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Border Gateway Protocol, Route Manipulation, and IP Multicast

Chapter Description

Anthony Bruno and Steve Jordan covers the Border Gateway Protocol (BGP), route summarization and redistribution of route information between routing protocols, policy-based routing (PBR), and IP multicast protocols for use in preparation for the CCDA exam.

Route Redistribution

Route redistribution can occur

  • In mixed vendor environments, where Cisco routers might be using EIGRP and other vendor routers using OSPF.
  • In migrations from older routing protocol.
  • In different administrative domains.
  • From static routes and BGP routes into IGP.
  • From VPN static routes into IGP.
  • Between campus core and WAN routers.
  • From selected building access protocols.
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