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Cisco Bug: CSCus74073 - MACsec causing blackhole

Last Modified

Feb 12, 2018

Products (1)

  • Cisco IOS

Known Affected Releases

15.0(2)XO(900.19)

Description (partial)

Symptom:
MACsec working fine after applying following config on both switches:

cts manual
  no propagate sgt
  sap pmk 0000000000000000000000000000000000000000000000000000000000ABC123 mode-list gcm-encrypt

but once we will remove it (no cts manual), link is up/up, but no traffic coming across link.

Conditions:
WS-C3560X-24P-L (150-2.SE7) -- C3KX-SM-10G (03.00.78) ---- CWDM-SFP-1570 < -------MACsec------- > CWDM-SFP-1570 --- C3KX-SM-10G (03.00.78) --- WS-C3560X-24P-L (150-2.SE7)
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Bug Details Include

  • Full Description (including symptoms, conditions and workarounds)
  • Status
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  • Known Fixed Releases
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