General question to developers:
which are usually problems which make PF sense failover to anoter unit?
Can an intense CRC problem cause a failover, or only a link down state
can make this happen?
Tonino
frankie wong ha scritto:
Dear all,
I have found pfsense a very nice opensource firewall since
half-an-year ago.
After intensive digging at google and testing, i had decided to
migrate the firewall to pfsense.
And it always looks good, failover are always smooth and without
service interruption.
However problem arise since a month ago, i had found the firewall will
automatically failover to the standby pfsense...
This won cause any interruption to the service, so i may notice at
after daily check...
It always failover in the busiest time when the bandwidth usage
suddenly surge for 2xMB in a minute.
I have used to switch on ntop for monitoring the server usage and it
eat up almost half of the CPU usage, so i decide to turn it off but it
is no luck.....
Here are the detail of my firewall configuration.
Hardware : PE 1950 with 4GB of RAM
Pfsense version : 1.2 RELEASE
Bandwidth usage: 20Mbit/s at non business hour, will surge to 60
Mbit/s during business hour
CPU Usage : Under 10 % with ntop switch off
CARP VIP : over 150
I had search through the forum and mailing list and i think it it
relativly "small" scale.
And i suspect the problem are cause by the CARP??, coz i only got
about 100 VIP only half-an-year ago.
How is the mechanise of pfsense for monitoring the link status?
Thanks all for reading and hope i may be able to find some help to
find the cause of this problem.
Regards,
Frankie
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