which option must you choose if you want to rebuild your VPN for a specific IP (gateway)?

When using vpn tu, which option must you choose if you want to rebuild your VPN for a specific IP (gateway)?

A.
(6) Delete all IPsec SAs for a given User (Client)

B.
(7) Delete all IPsec+IKE SAs for a given peer (GW)

C.
(8) Delete all IPsec+IKE SAs for a given User (Client)

D.
(5) Delete all IPsec SAs for a given peer (GW)

Explanation: