[c-nsp] Cisco 6509 and Bus speeds

[Tim Stevenson]

To clarify, you can't have DFC, you must have DFC3 with sup720 if you want 
to use distributed fwding.

Tim

At 08:18 AM 1/13/2005, cisco-nsp-request at puck.nether.net averred:
>Message: 10
>Date: Thu, 13 Jan 2005 11:17:35 -0500
>From: Paul Schopis <pschopis at oar.net>
>Subject: Re: [c-nsp] Cisco 6509 and Bus speeds
>To: Arnold Nipper <arnold at nipper.de>
>Cc: cisco-nsp at puck.nether.net
>Message-ID: <A2F1315C-657E-11D9-97E3-000D932CF29C at oar.net>
>Content-Type: text/plain; charset=US-ASCII; delsp=yes; format=flowed
>
>just my 2 cents worth. I also looked at
>http://www.cisco.com/en/US/products/hw/switches/ps708/
>prod_module_installation_guide09186a0080163594.html#wp60133
>
>and quoted in there is  " Important Note: You cannot have a DFC in a
>system with a Supervisor Engine 720."
>
>
>could be important
>
>Paul
>
>On Jan 13, 2005, at 8:32 AM, Arnold Nipper wrote:
>
> > On 13.01.2005 13:45 Marcel Lemmen wrote
> >
> >> The c6509 with Sup720 can handle 720Gbps of switching traffic in
> >> total,
> >> but what happens if I transfer 40Gbps from one slot to the other slot
> >> with
> >> 4x10GE (since we have 8 10GE ports)? As far as I know the c6509 has a
> >> 8Gbps backplane and therfor you shouldn't be able to transfer more
> >> then
> >> 8Gbps from one slot to another, or am I wrong in this one?
> >
> > The buildt-in switching fabric can handle 40Gbps
> >
> >> Using dCEF it
> >> would be possible to transfer 40Gbps of traffice within one slot but
> >> not
> >> between slots or not?
> >
> > You are able to transfer 40Gbps of traffic between two slots as well
> >
> > Have a look
> > http://www.cisco.com/en/US/products/hw/switches/ps708/
> > products_qanda_item09186a0080159963.shtml for more information
> >
> >
> >



Tim Stevenson, tstevens at cisco.com
Routing & Switching CCIE #5561
Technical Marketing Engineer, Catalyst 6500
Cisco Systems, http://www.cisco.com
IP Phone: 408-526-6759
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