From 51a81fdbfd166248e2c13c4e121176895880d95e Mon Sep 17 00:00:00 2001 From: aapostoliuk <108394744+aapostoliuk@users.noreply.github.com> Date: Tue, 29 Apr 2025 16:35:29 +0300 Subject: failover: Added additional information about health checks (#1629) Added additional information about health checks --- docs/configuration/protocols/failover.rst | 9 +++++++-- 1 file changed, 7 insertions(+), 2 deletions(-) (limited to 'docs/configuration/protocols') diff --git a/docs/configuration/protocols/failover.rst b/docs/configuration/protocols/failover.rst index 8088e104..651fc5c3 100644 --- a/docs/configuration/protocols/failover.rst +++ b/docs/configuration/protocols/failover.rst @@ -3,7 +3,7 @@ Failover ######## Failover routes are manually configured routes, but they only install -to the routing table if the health-check target is alive. +to the routing table as kernel routes if the health-check target is alive. If the target is not alive the route is removed from the routing table until the target becomes available. @@ -28,7 +28,12 @@ Failover Routes .. cfgcmd:: set protocols failover route next-hop
check type - Defines protocols for checking ARP, ICMP, TCP + Defines protocols for checking ARP, ICMP, TCP. +* ICMP probe sends 2 ICMP request packets with a response timeout of 1 second. + If one ICMP response is received, the health check is successful. +* ARP probe sends 2 ARP requests with a response timeout of 1 second. + If one response is received, the health check is successful. +* TCP probe checks whether the destination port is open. Default is ``icmp``. -- cgit v1.2.3