1.

Mention some of the well known BGP metric’s attributes.

Answer»

BGP path selection is based on the values of the following attributes:

  • Weight
  • Local Preference (highest local value will be PREFERRED, default value is 100)
  • Originate
  • AS path length
  • Origin code
  • Multi-Exit Discriminator (MED)
  • EBGP path over iBGP path
  • Shortest IGP path to BGP next hop
  • Oldest path
  • Router ID
  • Neighbor IP ADDRESS.


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