The routing tables are held in RAM. The time to build
a table is not very long, were talking miniscule. If
the table is large, say it contains BGP routes, it
could take a a few seconds. It rely depends on the
processor in the router and the routing protocol.
Route tables are supposed to be dynamic in nature. As
to the power cycle, it takes longer for the router to
come up than to learn the routes it needs to
communicate.
William Swedberg CCNP CCDP
--- Frank Jordan <[EMAIL PROTECTED]> wrote:
> An article said the routing table is located in RAM.
> I got a little puzzled ,cause if the router is
> powered off by accident,
> will the table get lost totally?
> If the router is a backbone one,the table should be
> very big ,so after
> the power cycle ,the router has to attain all the
> routes once again,it's
> time consuming.
> Does the router put some static routes in NVRAM or
> flash ,or all the
> routes stay in ram ?
>
> Thanks.
>
> frank
>
>
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