
•17 | Alcatel-Lucent Enterprise Forum 2009
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Secure Corporate Communication
OA 5510 USG
OA 5740 USG
ISP #1
OA 5510 USG
Branch Office
OA 5740 USG
ISP #2
ISP #1
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OA 5780 USG
IPSec VPN tunnel
IPSec tunnels are configured at each
branch location to build an Enterprise
VPN over the Internet
Each location connects to the Internet
via closest/cheapest Service Provider
Primary
Secondary
Embedded Firewall
Remote office location connects to the local
Internet Service Provider for browsing only
and establishes VPN connection for having
communication with Enterprises
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Intrusion Detection & Prevention (IDS/IPS)
•IDS/IPS protection can be placed on each
interface.
•Less network downtime since IPS is
dropping bad packets conserving bandwidth.
•Productivity is increased because
computers are protected
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