[nsp] Colo DC setup

[Richard J. Sears]

We use the 6509's for all of our data center colo customer and we use
the RJ21X connections to make the wiring much easier.


On Tue, 9 Dec 2003 10:10:44 -0800
"matthew zeier" <mrz at intelenet.net> wrote:

> How much bandwidth are you pushing/pulling and how much can those switches
> really do?
> 
> I'm jaded - these 6500s are great but management doesn't like the wiring
> issues for each row of cabinets and is thinking of using smaller switches
> per row to make the wiring just two fiber runs.
> 
> 
> ----- Original Message ----- 
> From: <jlewis at lewis.org>
> To: "Terry Baranski" <tbaranski at mail.com>
> Cc: <cisco-nsp at puck.nether.net>
> Sent: Tuesday, December 09, 2003 8:59 AM
> Subject: RE: [nsp] Colo DC setup
> 
> 
> > On Mon, 8 Dec 2003, Terry Baranski wrote:
> >
> > > So with that in mind, you may want to consider going with 3550s instead
> > > of 2950s.  A 3550 gives you full ACL/VACL functionality with the option
> > > of turning on layer-3 switching if it becomes desirable down the road.
> > > Much more flexible and scalable.
> >
> > This is what I chose for our data center / colo facility.  We've got
> > 7500's as the 2 main routers (one's a 7206vxr, but it's about to be
> > replaced with a 7507) doing HSRP, each with their own switch...then
> > numerous aggregation 3550's each connecting back to both of the "router
> > switches".  We run most of the 3550 ports in layer-3 mode (no switchport,
> > ip address blah) and let them propogate routing info back to the routers
> > via OSPF.  Where necessary, we run 3550 ports in switchport mode and setup
> > VLANs going back to subinterfaces on the routers.
> >
> > One of the features that made us pick the 3550 was per-port traffic
> > policing...so when customers get infected with sql slammer or similar
> > junk, they can't melt the network.
> >
> > ----------------------------------------------------------------------
> >  Jon Lewis *jlewis at lewis.org*|  I route
> >  Senior Network Engineer     |  therefore you are
> >  Atlantic Net                |
> > _________ http://www.lewis.org/~jlewis/pgp for PGP public key_________
> >
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> >
> 
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******************************************
Richard J. Sears
Vice President         
American Digital Network                          
----------------------------------------------------
rsears at adnc.com
http://www.adnc.com
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858.427.2401 - Fax
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