Netgear XCM8810 - 8800 SERIES 10-SLOT CHASSIS SWITCH ユーザーズマニュアル

14.   

Routing Policies

This chapter includes the following sections: 

•     Overview 

•     Routing Policy File Syntax 

•     Applying Routing Policies 

•     Policy Examples 

Overview

Routing policies are used to control the advertisement or recognition of routes communicated by 
routing protocols, such as Routing Information Protocol (RIP), Open Shortest Path First (OSPF), 
and Border Gateway Protocol (BGP). Routing policies can be used to “hide” entire networks or to 
trust only specific sources for routes or ranges of routes. The capabilities of routing policies are 
specific to the type of routing protocol involved, but these policies are sometimes more efficient 
and easier to implement than access lists.

Routing policies can also modify and filter routing information received and advertised by a 
switch.

A similar type of policy is an ACL policy, used to control, at the hardware level, the packets 
accessing the switch. ACL policy files and routing policy files are both handled by the policy 
manager and the syntax for both types of files is checked by the policy manager.

Although XCM8800 does not prohibit mixing ACL and routing type 

entries in a policy file, it is strongly recommended that you do not 
mix the entries, and you use separate policy files for ACL and 
routing policies.

Routing Policy File Syntax

A routing policy file contains one or more policy rule entries. Each routing policy entry 
consists of: