[AusNOG] 7301 Broadband Aggregation?

[McDonald Richards]

We are going back a long time here, but in my experience the only ports
worth using for ethernet on the G1 and G2 were the ones built onto the NPE
themselves..It may have just come down to those being the only ones that
support SFPs but I seem to recall something to do with the actual PCI bus
being a lot slower than the interface used on the NPE to those ports.

Macca


From:  Skeeve Stevens <skeeve+ausnog at eintellego.net>
Date:  Tue, 27 Mar 2012 16:36:08 +1100
To:  Graeme Allen <gallen at mytelecom.com.au>
Cc:  "ausnog at lists.ausnog.net" <ausnog at lists.ausnog.net>
Subject:  Re: [AusNOG] 7301 Broadband Aggregation?

According to: 
http://www.cisco.com/en/US/docs/routers/7200/configuration/7200_port_adapter
_config_guidelines/3875In.html

"Do not calculate bandwidth points for an I/O controller if it is installed
in the Cisco 7200 VXR router with an NPE-G1 or NPE-G2. With the NPE-G1 or
NPE-G2, I/O controllers do not use bandwidth or bandwidth points."

Look at Table 1-2

...Skeeve

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On Tue, Mar 27, 2012 at 16:18, Graeme Allen <gallen at mytelecom.com.au> wrote:
> The C7200-I/O-GE+E does burn the bandwidth points, so with that in, you can
> only have 1 more "high speed" card on the other bus....
> 
> 
> On 27/03/12 16:07, shthead wrote:
>> On 27/03/2012 1:00 PM, McDonald Richards wrote:
>>> Just remember to try and use the GE ports on the NPE module instead
>>> of the ones on the PCI bus if you care about performance.
>> On that note you can use the C7200-I/O-GE+E to get an extra gig port
>> without using and B/W points on the PCI bus (its compatible with the
>> G1, I'm not sure about the G2, but I can't see anything saying its
>> not). It may work out cheaper than buying a PA-GE card as well.
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