December 2019
Beginner
510 pages
12h 7m
English
Content preview from Networking Fundamentals
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Understanding static and default routes
Because we cannot document every network in a routing table, we need to know what to do with the data if the network is not listed. Quite simply, we have a catch-all route that, in essence, says if you have gone through the routing table and cannot find a match for this destination, then send it from this particular interface to this other router and let them sort it out. If the other router does not know, it will do the same.
Basically, we are playing pass the parcel with the data in the hope that it is finally received by a routing device that actually knows where the destination network is. Remember, the TTL will be counting down at each device. If no default route has been configured, then the ...
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