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Cisco Bug: CSCvt49289 - CAT 4500 not able to stablish macsec tunnel with CAT 9500 (stays on INIT state)

Last Modified

Jul 10, 2020

Products (1)

  • Cisco Catalyst 4000 Series Switches

Known Affected Releases

3.10(1)

Description (partial)

Symptom:
-MACSEC tunnel between Cat4500 running 03.11.01 and Cat9500 running 16.12.02 with MKA manual mode stays on initializing mode showing error:
MKA-LLI-MKPDU: Received CKN length (2 bytes) is not supported

Conditions:
-CAT 4500  Version 03.11.01.E RELEASE SOFTWARE (fc4)
-CAT 9500  Version 16.12.02, RELEASE SOFTWARE (fc2)
-MACSEC tunnel switch to switch with MKA Manual mode
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