Please enable reliable syslog on the sending side of syslog.First enable
the service (set status enable), then you can enable the reliable mode
(set reliable enable). config log syslogd setting set status enable set
reliable enableend
You can either use port forwarding and redirect ports as you like and
even multiple source/destination ports per IP-address pair or you can
forward all ports for an ip pair, but then you can't control the ports
individually. Your use case looks very ...