6
2.5 Network Connection
SSL VPN Tunnel
Modem
ADSL
PC
SG-4800
Vendor
Headquarters
Action Office
Branch Offices
Mail-Server
Web-Server
DMZ
Access Point
Firewall Gateway
Firewall Gateway
Modem
Modem
Modem
PC
PC Group
PC
PC
Laptop
Firewall
Firewall
ADSL
ADSL
a/n
PPTP VPN Tunnel
IPSec VPN Tunnel
IPSec VPN Tunnel
ADSL 2/2+
ADSL
VDSL2
VDSL2
100Base-TX UTP
1000Base-T UTP
5GHz 802.11a/n
a/n
VDSL2
VDSL2
Action Office
Internet
Finance-Server
Figure 2-2
Topology of the SG-4800
