In the direct forwarding mode of the WLAN network, after the user roams, the ARP entry of the access device connected to the AP does not age out in time, which will cause a short interruption of the user service. To solve this problem, which of the following commands should the engineer configure?

In the direct forwarding mode of the WLAN network, after the user roams, the ARP entry of the access device connected to the AP does not age out in time, which will cause a short interruption of the user service. To solve this problem, which of the following commands should the engineer configure?
A . <WAC>system-view
[WAC] wlan
[WAC-wlan-view] ap-group name default
[WAC-wlan-vap-group-default] undo learn-client-address ipv4 disable
[WAC-wlan-vap-prof-default] quit
B. <TAC>system view
[WAC] wlan
[WAC-wlan-view] vap-profile name default
[WAC-wlan-vap-prof-default] learn-client-address ipv4 disable
[WAC-wlan-vap-prof-default] quit
C. <WAC>system-view
[WAC] wlan
[WAC-wlan-view] vap-profile name default
[WAC-wlan-vap-prof-default] undo learn-client-address ipv4 disable
[WAC-wlan-vap-prof-default] quit
D. <WAC>system-view
[WAC] wlan
[WAC-wlan-view] ap-group name default
[WAC-wlan-vap-prof-default] undo learn-client-address ipv4 disable
[WAC-wlan-vap-prof-default] quit