[c-nsp] BGP memory on a 6500

[David Sinn]

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My personal experience, and one related to me by someone else who  
overran their forwarding table, is that while the syslog will tell  
you it is doing software switching, reality is quite opposite.  In  
both instances when the table overran reachability to those  
overflowed prefixes was non-existent.

David

On Oct 2, 2006, at 2:24 PM, Rick Kunkel wrote:

> Gotta jump back to this for just a sec... sorry to be so pesky... ;)
>
> OK... Supervisor 2 only has enough TCAM for a little more than about
> 200,000 routes.  Got it.
>
> And I'm understanding that it's switching things in software after  
> that,
> is that right?  Does that mean that it will switch 200k+ of the  
> routes in
> hardware, and the remaining ones in software?
>
> Essentially, what I'm trying to figure out is if I *DO* go over  
> that 200k+
> routes, how greatly am I gonna suffer?
>
> Thanks,
>
> Rick
>
>
> On Wed, 27 Sep 2006, Francois Corthésy wrote:
>
>> Hi Rick,
>>
>> Might I point to this earlier discution :
>> https://puck.nether.net/pipermail/cisco-nsp/2006-August/032822.html
>>
>> Essentially, If you plan on using anything else than a Sup720-3BXL  
>> for
>> Full BGP routing on a 6500 for more than 1 or 2 years you are stuck.
>>
>> Francois
>>
>> Rick Kunkel wrote:
>>> Hello all,
>>>
>>> I'm considering a 6500, and am trying to assemble a list of required
>>> components.  I'm looking at the Sup2 with PSC2 and MSCF2.  You  
>>> can get the
>>> MSFC with 512MB of RAM.  Is THIS the RAM that the BGP routing  
>>> table would
>>> be used, or is that stored elsewhere?  If elsewhere, then where?
>>>
>>> THanks,
>>>
>>> Rick Kunkel
>>>
>>>
>>> _______________________________________________
>>> cisco-nsp mailing list  cisco-nsp at puck.nether.net
>>> https://puck.nether.net/mailman/listinfo/cisco-nsp
>>> archive at http://puck.nether.net/pipermail/cisco-nsp/
>>>
>>>
>>>
>>
>>
>
>
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