【多选题】
A Remove the crypto map and modify the ACL to allow traffc between 10.10.0.0/24 to 10.20.0.0/24.
B Create an IPsec profile, associate the transform-set ACL, and apply the profile to the tunnel interface.
C Apply the crypto map to the tunnel interface and change the tunnel mode to tunnel mode ipsec ipv4
D Remove all configuration related to crypto map from R1 and R2 and eliminate the ACL
E Create an IPsec profile, associate the transform-set, and apply the profile to the tunnel interface.
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