Besides monitoring the 6 interfaces on my PIX, I also monitor CPU utilization,
memory used & free, Memory block usage (4, 80, 256, 1550 bytes) and
connections. I also graph uptime on all my devices so I can keep track of when
it was restarted. The number of connections can be larger than the number of
users that you have on the network. When a page is requested from the
internet, the browser then starts requesting any other pages or images
referenced on the page. I have about 1600 users on my network and I know not
all of them are using the internet at once, but usually during lunch I have
around 2000 to 3000 connections.
The Blue line on your graph will only get higher, until the PIX is restarted,
since it represents the maximum number of instantaneous connections. The Green
area is the number of current connections at the time that MRTG queried for the
data. That is why the green area might not get as high as the blue line.
Michael Wren
Senior Network Analyst
Burns & McDonnell Engineering
P.O. Box 419173
Kansas City, MO 64141-6173
[EMAIL PROTECTED]
816-822-3160
>>> "Brad Covell" <[EMAIL PROTECTED]> 07/30/2003 8:46:42 AM >>>
Content-Type: text/plain;
charset="us-ascii"
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Has anyone monitored a cisco 515e pix firewall? I got a couple of OIDs
to monitor the memory and cpu usage of the firewall. But I also got the
OID below off of this list to monitor the number of Pix connections.
I've been monitoring the firewall for a couple of weeks but haven't been
able to find out what exactly the graph from this target is monitoring.
The green is suppose to be the number of pix user connections but we
don't have even close to 300 employees and the blue looks off too. So
I'm wondering what exactly I am monitoring here because to me at least
it doesn't look like the number of connections. Can anyone help?
Thanks
Brad
=20
=20
day
Max Current=20
1050.0 B/s=20
=20
Average Current=20
108.0 B/s=20
=20
Current Current=20
154.0 B/s=20
Max Max=20
1138.0 B/s=20
=20
Average Max=20
772.0 B/s=20
=20
Current Max=20
1138.0 B/s=20
GREEN ###
PIX User Connections
BLUE ###
Max Connections since reboot
DARK GREEN###
Max value/interval on graph
MAGENTA###
.
=09
=20
Target[<IP
Address>_cnx]:1.3.6.1.4.1.9.9.147.1.2.2.2.1.5.40.6&1.3.6.1.4.1.9.9.147.1
.2.2.2.1.5.40.7:<community>@ipaddr
YLegend[<IP Address>_cnx]: Connections
ShortLegend[<IP Address>_cnx]:
MaxBytes[<IP Address>_cnx]: 10000
Options[<IP Address>_cnx]: nopercent, gauge, unknaszero
Unscaled[<IP Address>_cnx]: y
Legend1[<IP Address>_cnx]: PIX User Connections
Legend2[<IP Address>_cnx]: Max Connections since reboot
Legend3[<IP Address>_cnx]: Max value/interval on graph
Legend4[<IP Address>_cnx]: .
LegendI[<IP Address>_cnx]: Current
LegendO[<IP Address>_cnx]: Max
Title[<IP Address>_cnx]: PIX Connections
PageTop[<IP Address>_cnx]: <H1>Connections - Dummy Entry</H1>
WithPeak[<IP Address>_cnx]: ymw
=20
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