On Sun, Feb 11, 2001 at 07:54:22AM -0800, F. David Sinn wrote:
> The entire BGP table is not copied into CEF. The entire routing table is.
> Depending on your policy, your routing table should have fewer entries then
> your routing table.
>
> CEF is a all or nothing proposition since when you enable it, it is how the
> router routes all unicast IP packets. You can't selectively pick a
> switching path based on the prefix you are looking up.
>
> 128MB should be enough for two BGP peers and CEF. What problems are you
> running into when you enable CEF?
It is not on non-VXR 7200s. If you can afford to, go back to
11.1(36)CC on your non-vxr 7200s as that doesn't have the same
memory-size impact that 12.0S does.
- Jared
> -----Original Message-----
> From: Miguel A.L. Paraz [mailto:map@internet.org.ph]
> Sent: Saturday, February 10, 2001 8:09 AM
> To: cisco-nsp@puck.nether.net
> Subject: [nsp] CEF, BGP tables and memory
>
>
> Hi,
>
> 128 MB RAM on my 7206 NPE-200 isn't enough to run CEF it seems, with two
> full BGP views. I don't think I need CEF for performance, but I do want
> CEF for uRPF.
>
> When you turn on "ip cef", I believe that copies the entire BGP table to
> CEF?
> I only need the customer static routes to copied to CEF, is that possible
> on 12.0.14(S) ?
>
>
>
> --
>
> http://www.internet.org.ph The Philippine Internet Resource
> Mobile Voice/Messaging: +63-917-810-9728
>
>
>
>
>
-- Jared Mauch | pgp key available via finger from jared@puck.nether.net clue++; | http://puck.nether.net/~jared/ My statements are only mine.
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