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Cisco Bug: CSCvv74634 - WLC DHCP doesn't clear client dhcpServer when mapped to a dirty interface in interface group

Last Modified

Oct 01, 2020

Products (1)

  • Cisco 5500 Series Wireless Controllers

Known Affected Releases

8.8(130.0)

Description (partial)

Symptom:
When a client associates to a WLAN mapped to interface group and his original interface gets marked as dirty it s expected that client gets mapped a new interface from the interface group, however WLC DHCP proxy sometimes doesn't update client interface VLAN to the new one and keeps using original interface  which is marked dirty

Conditions:
- Interface group is assigned by aaa-override
- Seen with aggressive DHCP mode
- Client is mapped originally to a dirty interface from interface group.
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