Controlling Redistribution at Remote Points
Redistribution Communities
In some rare situations, a network administrator may desire to control which autonomous systems a peer autonomous system may advertise certain routes to, or control the AS Path length (through AS Path prepending) at a remote autonomous system border. Figure 7.2 illustrates such a situation.
Figure 7.2. Controlling remote route distribution through communities.
Assume AS65503's network administrator knows how AS65500, 65501, 65502, 65503, and 65504, are connected and has the following requirements:
Traffic from AS65500 should prefer the route through AS65502 but should pass ...
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