E-Commerce
RIP & IS-IS Protocols
Computer Network & communication systems
Routing Information Protocol (RIP) & Intermediate System-to-Intermediate System Protocol (IS-IS)
Saman Haghkar
9/20/2008
Contents
Routing Information Protocol (RIP) 4
RIP Version 1(RFC 1058) 4
Introduction 4
RIP Limitations 5
Distance Vector Algorithms 6
RIP Topology Changes 9
RIP Specifications 9
Message formats 11
RIP Addressing 13
RIP Timers 14
Input processing 15
Request 16
Response 16
Output Processing 17
Compatibility 17
Control functions 18
RIP Version 2(RFC 1723) 19
Abstract 19
Justification 19
Current RIP 19
Protocol Extensions 20
Authentication 21
Route Tag 21
Subnet mask 22
Next Hop 22
Multicasting 23
Queries 23
Compatibility 23
Compatibility Switch 23
Authentication 24
Larger Infinity 24
Addressless Links 24
Security Considerations 25
RIPng 25
Intermediate System-to-Intermediate System Protocol 26
IS-IS (RFC 1195) 26
Introduction 26
Integrated IS-IS 27
IS-IS Operations 28
IS-IS Data-Flow Diagram 28
Areas and the Routing Domain 30
Backbone 30
Areas 31
Level 1 Router 32
Level 2 Router 33
Level 1/Level 2 Router 33
NSAP Addresses 34
Packet Types, Neighbors, Flooding, and Adjacencies 37
Packet Types 37
IS-IS LAN hello fields 39
LSP format fields 43
Well-Known MAC Addresses 45
Adjacency Building 45
The Link-State Database and Reliable Flooding 46
Link-State Database 46
LSPs and Reliable Flooding 46
Network Types 47
Designated Intermediate System and Pseudo nodes 48
Metrics 49
Default Metric 49
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