Floating Route

Unanswered Question
May 15th, 2008

What is floating route and where we will use it.Plz explain with examples


Ahmed Bava

I have this problem too.
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Pravin Phadte Thu, 05/15/2008 - 04:19

floating route works with the concept of Administrative Distance. Changes made with the route with administrative distance will be used as a floating router. also can be used as backup route.

Its mostly used in routing protocals and ISDN.

The below link has basic points to start with and at the end also the links which can show you the config examples.


bvsnarayana03 Thu, 05/15/2008 - 04:32

Its like having redundant paths with static routes. Where 1 static route will be primary & in case this route fails then the other route will be used.

Ip route x.x.x.x next-hop (pri route)

Ip route x.x.x.x next-hop 100 (sec route)

where 100 i at last in the second route is AD. by default static route has AD of 0 or 1 based on whether the next-hop is exit interface or the other router. If the other router has to be added for backup purpose than it has to be advertised by a higher AD (like we did in 2nd route)


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