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QAT acceleration not working for IPSec AES-128 (CBC) / SHA256 tunnel
Open, Requires assessmentPublicBUG


Despite enabling system acceleration qat in the configuration, the Quick Assist co-processor is not in use in a site to site IPSec tunnel—only the CPU is used (with AES-NI).

show system acceleration qat flows are empty. QAT device starts correctly.

Tested on Atom C3758


Difficulty level
Unknown (require assessment)
Why the issue appeared?
Will be filled on close
Is it a breaking change?
Unspecified (possibly destroys the router)