[c-nsp] Public table on 7206 VXR with NPE-G1 - 512MB or 1GB?

[Jose]

We have a few NPE-G1s out there as well with 1GB of memory and they are 
more than capable of handling a full internet route table.  Memory is 
basically the same as what the others have posted.  Feature wise we're 
not really doing anything fancy so CPU utilization is fine.

One question I'd like to ask is whether anyone would ever consider using 
one of these as a gateway towards your upstream transits pushing over 
500Mbps of bandwidth?

Jose

Engelhard Labiro wrote:
> Hi Mick,
>
> FYI a 7206VXR-NPE-G1 loaded with 1Gig only consumes around 250Mb of
> its memory for a full BGP table (around 271K routes without
> filtering). See our router stat here
>
> xxxx#sh mem
>                 Head    Total(b)     Used(b)     Free(b)   Lowest(b)  Largest(b)
> Processor   63F362C0   923573340   256034056   667539284   651316116   369925212
>       I/O    C000000    67108864     3721756    63387108    62399392    62399356
> Transient   7B000000    16777216       11320    16765896    14820880    16759876
> [....truncated...]
>
> hope this gives you a clue if 512Mb will be able to handle full BGP table.
>
> On Thu, Jan 22, 2009 at 8:59 AM, The Mickster <mickster4470 at gmail.com> wrote:
>   
>> We need to shift some routers around in our network, and we have a couple of
>> 7206-VXR routers with NPE-G1 which we'd like to redeploy into a situation
>> where they'll need to take the full public BGP table.
>>
>> Currently they have 512MB of RAM, and the NPE-G1 appears to top-out at 1GigB
>> of RAM.  Can anyone tell me if I can do the full table on 512 MB, or if I
>> need upgrade to !Gig, or is running the full table on a 7206-VXR a lost
>> cause anyway?
>>
>> I'd run some tests, but it's going to be pain to get one of the 7206 to
>> where we can use it for testing without shuffling a bunch of stuff around.
>> I'd really like to know if it's going to function before going to all of
>> that work, so I'm hoping someone on this list can offer me a clue...
>>
>> -Mick
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