Security Appliance supports the following four ways to enable IP Routing:
Static and default routes
OSPF
RIP
EIGRP
Tip
Security Appliance supports up to three equal cost routes on the same interface for load balancing.
Static and Default Routes
The simplest option is to use static or default route(s) to forward the packets. A default route forwards all traffic
for which no route is found in the routing table to the gateway address. In contrast, a static route forwards
traffic for specified destination networks to the next-hop connected device that is specific in the route
statement. No route is required for directly connected networks on the Security Appliance.
Static or default routes are required in transparent mode to forward traffic that originates on the Security
Appliance destined for nonconnected networks.
Static Route
As the name implies, a static route provides IP routing information to the Security Appliance without the need of
dynamic routing protocol. A static route has a higher precedence over any dynamic routing protocol and is
always the best preference to forward traffic to the desired destination. The default administrative distance for a
static route is 1, giving it precedence over other routes discovered by dynamic routing protocols, but not
directly connected routes.
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