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Cisco Bug: CSCvs36803 - When port security applied mac address not learned on hardware

Last Modified

Sep 01, 2020

Products (29)

  • Cisco Catalyst 9300 Series Switches
  • Cisco Catalyst 9300-48UN-A Switch
  • Cisco Catalyst 9300-48T-A Switch
  • Cisco Catalyst 9300-48U-A Switch
  • Cisco Catalyst 9300-48UXM-A Switch
  • Cisco Catalyst 9300-48P-A Switch
  • Cisco Catalyst C9500-16X-E Switch
  • Cisco Catalyst C9500-40X-A Switch
  • Cisco Catalyst 9300-24T-A Switch
  • Cisco Catalyst C9500-24Q-A Switch
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Known Affected Releases

16.12.1

Description (partial)

Symptom:
The Mac is seen on the interface:
show mac add intf X

and not seen on 
#show plat hardware fed switch standby matm macTable vlan x mac xxxxx
Total Mac number of addresses:: 0

#show plat software fed switch standby matm macTable vlan x mac xxxx
Total Mac number of addresses:: 0

Conditions:
When port-security enabled on interface and running 16.12.01 release.
Additional conditions under investigations.
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Bug Details Include

  • Full Description (including symptoms, conditions and workarounds)
  • Status
  • Severity
  • Known Fixed Releases
  • Related Community Discussions
  • Number of Related Support Cases
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