[c-nsp] 4900M vs. 4503 for core

[Andrew Gabriel]

Are you talking about using the twin-gig connectors to provide 1 G uplinks?
Nothing wrong with that but its pretty expensive by comparison to a regular
gig SFP.


Regards,
Andrew Gabriel.




On Thu, Jan 28, 2010 at 12:12 AM, Jason Gurtz <jasongurtz at npumail.com>wrote:

> We are doing a long overdue redesign of our network as part of a voip
> implementation, hopefully ending up with a collapsed core w/routed access
> layer.  A consultant has proposed the 4507 as access switches and a pair
> of 3750-E switches as the core.  The 3750-E seems a strange choice to me
> for a few reasons and I'm thinking a pair of 4900M or 4503 switches would
> be a better fit looking forward.
>
> We are a smaller shop (7 access switches including the datacenter) with
> 100Mb desktops and a mix of 100/1000 for servers.  Switch-to-switch trunks
> are 1Gb.  The number of access switches is very unlikely to change and we
> could, in the future move to a 10Gb.  The 4900M solution would save a
> non-trivial amount over 4503 with Sup6.
>
> Is there anything glaringly wrong with choosing the 4900M using twin-gig
> based connections to the access layer over the 4503 Sup6 and 46xx line
> cards in our situation?
>
> ~Jason
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