[c-nsp] Pile on the 6509 noob

Mark Tinka mtinka at globaltransit.net
Mon Sep 28 05:43:20 EDT 2009


On Friday 25 September 2009 02:10:06 am CJ wrote:

> Finally, if I solved this issue, I'm wondering about the
> relative wisdom of using the FlexWAN card.  I want to put
> a PA-2DS3 in it and also a PA-MC-T3. Is this an
> enlightened practice?

We've always been against trying to turn an Ethernet box 
into a TDM/SONET/SDH device, as it's never cheap considering 
how much bandwidth you're losing per slot relative to the 
investment in adding non-Ethernet support as well as the 
kind of bandwidth you'd be getting out of it.

It's the same thing Juniper did with their MX-FPC carrier 
cards, adding support for SONET/SDH PIC's in the MX-series 
routers. I'd still find it cheaper to buy a smaller box that 
talks Ethernet and non-Ethernet fairly equally from an 
overall cost/benefit-perspective.

But that's just us :-)... I'm sure a number of networks in 
the wild find this feature quite useful, which is why the 
vendors continue to find ways to provide support for it.

Cheers,

Mark.
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