Answer Posted / jitendera sinha

In tunnel mode, the entire IP packet (data and IP header) is
encrypted and/or authenticated. It is then encapsulated into
a new IP packet with a new IP header. Tunnel mode is used to
create Virtual Private Networks for network-to-network
communications (e.g. between routers to link sites),
host-to-network communications (e.g. remote user access),
and host-to-host communications (e.g. private chat).

and the parameter are

Parameter Value
Name <Descriptive name for the tunnel>
VPN Policy <VPN policy that the tunnel should use>

This must match the policy on the other gateway
Local Endpoint <Local network entity that the tunnel
connects> This is usually a subnet entity.
Remote Endpoint <Remote network entity that the
tunnel connects> This is usually a subnet entity
Local Gateway <Local security gateway network entity>
Remote Gateway <Remote security gateway network entity>

i donot know more than that how ever plz tell me that.. is
that topic in the ccna course

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