From f16ea39889c0fd65f3e533cf40cc3a0a33ac1c33 Mon Sep 17 00:00:00 2001 From: Dirk Engling Date: Tue, 3 Nov 2026 06:02:47 +0100 Subject: Let a user pick their cluster's own multicast group --- man5/opentracker.conf.5 | 13 ++++++++++++- 1 file changed, 12 insertions(+), 1 deletion(-) (limited to 'man5/opentracker.conf.5') diff --git a/man5/opentracker.conf.5 b/man5/opentracker.conf.5 index 67e624f..9a836ae 100644 --- a/man5/opentracker.conf.5 +++ b/man5/opentracker.conf.5 @@ -79,7 +79,18 @@ Specifies the path to the stats location. You can configure opentracker to appea Specifies the IP address or network of the reverse proxies. Opentracker will take the X-Forwarded-For address instead of the source IP address. Can be added more than once. .Pp .It livesync.cluster.listen Ar ip_address:port -Specifies the IP address and port opentracker will listen on for incoming live sync packets to keep a cluster of opentrackers synchronized. +Specifies the IP address and port opentracker will listen on for incoming live +sync packets to keep a cluster of opentrackers synchronized. Every member of a +cluster has to agree on the port, which is also the one packets are sent to. +.Pp +.It livesync.cluster.group Ar ip_address +Specifies the multicast group a cluster talks in. For reaosns of backwards +comaptibility with legacy trackers, it defaults to 224.0.23.5, which, +technically sits in a range IANA assigns on request. + +A cluster of its own is better served by an address out of 239.192.0.0/14, +which RFC 2365 sets aside for private use. Packets carry a ttl of 1 either +way and never leave the local link. .Pp .It livesync.cluster.node_ip Ar ip_address Specifies one trusted IP address for sync between trackers running in a cluster. Can be added more than once. -- cgit v1.3