On Thu, 14 Jun 2018, Maupertuis Philippe wrote:
Hi, We have a load balancer (lvs+Keepalived) which is used to receive logs on four real server. The logs are received in TCP and it's fine. Now we are requested to add udp logs and I am not sure how to do that. If someone could explain me what the lvs configuration should be for udp I would be very grateful.
you would probably be better off asking ona lvs list
If there any way to check if one server is down ?
not directly, you would have to check on the server if logs are arriving
Should I just scrap the check altogether ? From a Rsyslog point of view is there any change for a message received in UDP through a load balancer ?
no change in the message
Are fromhost and fromhostip the value of the real sender ?
that depends how the load balancer is setup. If it is doing NAT or otherwise changing the source IP on the packet that arrives to rsyslog, then fromhost* will change.
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