CHAPTER 11: Using Virtual Private Networks (VPN)
324 Vcontroller
A more efficient way to manage a complex corporate VPN
with numbers of sites and remote users is to use a hub-and-
spoke configuration, in which all branch offices connect to
corporate headquarters (or any centralized site) with a sin-
gle VPN tunnel. All communications between branch
offices pass through the designated central site. Remote
users, too, can dial into headquarters to access branch
offices without the need to establish additional VPN tun-
nels. This topology, shown in the following figure, dramat-
ically reduces the effort of managing a VPN.
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