[pfSense] High CPU Usage

[Tom S]

-----Original Message-----
From: list-bounces at lists.pfsense.org [mailto:list-bounces at lists.pfsense.org]
On Behalf Of Chris Buechler
Sent: Sunday, February 26, 2012 8:40 AM
To: pfSense support and discussion
Subject: Re: [pfSense] High CPU Usage

 

On Sun, Feb 26, 2012 at 1:31 AM, Tom S < <mailto:pfsense-list at y-tech.co.il>
pfsense-list at y-tech.co.il> wrote:

> Hi all,

> 

> 

> 

> I have 2 PFSense servers, running Active/Passive.

> 

> On the active server I hit most of the time 50-80 percent CPU, 

> sometimes peaks to 100.

> 

> Nothing special is active on the server except routing and filtering 

> (basic, layer 3/4).

> 

> When I look in TOP I can see on peak hours that I have lots of 

> interrupts on the NICS, especially the one with VLANS on it (15 Vlans).

> 

 

That's what happens when you have higher traffic levels, especially with
significant VLAN to VLAN routing, it's probably normal. How much traffic in
Mbps and pps are you seeing? Sum of all interfaces. Check the RRD graphs.

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