Cisco BGP AS PATH Prepend Configuration

Cisco BGP AS PATH Prepend Configuration

• Topology
  
  
  
  
• Configuration Settings Overview
  
  
  AS65010 adds AS-PATH to AS-PATH list addressed to 5.5.5.5/32 and tells AS65000 not to communicate to 5.5.5.5/32 by transiting its own AS.
  
  
• Dynagen Config File / Router Config

  1.  Dynagen .net file
  
  2.  R1
  
  3.  R2
  
  4.  R3
  
  5.  R4
  
  6.  R5
  
  7.  R10
  
  8.  R11
  

• show command

  R1  : sh ip route
      : sh bgp ipv4 unicast summary
  R10 : sh ip route
      : sh bgp ipv4 unicast summary
      : sh bgp ipv4 unicast
  R11 : sh ip route
      : sh bgp ipv4 unicast summary
      : sh bgp ipv4 unicast
  
  1.  R1
  
  2.  R10
  
  3.  R11