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FTOS Configuration Guide for the C-Series - Force10 Networks

FTOS Configuration Guide for the C-Series - Force10 Networks

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Important Points to Remember<br />

• For route-maps with more than one match clause:<br />

• Two or more match clauses within <strong>the</strong> same route-map sequence have <strong>the</strong> same match<br />

commands (though <strong>the</strong> values are different), matching a packet against <strong>the</strong>se clauses is a<br />

logical OR operation.<br />

• Two or more match clauses within <strong>the</strong> same route-map sequence have different match<br />

commands, matching a packet against <strong>the</strong>se clauses is a logical AND operation.<br />

• If no match is found in a route-map sequence, <strong>the</strong> process moves to <strong>the</strong> next route-map sequence until<br />

a match is found, or <strong>the</strong>re are no more sequences.<br />

• When a match is found, <strong>the</strong> packet is <strong>for</strong>warded; no more route-map sequences are processed.<br />

• If a continue clause is included in <strong>the</strong> route-map sequence, <strong>the</strong> next or a specified route-map<br />

sequence is processed after a match is found.<br />

<strong>Configuration</strong> Task List <strong>for</strong> Route Maps<br />

You configure route maps in <strong>the</strong> ROUTE-MAP mode and apply <strong>the</strong>m in various commands in <strong>the</strong><br />

ROUTER RIP and ROUTER OSPF modes.<br />

The following list includes <strong>the</strong> configuration tasks <strong>for</strong> route maps:<br />

• Create a route map on page 358 (mandatory)<br />

• Configure route map filters on page 360 (optional)<br />

• Configure a route map <strong>for</strong> route redistribution on page 363 (optional)<br />

• Configure a route map <strong>for</strong> route tagging on page 364 (optional)<br />

Create a route map<br />

Route maps, ACLs, and prefix lists are similar in composition because all three contain filters, but route<br />

map filters are do not contain <strong>the</strong> permit and deny actions found in ACLs and prefix lists. Route map filters<br />

match certain routes and set or specify values.<br />

To create a route map and enter <strong>the</strong> ROUTE-MAP mode, use <strong>the</strong> following command in <strong>the</strong><br />

CONFIGURATION mode:<br />

Command Syntax Command Mode Purpose<br />

route-map map-name [permit | deny]<br />

[sequence-number]<br />

CONFIGURATION Create a route map and assign it a unique<br />

name.<br />

The optional permit and deny keywords are<br />

<strong>the</strong> action of <strong>the</strong> route map. The default is<br />

permit.<br />

The optional parameter seq allows you to<br />

assign a sequence number to <strong>the</strong> route map<br />

instance.<br />

358 IP Access Control Lists, Prefix Lists, and Route-maps

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