[c-nsp] ip route-cache

[Brian Vowell]

Config:

7204 w/ 128MB
C7200-I/O
PA-CT3
PA-FE
PA-FE
IOS 12.3(11)T



Gert Doering wrote:

>hi,
>
>On Thu, Oct 14, 2004 at 09:54:52AM -0700, Brian Vowell wrote:
>  
>
>>What about "ip route-cache flow" 
>>
>>I've never used NetFlow, and am not very familiar with it.  I thought it 
>>was mostly for reporting, but some of the CCO docs make it sound more 
>>than that.  Is there any benefit on a single static route?
>>    
>>
>
>The switching paths available differ between IOS releases.  At some time
>in the past, netflow was an actual switching path, while in recent IOS
>releases, it's only used for reporting (except on 6500s with some SUPs, if
>I understood that correctly).
>
>What sort of box do you have, and which IOS version?
>
>Generally speaking, "ip cef" (global) and "ip route-cache cef" (on each
>interface) is what you really want.  If your IOS is oldish, CEF might have
>weird bugs.  In that case you definitely want "ip route-cache".
>
>"no ip route-cache" is only necessary in very special conditions, usually
>related to IOS bugs or debugging things.
>
>gert
>
>  
>