Dynamic Routing protocols - Dleifnesor/NET-150 GitHub Wiki

IGP (interior gateway protocol) is used to refer to the process running on routers inside an organization’s network

EGP (exterior gateway protocol) is used to refer to the process running between routers bordering directly connected ISP networks

Interior Gateway Protocol is:

Within an Organization

Carries information about internal infrastructure prefixes

Widely used IGPs: o RIPv2 o OSPF o ISIS

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Exterior Gateway Protocol

• Used to convey routing information between Organizations

• De-coupled from the IGP

• Current widely-use EGP is BGP (Border Gateway Protocol)

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Why use EGP and IGP