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Routing
Contents
 Different type of routing
 Fields of routing table
 Forwarding technique
 Populate a routing table
Different types of routing
 Direct routing
 Indirect routing
 Static routing
 Dynamic routing
Direct and Indirect Routing
 When routing is performed in the same network than
direct routing happens. Performed by Host...
Example of Direct & Indirect routing
Static and Dynamic Routing
Static routing :
Can be set as permanent (will not be removed
-If interface goes down)
- Only ...
Fields of Routing Table
Mask Network
address
Next-
hop
address
Interface Flags Referenc
e
count
Use
…………
….
…………
…..
…………
...
Short Description
 Mask: Used for entry
 Network address : Defines where the packet will delivered.
 Next-hop address :...
Packet Forwarding Techniques
 Next Hop Method
 Network Specific Method
 Host Specific Method
 Default Method
6.2 FORWARDING
Forwarding means to place the packet in its route to its destination.
Forwarding requires a host or a route...
Next-Hop Method Versus Route Method
Network-Specific Method Versus Host-
Specific Method
Default method
Populate a Routing Table
A network router sends packets to remote network sites
based on information in its routing table....
Populating a routing table from following figure
Routing table for Router R1
Mask Network Address Next Hop Interface
/26 180.70.65.192 ___ m2
/25 180.70.65.128 ___ m0
/24 ...
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Routing, Different types of forwarding technique

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Routing
----Different types of routing
----Fields of routing table
---- Forwarding technique
----Populate a routing table

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Routing, Different types of forwarding technique

  1. 1. Routing
  2. 2. Contents  Different type of routing  Fields of routing table  Forwarding technique  Populate a routing table
  3. 3. Different types of routing  Direct routing  Indirect routing  Static routing  Dynamic routing
  4. 4. Direct and Indirect Routing  When routing is performed in the same network than direct routing happens. Performed by Host. – Destination network = local network  Indirect routing performed from one network to another network. – Destination network ≠ local network – Packet is forwarded to default gateway
  5. 5. Example of Direct & Indirect routing
  6. 6. Static and Dynamic Routing Static routing : Can be set as permanent (will not be removed -If interface goes down) - Only way for certain technologies Dynamic routing : Adapts to topology changes
  7. 7. Fields of Routing Table Mask Network address Next- hop address Interface Flags Referenc e count Use ………… …. ………… ….. ………… …… ………… ……. ………… …… ………… ….. ………… ……
  8. 8. Short Description  Mask: Used for entry  Network address : Defines where the packet will delivered.  Next-hop address : defines the address of the next router  Interface: Shows the name of interface  Flags: U(up)-The routing is up & running G(gateway)-The destination is another network H(hop-specific)-Host specific address  Reference count :Gives the number of router users at a moment  Use :shows the number of passed packets through router.
  9. 9. Packet Forwarding Techniques  Next Hop Method  Network Specific Method  Host Specific Method  Default Method
  10. 10. 6.2 FORWARDING Forwarding means to place the packet in its route to its destination. Forwarding requires a host or a router to have a routing table.
  11. 11. Next-Hop Method Versus Route Method
  12. 12. Network-Specific Method Versus Host- Specific Method
  13. 13. Default method
  14. 14. Populate a Routing Table A network router sends packets to remote network sites based on information in its routing table.This table is like an index that has an IP address, a MAC address and an interface number
  15. 15. Populating a routing table from following figure
  16. 16. Routing table for Router R1 Mask Network Address Next Hop Interface /26 180.70.65.192 ___ m2 /25 180.70.65.128 ___ m0 /24 201.4.22.0 ___ m3 /22 201.4.16.0 ___ m1 Any Any 180.70.65.200 m2
  • GaneshKumar1099

    Jan. 30, 2019
  • AshishJha247

    Sep. 21, 2018
  • NAITIKPANCHAL

    May. 30, 2017
  • MahesaJaya

    May. 23, 2015

Routing ----Different types of routing ----Fields of routing table ---- Forwarding technique ----Populate a routing table

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