[AusNOG] Cisco 3750-X vs 3850

[Brad Peczka]

A 3850 is hardly just a 3750X, Skeeve.

The stacking architecture on the 3850-series switches has been radically overhauled when compared to the 3750X. It has vastly superior stack bandwidth (480Gbps compared to 64Gbps) and features SSO across the stack - so if you cable it correctly and a switch dies, another one takes over and the stack keeps running without a drop.

3850s have bigger flash, more queues per port, QoS using MQC and not MLS, and support NetFlow!

IMHO - if you're buying new switches, there is no case where you would buy a 3750X over a 3850 unless you're trying to expand an existing stack.

Regards,
-Brad.
________________________________________
From: AusNOG [ausnog-bounces at lists.ausnog.net] On Behalf Of Skeeve Stevens [skeeve+ausnog at eintellegonetworks.com]
Sent: Thursday, 22 May 2014 1:24 PM
To: P. D. Castle
Cc: ausnog at ausnog.net
Subject: Re: [AusNOG] Cisco 3750-X vs 3850

I think if you don't use wireless in the deployment context, then these are just 3750X's.


...Skeeve

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On Thu, May 22, 2014 at 2:55 PM, P. D. Castle <peter at castle.on.net<mailto:peter at castle.on.net>> wrote:

Hi All,

We have an environment with a large quantity of 3750-Xs (several PoE and non-PoE variants) is use as access switches. For a separate server access segement I've now had quotes for 3850s. The literature looks attractive, not that we need the extra 10GE capacity or wlan controller yet but I'm wondering if it is worthwhile starting down the 3850 path.

Has anyone had some experience with these in production as yet and any shortfalls/issues I should be aware of? Strictly ip-base at present.

Cheers,
Peter

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