[c-nsp] Output drops on 2960

[James]

I have deployed 3850s to several customers and they haven't reported any 
issues so far.
  
 They have been deployed at the access layer at some of our larger 
customers.  We have a few sites that have the IP Base version running EIGRP 
stub in a layer 3 access design.  Again, no issues so far.
  
 Side note:
  
 You might find this useful:
 http://people.ucsc.edu/%7Ewarner/buffer.html 
  
  
  
 James  
  

----------------------------------------
 From: "John Gaffney" <jgaffney at nan.com>
Sent: Friday, February 5, 2016 2:03 PM
To: "Mack McBride" <mack.mcbride at viawest.com>, "Nick Cutting" 
<ncutting at edgetg.co.uk>, "Tom Hill" <tom at ninjabadger.net>
Cc: "cisco-nsp at puck.nether.net" <cisco-nsp at puck.nether.net>
Subject: Re: [c-nsp] Output drops on 2960   
We do have a few of those out the in field and they are solid switches. Not 
a bad thought. Looking at the buffer size table looks like its much fatter 
than the 2960..

The 3850 and 3650 seem like OK middle ground. Anybody deploy those? They 
decent?

Thanks,

John

-----Original Message-----
From: Mack McBride [mailto:mack.mcbride at viawest.com]
Sent: Friday, February 5, 2016 1:37 PM
To: John Gaffney <jgaffney at nan.com>; Nick Cutting <ncutting at edgetg.co.uk>; 
Tom Hill <tom at ninjabadger.net>
Cc: cisco-nsp at puck.nether.net
Subject: RE: [c-nsp] Output drops on 2960

4948Es are pretty good if you need 10/100/1000.
They are also relatively cheap and can be bought used at a good discount.
If you don't need 10/100 then the Nexus 9300 series has a shared 50Mbyte 
buffer.
But they are relatively pricey and new so used is not really available.

Mack McBride | Senior Network Architect | ViaWest, Inc.
O: 720.891.2502 | C: 303.720.2711 | mack.mcbride at viawest.com | 
www.viawest.com

-----Original Message-----
From: cisco-nsp [mailto:cisco-nsp-bounces at puck.nether.net] On Behalf Of 
John Gaffney
Sent: Friday, February 05, 2016 10:46 AM
To: Nick Cutting; Tom Hill
Cc: cisco-nsp at puck.nether.net
Subject: Re: [c-nsp] Output drops on 2960

This looks like a great guide.

Looks like I'll be working to replace the switch with something with more 
power. Any body have a recommendation for a switch with some bigger buffers 
and 2x 10G uplinks? Need at least 12 Gig ports.

Thanks,

John

-----Original Message-----
From: cisco-nsp [mailto:cisco-nsp-bounces at puck.nether.net] On Behalf Of 
Nick Cutting
Sent: Friday, February 5, 2016 11:00 AM
To: Tom Hill <tom at ninjabadger.net>
Cc: cisco-nsp at puck.nether.net
Subject: Re: [c-nsp] Output drops on 2960

I use this list for switch buffers - seems pretty accurate to me:

http://people.ucsc.edu/~warner/buffer.html

-----Original Message-----
From: cisco-nsp [mailto:cisco-nsp-bounces at puck.nether.net] On Behalf Of Tom 
Hill
Sent: 05 February 2016 15:54
Cc: cisco-nsp at puck.nether.net
Subject: Re: [c-nsp] Output drops on 2960

On 05/02/16 15:45, Nikolay Shopik wrote:
>> > Though, I've not seen anything mentioned in regards to the newer 
3650/3850.
> These have double amount of shared memory compare to what 2960S/3560X
> have

Good to know!

--
Tom
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