[c-nsp] Re: Cisco 7600 vs Juniper M7i

[Ian Cox]

At 08:09 PM 6/2/2005 +0300, Hank Nussbacher wrote:
>At 08:34 AM 02-06-05 -0400, Robert Blayzor wrote:
>
>
> >If you start exceeding the route processors capabilities you can add
> >DFC's right to the line card and it scales right into a full distributed
> >forwarding router.  This will give you full wirespeed ACL's and QoS
> >without a problem. (so long as you don't exceed the slot bandwidth limit
> >which I believe is 40Gbps per slot)
>
>We too bought a 7613 with SUP720/3BXL and for the GEs we bought a 48 port
>WS-X6748-GE-TX along with a DFC - WS-F6700-DFC3BXL.  Adding in the DFC
>doubled the price per port for us.
>
>I am curious if the Meircom test 7604 was using a DFC or not.

The system used for the Miercom test did not have a DFCx installed on it.

>   Somehow,
>based on their numbers, I believe they were using a DFC card since I don't
>believe they could reach the numbers stated without it.  And if they did
>reach those numbers w/o the DFC card, what the hell are we buying them for?

Centrally the system can perform 30M lookup operations per second for 
IPv4. Having the DFC on the 67xx module means that the card itself 
can perform 48M lookups per second for IPv4.


Ian

>And if they were using a DFC card, then they are extremely negligent in not
>stating it in the report.
>
>-Hank
>
>
> >While adding DFC's could be pricey, consider your alternatives.  A 24
> >port Gig-E card for a 7600 costs about $9k + SFP's...  If you populate
> >the entire thing and add DFC's your cost per port is far less than what
> >Juniper could ever dream of delivering you.  Not to mention the M10i
> >does not have the port density and line card selections that the 7600's
> >can give you.  The other nice thing is that the 7600's can reuse all
> >your 7200/7500 WAN cards, etc. (if you had any - no stranded investment)
> >
> >--
> >Robert Blayzor, BOFH
> >INOC, LLC
> >rblayzor\@(inoc.net|gmail.com)
> >PGP: http://www.inoc.net/~dev/
> >Key fingerprint = 1E02 DABE F989 BC03 3DF5  0E93 8D02 9D0B CB1A A7B0
> >
> >My computer NEVER cras
>
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