[AusNOG] 7301 Broadband Aggregation?

[Brad Gould]

The 3x GE on the G1 is about right - two uplinks and a customer facing port.

You'll run out of CPU before bandwidth.

Brad


On 27/03/2012 4:11 PM, McDonald Richards wrote:
> 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
> <mailto:skeeve+ausnog at eintellego.net>>
> Date: Tue, 27 Mar 2012 16:36:08 +1100
> To: Graeme Allen <gallen at mytelecom.com.au <mailto:gallen at mytelecom.com.au>>
> Cc: "ausnog at lists.ausnog.net <mailto:ausnog at lists.ausnog.net>"
> <ausnog at lists.ausnog.net <mailto: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
>
> *Skeeve Stevens, CEO*
>
> eintellego Pty Ltd
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>
> On Tue, Mar 27, 2012 at 16:18, Graeme Allen <gallen at mytelecom.com.au
> <mailto: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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-- 
Brad Gould, Network Engineer
Internode
PO Box 284, Rundle Mall 5000
Level 5, 150 Grenfell Street, Adelaide 5000
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bradley at internode.com.au; http://www.internode.on.net/