Point-to-Point Protocol over Ethernet and the Security Appliance
Many Internet service providers (ISPs) deploy PPPoE because it provides high-speed
broadband access using their existing remote access infrastructure. PPPoE is also easy for
customers to use.
Figure 14-13 depicts a typical PPPoE network configuration that uses a Security Appliance
to secure a low-cost always-on Internet connection. The Security Appliance can secure
various broadband connections including the following:
¦ Digital Subscriber Line (DSL)
¦ Cable modem
¦ Fixed wireless