Name
opa-arptbl-tuneup — Adjusts kernel ARP/neighbor table sizes for very large subnets based on configured IPv4/IPv6 network interface netmask values.
Syntax
opa-arptbl-tuneup [start | stop | restart | force-reload | status]
Description
Normally, this command executes once on boot by opa.service; however, opa-arptbl-tuneup can be invoked with user discretion for a changed subnet configuration.
Note
Must execute as root.
Options
--helpProduces full help text.
startAdjusts kernel ARP table size.
stopRestores previous configuration.
restartStops then starts.
force-reloadStops then starts. (Identical to
restartoption.)statusChecks if original table size was changed.