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Cisco Bug: CSCvt43995 - Client MAC address is learned from controller interface in SDA fabric

Last Modified

Aug 21, 2020

Products (1)

  • Cisco Aironet 1850 Series Access Points

Known Affected Releases

8.8(128.39)

Description (partial)

Symptom:
In SDA environment where AireOS WLC is directly connected to collocated Border, Control Plane and Edge, wireless client mac entry is learnt against WLC and Access-tunnel both which causes DHCP issues for wireless client.

Conditions:
2800/3800 APs may leak IPv6 NS packets natively which should be avoided. Issue will only be hit to SDA customers in specific above mentioned topology
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