Differences between RIP, OSPF, and EIGRP:
Feature
RIP
OSPF
EIGRP
Routing Protocol Type
Distance Vector
Link-State
Hybrid
Algorithm
Bellman-Ford
Dijkstra
Advanced Distance Vector
Administrative Distance
120
110
Internal: 90, External: 170
Metrics
Hop Count
Cost (Bandwidth by default, configurable)
Bandwidth, Delay, Reliability, Load, MTU
Convergence Time
Slow
Fast
Fast
Scalability
Limited to small networks
Good scalability for medium to large networks
Good scalability for large networks
Support for VLSM and CIDR
No support
Yes
Yes
Support for Multiple Paths
Limited
Yes
Yes
Type of Networks Supported
Small networks with simple topologies
Medium to large networks with complex topologies
Large networks with complex topologies
Proprietary or Standard
Standard
Standard
Proprietary (Cisco)