[c-nsp] BGP memory on a 6500

[Francois Corthésy]

Well, I'm no 6500 Guru, but my understanding of the TCAM is that it is 
used for *every* route, which in tunrs means that your internal routing 
table/ARP count/BGP table all have to share the ~239'000 limit that the 
TCAM has.

Francois


Rick Kunkel wrote:
> Sakes alive, there's a snarl at every turn.  I appreciate every piece of 
> info though.
>
> Is the TCAM used for BGP?  Things I've read seem to indicate they're used 
> for ACLs.  Obviously, I'm bound to use some ACLs for BGP, but are there 
> other elements that the TCAM would be used for that woudl be limiting to 
> BGP?
>
> On another note, I've heard that the 7600 and 6500 are now almost 
> identical with the Sup720.  Is this true?
>
> Thanks much!
>
> 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
>>>
>>>
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>>>
>>>   
>>>       
>>     
>
>
>