Hi,
I am facing the problem, that my gmond udp_send_channels sends via the wrong
network interface on a multi homed linux machine.
The machines have a front NIC and an backend NIC. Both IPs from the NICs get
resolved by the name service, but the primary IP's dns name is the system's
hostname (with an IP address out of 62.48.x.x)
In my clients gmond.conf I have set:
udp_send_channel {
bind_hostname = yes # Highly recommended, soon to be default.
# This option tells gmond to use a source address
# that resolves to the machine's hostname. Without
# this, the metrics may appear to come from any
# interface and the DNS names associated with
# those IPs will be used to create the RRDs.
host = 10.0.11.16
port = 8649
ttl = 1
}
whereby 10.0.11.16 is the backend network.
But this gmond seems to ignore to use 10.0.11.16 and sends via the primary IP
adress 62.48.x.x to the udp_receive_channel locatet on another host. A firewall
between send_channel and receiver channel machines using 62.48.x.x is blocking
that traffic. I can't currently open the firewall.
What should I do to let gmond communicate exclusively via the 10.0.11.x network?
I am running ganglia 3.1.7.
Thanks in advance,
Ronny
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