Interior Gateway Protocols
RIP
- “Routing Information Protocol” – “Rest In Peace” ?
- Lots of scaling problems
- RIPv1 is classful, and officially obsolete
EIGRP
- “Enhanced Interior Gateway Routing Protocol”
- Cisco-only routing protocol
IS-IS
- “Intermediate System to Intermediate System”
- Forerunner of OSPF
- Multiprotocol (OSPF supports IP only)