Edit the “/etc/gmond.conf” file, and just copy the udp_send_channel section, one copy for every host, e.g.

udp_send_channel {
host = 10.11.x.x
port = 8649
ttl = 1
}

udp_send_channel {
host = 10.11.x.y
port = 8649
ttl = 1
}

udp_send_channel {
host = 10.11.b.z
port = 8649
ttl = 1
}