Information Requires By Router

Posted on Friday, December 11, 2009
This article was posted in CCNA, Network

Information Requires By Router

The router needs the following key information:

  • Destination Address  -   The destination (typically an IP  address ) of the information being sent.
  • Source of Information   -   Where the information came from (typically an IP Address)
  • Possible Routes  -  Likely routes to get from source to destination
  • Best Route   -  The best path to the intended destination
  • Status of routes  -  Known paths to the most current destinations

 

info_router

A router is constantly learning about routes in the network and storing this information in its routing table.  The router uses its table to make forwarding decisions.

The router learns about routes in one of two ways:

  • Manually (routing information is entered by the network administrator)
  • Dynamically (routing processes running in the network)

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