Forum Discussion
Sarah_258804
Cirrus
CirrusCan I change the default ephemeral ports that the F5 uses for health monitoring?
Currently I see that my F5 is reaching out to the servers in my server pools on low ephemeral ports for health monitoring. For example, I have a health monitor for DNS so that the F5 reaches out to t...
ekaleido_26616
Cirrocumulus
CirrocumulusSame as you would on a linux host:
echo "49152 65535" > /proc/sys/net/ipv4/ip_local_port_range
Sarah_258804Cirrus
CirrusI ran that command on each F5 but am still seeing it try to communicate on 43900 and lower. Do I need to perform a system reboot for the changes to take effect, or something of that nature?