We have some web security appliances connected via 1Gb/s copper to 6748
Line cards in a Cat 6513 with Sup720. The appliance manufacturer assures us
the appliances can cope with traffic well above 800Mb/s (The traffic is
always equal in both directions)
We have previously seen traffic levels
[mailto:cisco-nsp-boun...@puck.nether.net] On
Behalf Of Dean Smith
Sent: Saturday, January 28, 2012 6:40 AM
To: cisco-nsp@puck.nether.net
Subject: [c-nsp] Outbound drops on 6748
We have some web security appliances connected via 1Gb/s copper to 6748
Line cards in a Cat 6513 with Sup720
On Sat, Jan 28, 2012 at 4:45 PM, Matthew Huff mh...@ox.com wrote:
You are likely hitting microbursts. The traffic levels you state are measured
over an interval (30 seconds minimum probably). During peak activity you can
easy overrun the buffers on the 6748 if your upstream data is coming
, January 28, 2012 12:39 PM
To: cisco-nsp@puck.nether.net
Cc: Matthew Huff
Subject: Re: [c-nsp] Outbound drops on 6748
On Sat, Jan 28, 2012 at 4:45 PM, Matthew Huff mh...@ox.com wrote:
You are likely hitting microbursts. The traffic levels you state are
measured over an
interval (30
On Sat, Jan 28, 2012 at 6:42 PM, Matthew Huff mh...@ox.com wrote:
Cisco Nexus 3000 Series switches. They came out to compete with Arista in the
HFT world, but are useful anywhere latency and/or bursting is an issue:
http://www.cisco.com/en/US/products/ps11541/index.html
Nexus 3000 have 9MB
at Arista.
-Original Message-
From: Robert Hass [mailto:robh...@gmail.com]
Sent: Saturday, January 28, 2012 12:52 PM
To: Matthew Huff
Cc: cisco-nsp@puck.nether.net
Subject: Re: [c-nsp] Outbound drops on 6748
On Sat, Jan 28, 2012 at 6:42 PM, Matthew Huff mh...@ox.com wrote:
Cisco
Message-
From: Matthew Huff [mailto:mh...@ox.com]
Sent: 28 January 2012 15:45
To: 'Dean Smith'; 'cisco-nsp@puck.nether.net'
Subject: RE: [c-nsp] Outbound drops on 6748
What is the type of data? Is it bursty? Is the data coming from an bigger
pipe upstream?
You are likely hitting microbursts
Smith [mailto:d...@eatworms.org.uk]
Sent: Saturday, January 28, 2012 2:27 PM
To: Matthew Huff; cisco-nsp@puck.nether.net
Subject: RE: [c-nsp] Outbound drops on 6748
Its user web browsing (no multicast) and the flow is :-
Clients - ACE (load Balance)- 6748 - Appliance - 6748 - 6708
Smith [mailto:d...@eatworms.org.uk]
Sent: Saturday, January 28, 2012 2:27 PM
To: Matthew Huff; cisco-nsp@puck.nether.net
Subject: RE: [c-nsp] Outbound drops on 6748
Its user web browsing (no multicast) and the flow is :-
Clients - ACE (load Balance)- 6748 - Appliance - 6748 - 6708