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Merge pull request #933 from nicolas-fort/vrrp_global_opts

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VRRP: add global option startup_delay and garp settings
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Robert Göhler 2023-01-26 10:12:31 +01:00 committed by GitHub
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docs/configuration/highavailability/index.rst
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@ -220,6 +220,70 @@ Verification
inet 172.25.0.247/16 scope global eth0v10
valid_lft forever preferred_lft forever
Global options
--------------
On most scenarios, there's no need to change specific parameters, and using
default configuration is enough. But there are cases were extra configuration
is needed.
.. cfgcmd:: set high-availability vrrp global-parameters startup_delay <1-600>
This option specifies a delay in seconds before vrrp instances start up after
keepalived starts.
Gratuitous ARP
--------------
These configuration is not mandatory and in most cases there's no
need to configure it. But if necessary, Gratuitous ARP can be configured in
``global-parameters`` and/or in ``group`` section.
.. cfgcmd:: set high-availability vrrp global-parameters garp interval
<0.000-1000>
.. cfgcmd:: set high-availability vrrp group <name> garp interval
<0.000-1000>
Set delay between gratuitous ARP messages sent on an interface. 0 if not
defined.
.. cfgcmd:: set high-availability vrrp global-parameters garp master-delay
<1-255>
.. cfgcmd:: set high-availability vrrp group <name> garp master-delay
<1-255>
Set delay for second set of gratuitous ARPs after transition to MASTER. 5 if
not defined.
.. cfgcmd:: set high-availability vrrp global-parameters garp master-refresh
<1-600>
.. cfgcmd:: set high-availability vrrp group <name> garp master-refresh
<1-600>
Set minimum time interval for refreshing gratuitous ARPs while MASTER. 0 if
not defined, which means no refreshing.
.. cfgcmd:: set high-availability vrrp global-parameters garp
master-refresh-repeat <1-600>
.. cfgcmd:: set high-availability vrrp group <name> garp
master-refresh-repeat <1-600>
Set number of gratuitous ARP messages to send at a time while MASTER. 1 if not
defined.
.. cfgcmd:: set high-availability vrrp global-parameters garp master-repeat
<1-600>
.. cfgcmd:: set high-availability vrrp group <name> garp master-repeat
<1-600>
Set number of gratuitous ARP messages to send at a time after transition to
MASTER. 5 if not defined.
Scripting
---------