In the first part of this BGP tutorial we prepared the ground by configuring eBGP/iBGP peering. We did a good job overall, yet the plain BGP peering is not something you would not normally see in production. The power of BGP is in its ability for granular management of multiple routes from multiple sources. And the tools that help BGP to handle this complex task are BGP policies at their full glory.
In this part we will discuss and practice:
- BGP export/import policies for route advertisement/filtering
- BGP communities operations
- BGP routes aggregation: route summarization and the corresponding