Cisco Systems 4039760, EPC3827 Select the desired option, IP Addr., Any, or FQDN. If the remote

	How Do I Configure My DOCSIS Residential Gateway?
Section	Field Description
Remote Secure	Select the desired option, IP Addr., Any, or FQDN. If the remote
Gateway	gateway has a dynamic IP address, select Any or FQDN. If Any is
	selected, then the Gateway will accept requests from any IP address.
	FQDN
	If FQDN is selected, enter the domain name of the remote gateway,
	so the Gateway can locate a current IP address using DDNS
	IP
	The IP address in this field must match the public (WAN or Internet)
	IP address of the remote gateway at the other end of this tunnel
Key Management	Key Exchange Method
	The gateway supports both automatic and manual key
	management. When automatic key management is selected, Internet
	Key Exchange (IKE) protocols are used to negotiate key material for
	Security Association (SA). If manual key management is selected, no
	key negotiation is needed. Basically, manual key management is
	used in small static environments or for troubleshooting purposes.
	Note that both sides must use the same key management method.

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