Intranet
Click on the red underlined text to get to the source
... IPsec, a useful application is to
connect a remote host to a corporate intranet via a security gateway,
using IPsec ...
... All the traffic between the remote host and the intranet will be
carried over the IPsec tunnel ...
... and static addressing. The mechanisms for auto-configuration of the
intranet are also standardized. It is also assumed that the remote
host has knowledge of the location of the security gateway. This can
...
... interface), and 2) a virtual interface to connect to the
intranet (intranet interface). The IP address ...
... IP address of the Internet and
intranet interfaces are used in the outer and inner headers of the
...
... DHCP conversation completes, the remote host's
intranet interface obtains an IP address as well as other
...
... At the end of the last step, the remote host is ready to communicate
with the intranet using an IPsec tunnel. All the IP traffic ...
... DHCPv4 messages) between the remote host and the
intranet are now tunneled over this IPsec tunnel mode SA.
...
...
In order to deliver the DHCPDISCOVER packet from the intranet
interface to the security gateway ...
... interface has received the DHCPOFFER message, it
forwards this to the intranet interface after IPsec processing. The
...
... interface after IPsec processing. The
intranet interface then responds by creating a DHCPREQUEST message,
...