[c-nsp] 6500/BGP/full route tables [even more] confusing...

[Jon Lewis]

On Sat, 26 Mar 2011, Jeff Kell wrote:

> I had a 6509/Sup2 (clearly can't do full tables) for some time, using
> various route-maps and filtering tricks to keep the IPv4 routes under
> 128K (which seems to be the magic number with uRPF enabled).  If that is
> exceeded, it generates TCAM overflow errors and essentially the 6500 is
> bricked relative to passing traffic.  Under 128K and it's fine.
>
> I intended to upgrade this to "something" suitable for full routing
> tables, and went for a Sup720/PFC3CXL.  A million routes, right?

Not really.  The million routes thing is highly misleading.

> Received another WS-X6516-GBIC but with a DFC3A.  Powers up, but
> switches everything to "PFC3A" mode:

If you're not doing that much traffic, is removing the DFC from the 
WS-X6516-GBIC an option?

----------------------------------------------------------------------
  Jon Lewis, MCP :)           |  I route
  Senior Network Engineer     |  therefore you are
  Atlantic Net                |
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