The Routing Table - Cisco Academy
The Routing Table - Cisco Academy The Routing Table - Cisco Academy
2.7 Discard Routes and Avoiding Routing LoopsI have written another document, Discard Routes and Avoiding Routing Loops, which shows apractical example of a routing loop problem that can happen on a network, and how your understandingof the routing table can resolve this common problem. It is a much shorter document, and I think you willfind it both interesting and useful.2.8 Last RemarksI hope you have found this useful document in understanding the routing table and the routing tablelookup process. If you have any comments or questions regarding this document, you may email them tome at graziani@cabrillo.edu.I would personally like to thank Alex Zinin, author of the book Cisco IP Routing, who’s book opens up theinner-workings of the Cisco IOS to the rest of us.20
- Page 1 and 2: The Routing TablePart 2 - The Routi
- Page 3 and 4: The Routing TablesRouterA#show ip r
- Page 5 and 6: Example 1: Packet with Destination
- Page 7 and 8: Note: It is important to recognize
- Page 9 and 10: The routing table process will use
- Page 11 and 12: Figure 10RouterB#show ip routeCodes
- Page 13 and 14: 2.4 Classless Routing Behavior and
- Page 15 and 16: Changing between ip classless and n
- Page 17 and 18: We will now add two supernet routes
- Page 19: Of course it is very possible, and
2.7 Discard Routes and Avoiding <strong>Routing</strong> LoopsI have written another document, Discard Routes and Avoiding <strong>Routing</strong> Loops, which shows apractical example of a routing loop problem that can happen on a network, and how your understandingof the routing table can resolve this common problem. It is a much shorter document, and I think you willfind it both interesting and useful.2.8 Last RemarksI hope you have found this useful document in understanding the routing table and the routing tablelookup process. If you have any comments or questions regarding this document, you may email them tome at graziani@cabrillo.edu.I would personally like to thank Alex Zinin, author of the book <strong>Cisco</strong> IP <strong>Routing</strong>, who’s book opens up theinner-workings of the <strong>Cisco</strong> IOS to the rest of us.20
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