Verifying the BGP Table
When an enterprise router has established its eBGP neighbor relationships, that router can advertise and learn routes using BGP. To learn routes, an enterprise BGP router does not need additional configuration beyond the configuration of eBGP neighbors, as discussed earlier. To advertise routes to eBGP peers, particularly the public IP address prefix(es) used by that enterprise, the enterprise BGP router needs some additional configuration, as discussed in the upcoming section “Injecting Routes into BGP for Advertisement to the ISPs.”
The BGP table plays a key role in the process of learning and using routing information with BGP. A router stores all learned BGP prefixes and PAs in its BGP table. The router will later ...
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