On 9/23/2015 2:24 AM, Tony via cisco-nsp wrote:
Both of those options are quite probably overkill for what you've described. If
a 2811 is currently doing what you need in the deployment and the only change
is an increase in speed, just go with the next step up. For what you've
described a 2911 would easily fit what you want and I imagine it would be a lot
cheaper than either ISR4000 or ARS920. Depends whether you want something new
and shiny or something that will just get the job done. If you want to purchase
a router now for some future upgrade, then you'd have to take a stab at what
you think the upgrade might be and when you think it might happen and then
purchase something that you think might be sufficient for that.
----
Actually price-wise the 4331s are very close in cost to a 2921, and for
most workloads, significantly higher performance. Looking at Cisco's
last several generations of branch routers, the performance of the
next-gen model one step down is about the same as the previous
generation. So a 2921->4331 for the same price, or a 4321 for the same
performance level and less money.
Unless you're buying on the used market or have a very specific need for
something only available in the ISR G2 platform, I'd be looking at the
ISR 4Ks as a replacement. I wouldn't be surprised to hear the ISR G2s
get announced for EOL in the next 6-12 months looking at Cisco's
previous release cycles for branch routers.
Jeremy "TheBrez" Bresley
b...@brezworks.com
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