[c-nsp] ASR920 vs ISR4000

[Nick Hilliard]

On 22/09/2015 14:38, Chuck Church wrote:
> Unless your QOS requires shaping, it seems like an L3 switch like a 3560
> would work.

wouldn't recommend this if there is any requirement for qos.  The 3560 port
buffers are too small to allow qos to work properly, particularly for
subrate interfaces.

An ISR4K series box would be better for this requirement.

Nick

> Chuck
> 
> -----Original Message-----
> From: cisco-nsp [mailto:cisco-nsp-bounces at puck.nether.net] On Behalf Of
> Michael Malitsky
> Sent: Monday, September 21, 2015 8:53 PM
> To: cisco-nsp at puck.nether.net
> Subject: [c-nsp] ASR920 vs ISR4000
> 
> I need to upgrade the edge router for one of my deployments.  Current 2811
> is not expected to support the new WAN links.  I need 4-5 ports (copper is
> fine), aggregate throughput up to 125Mb (not accounting for future growth),
> BGP with 3-5 peers and <100 routes, and QoS.  I don't ever expect to support
> telephony or MPLS.  Cisco's suggestion is to use an ISR4331.
> 
> The question is whether I should also consider an ASR920 for this role?
> I've seen it mentioned on this list a few times.  It looks like both will
> fill my basic requirements, price points are similar, and both run IOS-XE.
> The ISR's performance is capped at 300Mb, and I can add a small number of
> ports.  The ASR's performance is essentially unlimited, and I can add more
> ports (by purchasing licenses).  The ISR will do encryption if I ever need
> it, in software only, and the ASR will not.
> 
> Are there any major differences I am missing?  Any first-hand experiences
> would be especially appreciated.
> 
> Sincerely,
> Michael
> 
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