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User Guide for Cisco Security Manager 4.4
OL-28826-01
Chapter 64 Configuring Routing Policies
Static Routing Policy Page
Field Reference
Table 64-26 Static Routing Dialog Box
Element Description
Destination Network Address information for the destination network defined by this static
route.
• Use as Default Route—When selected, makes this the default route
on this router. A default route is used when the route from a source
to a destination is unknown or when it is not feasible for the router
to maintain many routes in its routing table. All unknown outbound
packets are forwarded over the default route.
When deselected, this static route is not the default route.
• Prefix—The IP address of the destination network. Enter an IP
address or the name of a network/host object, or click Select to
select the object from a list or to create a new one.
The prefix must be a class A, B, or C network or host IP. A host IP
can begin with 0 unless it contains a discontiguous mask. All
subnet addresses are valid.
Forwarding (Next Hop) The method of forwarding data to the destination network:
• Forwarding Interface—The router interface that forwards packets
to the remote network. Enter the name of an interface or interface
role, or click Select to select the object from a list or to create a new
one.
• Forwarding IP—The IP address of the next hop router that receives
and forwards packets to the remote network. Enter an IP address or
the name of a network/host object, or click Select to select the
object from a list or to create a new one.
Distance Metric The number of hops to the destination network (gateway IP). The
default is 1 if no value is specified. The range is from 1 to 255.
This metric (also known as administrative distance) is a measurement
of route expense based on the number of hops to the network on which
a specified host resides. This hop count includes all the networks a
packet must traverse, including the destination network. Therefore, all
directly connected networks have a metric of 1.
Because the metric is based on expense, it is used to identify the priority
of the static route. If two routing entries specify the same network, the
route with the lower metric value (that is, the lower cost) is given a
higher priority and is selected.
Note Under certain circumstances, it is useful to assign a static route
a lower priority (larger distance metric) than a dynamic route.
This enables the static route to act as a backup, “floating,” route
when the dynamic route is unavailable.
Permanent route When selected, prevents this static route entry from being deleted, even
in cases where the interface is shut down or the router cannot
communicate with the next router.
When deselected, this static route can be deleted.