On Thu, 29 Aug 2013, chip wrote:
Let's all also remember the TCAM limitations on the 7600/Sup2T platform.
With the BGP table growing like it is, you'll need to carve up IPv4/IPv6
TCAM allocation and could likely run out in the not-so-distant future.
IMHO, unless something amazing happens for the 7600/Supervisor platform,
this thing is dead as a DFZ BGP router and people should be looking
elsewhere moving forward. Both ASR lines (1k/9k) offer much better
"router" capabilities and growth paths. The 6500/7600 platform has had a
helluva run, but I believe its time has passed.
The TCAM limitation will kill the 6500/7600 platform for BGP router use
_unless_ cisco comes out with a new PFC and DFCs that raises the limit. I
still wonder what they were thinking with the Sup2T and why it didn't get
any more routing slots than the Sup720-3BXL. This platform is the
cheapest way to get lots of gigabit (or even 10 gigabit) ports and line
rate performance in a BGP capable router...but sometime in the next couple
of years, the current Sups and DFCs probably won't handle a full table.
More TCAM and faster CPUs could keep the 6500 series viable for a long
time.
I haven't followed the thread closely enough to know if "netflow" was ever
elaborated. The 6500 does netflow. Whether the netflow it does is
sufficient for the OPs needs is the question.
----------------------------------------------------------------------
Jon Lewis, MCP :) | I route
| therefore you are
_________ http://www.lewis.org/~jlewis/pgp for PGP public key_________
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