[c-nsp] 12008 replacement, 7300?

[Matthew Crocker]

The 7300 chassis is more of a replacement for the 7200 series,  It is  
a CEF based router with a central routing engine
The 12000 chassis is a dCEF router with distributed routing engines.

The 12008 chassis has a non-upgradable backplane/CSC running at OC-48  
per slot.  If you need more chassis bandwidth you can upgrade to a  
12400 or 12800 series chassis which will provide 10 & 40 gigabit/slot  
bandwidth.

If you don't need the extra chassis bandwidth you could just replace  
your aging LCs and upgrade your RPs to PRP-2s.  If you stay with the  
12000 series you can upgrade incrementally adding memory/CPU where  
you need it.  If you forklift to a 7300 you will be junking a lot of  
gear and limiting yourself to future growth.

Personally, I would stay with the 12000 series and upgrade the LCs

-Matt


On May 13, 2005, at 2:40 AM, matthew zeier wrote:

>
> I'm continually plagued by problems with some aging 12008s we have  
> and their
> old, EOL LCs.  I've been tasked with finding a replacement option.
>
> Among the options on the table are replacing the 12008s with 7300s,  
> one per
> provider.  However, I have no working experience with these boxes  
> and have no
> idea if this is an appropriate "replacement" solution or not.
>
> Upstream connectivity ranges from OC12 to OC48 to GigE.
>
> Comments?
>
>
> --
> matthew zeier, Sr. Network Engineer  | "Nothing in life is to be  
> feared.
> InteleNet Communications, Inc.       |  It is only to be understood."
> (949) 784-7904                       |       - Marie Curie
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--
Matthew S. Crocker
Vice President
Crocker Communications, Inc.
Internet Division
PO BOX 710
Greenfield, MA 01302-0710
http://www.crocker.com