Cisco Bug: CSCvt72817 - ENH - Trailblazer Host Mapping verification after significant Network changes

Last Modified

Apr 08, 2020

Products (1)

  • Cisco Email Security Appliance

Known Affected Releases

13.0.0-392

Description (partial)

Symptom:
Trailblazer needs a DNS server to resolve the hostname of the appliance. Once it is resolved the AsyncOS maps the name to the memory of the process. 

If changes are done in the DNS configuration when Trailblazer (Nginx) running, the service will remain up until the next appliance reboot or service restart.

If the configuration is not the right, then the service will not come up after the next reboot.

Conditions:
- Trailblazer is up and running

- DNS server able to resolve the hostname of the appliance is removed from the list and changes have been submitted and committed.
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