[nsp] Memory required for a given number of routes

[Christian Kuhtz]

If memory serves, 45K prefixes used to require somewhere around 64-128MB a
while back.  IMHO, there's probably little point considering anything other
than BGP for that large number of prefixes in an SP environment anyway.


On 7/7/04 10:54 AM, "rwcrowe at comcast.net" <rwcrowe at comcast.net> wrote:

> Hello,
>       This tool/procedure might be available somewhere, so just bear with me.
> I am looking for a way for pre- implementation to calculate the requires
> memory for a given number of routes. Say a customer needs to have 45,000
> routes in their routing table, what would be the minimum memory required for
> just the routes ? Obviously you need extra memory for routing functions and
> processes.
>     It doesnt have to be an exact amount but just a round about figure. Also
> if it could be generic enough so you dont have to specify BGP, OSPF, etc as
> they do take differnt memory requirements.
>  If the router is already implemented you could do a "show ip route summary"
> but I am looking for this as a pre-sales/pre-implementation method.
> Thanks
> Rob
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