Routing Table Entries Overview - Juniper NETWORK AND SECURITY MANAGER 2010.4 - CONFIGURING SCREENOS DEVICES GUIDE REV 01 Manual
Configuring screenos devices guide
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Routing Table Entries Overview
Copyright © 2010, Juniper Networks, Inc.
In the virtual router navigation tree, select Route Map, and then click the Add icon
in the main display area.
For Name, enter from-ospf-trust.
In the Route Map Entry area, click the Add icon. The New Route-Map Entry dialog box
5.
appears.
For Sequence Number, enter 10.
For Action, select permit.
In the Match Properties area, in the Route Type table, select Internal OSPF.
Click OK to save the new route map entry, and then click OK again to save the route
6.
map.
Click OK to save your changes to the virtual router, and then click OK again to save
7.
your changes to the device configuration.
Configuring Virtual Routers Overview on page 294
Virtual Routers Overview on page 296
Virtual Router General Properties Overview on page 297
Access List Overview on page 298
Route Maps Overview on page 300
Export and Import Rules in a Virtual Router Overview on page 302
Example: Configuring Access Lists (NSM Procedure) on page 299
Typically, routers are attached to multiple networks and are responsible for directing
traffic across these networks. Each router maintains a routing table, which is a list of
known networks and directions on how to reach them. While processing an incoming
packet on a security device, the router performs a routing table lookup to find the
appropriate interface that leads to the destination address.
Each entry in a routing table—called a route entry or route—is identified by the destination
network to which traffic can be forwarded. The destination network, in the form of an IP
address and netmask, can be an IP network, subnetwork, supernet, or a host. Routing
table entries can originate from the following sources:
Directly connected networks (the destination network is the IP address that you assign
to an interface in Route mode)
Dynamic routing protocols, such as OSPF, BGP, or RIP
Routes that are imported from other routers or virtual routers
Statically configured routes
Chapter 10: Routing
305
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