When troubleshooting site-to-site IPsec VPN on Cisco routers, you see this console message:
%CRYPTO-6-IKMP_SA_NOT_OFFERED: Remote peer %15i responded with attribute [chars] not offered or changed
Which configuration should you verify?
A.
the crypto ACL
B.
the crypto map
C.
the IPsec transform set
D.
the ISAKMP policies
E.
the pre-shared key
F.
the DH group