Bgp route mapping rules, Action, Route – Compatible Systems 5.4 User Manual

Page 277

Advertising
background image

Chapter 16 - BGP

271

The New button brings up a dialog box which asks you to name the new
route map, then creates a blank editor window and selects the new name
in the Current Route Map pull-down menu. Names can be up to 16
characters long.

Enter Data Dialog Box

The Rename button lets you change the name of the route map you are
currently editing.

The Delete button deletes the route map which is currently selected in the
Current Route Map pull-down menu.

BGP Route Mapping Rules

At a minimum, every line in a route map must include an Action, a Route,
and a Direction. Together, these components, along with optional input and
output modifiers, specify a rule that the router will follow when a route meets
the condition of the rule.

v Note: No input routes will be accepted by the router unless a BGP route
map or IP route filter has been defined. To allow all other network numbers
not filtered, include the following rule:

permit 0.0.0.0

Action

These parameters specify the action to be taken when a route meets the condi-
tion of the rule. Select permit or deny.

Route

The Route consists of an IP address with the optional /bits

at the end of the

IP address. IP addresses can be specified in the following three ways.

Normal dotted-decimal notation. Example 192.168.12.4

Factorized addresses in the form of #.#.#.# {#,#,...} Example 192.168.12.
{1,4,8} This means IP addresses 192.168.12.1, 192.168.12.4, and
192.168.12.8

Advertising