"Alexander Hagen"
What about a 7505 w/ RSP4/256 and 2 VIP 2-50/128s with 4 PA-FE-TXs.
I would get a 7507 w/redundant RSPs and redundant PS.
For additional port density a 3550 ?
Even a 2650 would do
What is better about the 7206 VXR ?
Fewer software bugs,
Not in my experience.
simpler platform, half the vertical space in the rack,
redundant power supplies,
Indeed.
The part I missed earlier is that I think Alexander needs to buy the
platform. As of today I can not recommend buying any 7500 as even the
7507 and the 7513 are going to EOL sooner or later. If you can't afford
a 7603, then the 7206VXR with NPE400G and a gigabit trunk to a 3550 is
what I would do.
> "Alexander Hagen"
> What about a 7505 w/ RSP4/256 and 2 VIP 2-50/128s with 4 PA-FE-TXs.
I would get a 7507 w/redundant RSPs and redundant PS.
You'd get a 7507 (only if it were a choice between that or a 7505?), but
then at the end of your message, you say you wouldn't buy any 7500?
>> What is better about the 7206 VXR ?
> Fewer software bugs,
Not in my experience.
A couple 'advantages' to the 7206 are much smaller size & mass. The 7206
is single person portable. The 7507 and 7513 are very much larger and
much more massive. You'll never see someone running down the street away
from your data center with a 7507 under their arm.
The part I missed earlier is that I think Alexander needs to buy the
platform. As of today I can not recommend buying any 7500 as even the
7507 and the 7513 are going to EOL sooner or later. If you can't afford
a 7603, then the 7206VXR with NPE400G and a gigabit trunk to a 3550 is
what I would do.
A basic 7507 (dual PS, dual RSP4, couple of VIPs and PAs) is so cheap
today, if he's strapped for cash, that's what I'd go for. I'm guessing
you can still get at least several years out of such a box, and by the
time you've outgrown it or cisco stops making IOS for it (they still make
IOS for AS5200's!), hopefully you'll have the cashflow to upgrade.
Just be sure you have the VIP's that can handle any features you
need or you plan to run with dCEF off and let
the RSP do the work. And that's true as long
as you are not running features on that platform
that require dCEF.
That's the most common deployment mistake I
see made with the 75xx nowadays. People want
to move to dCEF to get added feature capability
or either run a new feature that requires dCEF and they
don't consider the extra load on the VIP CPU's that
is required.
There is no hardware assisted forwaring on a 75xx
so it's pure software and CPU speed to do features.
Rodney
Does dCEF use much more CPU on the VIPs or just memory (to store the
fowarwarding table on the VIP)? My experience has been that a 7500 with
RSP4's and VIP2-50's (with dCEF) will handle much more packet forwarding
than a 7206VXR NPE300...but with full BGP routes, you need at least 64mb
(preferably 128mb) on the VIPs or you can't use dCEF. Not using dCEF
largely defeats the purpose of using a 7500, doesn't it?
In an effort to keep from getting too vendor specific
on nanog I'll respond to you offline.
My initial response to Alex was aimed at giving him
something else to consider from a "gotcha" perspective along
with his other requirements.
Rodney
--- Michel Py <michel@arneill-py.sacramento.ca.us>
wrote:
The part I missed earlier is that I think Alexander
needs to buy the
platform. As of today I can not recommend buying any
7500 as even the
7507 and the 7513 are going to EOL sooner or later.
If you can't afford
a 7603, then the 7206VXR with NPE400G and a gigabit
trunk to a 3550 is
what I would do.
It's always worth taking a look at multiple vendors:
the m7i is a lot of power for not so much money,
relatively speaking, although you won't find much on
the ebay-market...
-David Barak
-Fully RFC 1925 Compliant-