Specifications

Advanced Deployment Options
3-15
Failover Deployment Scenario
To achieve such a function, deploy two InterScan appliances between two load-bal-
ancing devices, as shown in figure 3-10.
FIGURE 3-10. Two InterScan appliances arranged in a link state failover
deployment
Internet
Layer 4 network switch
Firewall
Mail server
HTTP server
FTP server
Client computers in your network
LAN switch, router, or hub
Network switch or router
(load balancer) #1
Layer 4 network switch
(load balancer) #2
InterScan
appliance
A
InterScan
appliance
B