Routing Protocols
INTERIOR ROUTING PROTOCOLS
- Used within a single autonomous system
- Uses private IP addresses
OSPF (Open Shortest Path First)
- Excellent for enterprise networks
- Uses a link-state algorithm
- Administrative Distance: 110
- Uses Dijkstra's algorithm
RIP (Routing Information Protocol)
- Small networks
- Distance Vector
- Slow convergence
- Not very scalable
- Administrative Distance: 120
EIGRP (Enhanced Interior Gateway Routing Protocol)
- Hybrid routing protocol (Advanced distance vector routing protocol)
- Administrative Distance: 90
EXTERIOR ROUTING PROTOCOL
- Used to communicate between different autonomous systems
- Used on the Internet
BGP (Border Gateway Protocol)
- Uses public IP addresses
- Administrative Distance: 20
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