
Cyclades-PR2000
STEP SIX
A route map can either apply to all routes not discarded by the access lists, as shown in Figure 9.6, or to routes filtered by a particular access list, as shown in Figure 9.7.
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Seq. 10 | Seq. 4 |
| Rule 2 | Rule 1 | Rule 0 |
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DiscardedDiscarded
RoutesRoutes
BGP-4
Message From
Tele Popeye
Rule 1 | Rule 0 | Rule 2 | Rule 1 | Rule 0 |
Access list | Access list | Access list | |
popeye_comm | popeye_dist | ||
popeye_path | |||
type Community | type Distribution | ||
type AS Path | |||
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| Route Map |
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FIGURE 9.7 ROUTE MAP ASSOCIATED WITH AN ACCESS LIST
In figure 9.7, the access list popeye_path is associated with sequence 2 of Route Map 1. Instead of the access list causing the disposal of the routes that match its rules, it causes the application of the route map.
Chapter 9 - Routing Protocols | 84 |