A.IPsec site-to-site VPN B.Cisco AutoSecure C.Cisco IOS Firewall D.IPS
A.A request made by a node for the IP address of the local router B.A request made by a node to join a specified multicast group C.A request made by a node for a DHCP provided IP address D.A request made by a node for the IP address of the DHCP server
A.2031:0:130F:0:0:09C0:876A:130B B.2031::130F::9C0:876A:130B C.2031:0:130F::9C0:876A:130B D.2031:0:130F:0:0:9C0:876A:130B