Considerations for All Service Provider Peering Situations
Whether you multihome to one service provider or many, there are several common configuration options and issues you should be aware of and make certain are handled properly.
How Not to Transit Traffic
The first of these issues is probably the most important—how not to transit traffic. Figure 2.25 illustrates a simple connection to two service providers.
Figure 2.25. How not to transit traffic.
Suppose AS 65240 is receiving a full routing table from AS 65241 and is then passing this full set of Internet routes on to AS 65242. What would prevent the routers in AS 65242 from preferring the ...
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