Thanks for reply. Below information was what I got after run sh logging command. Link up is there.
Trap logging: level notifications, 1909 message lines logged
Logging to 192.168.0.51 (udp port 514, audit disabled,
authentication disabled, encryption disabled, link up),
673 message lines logged,
0 message lines rate-limited,
0 message lines dropped-by-MD,
xml disabled, sequence number disabled
filtering disabled
kiwi systlog configuration file was attached. Please take a look.
Thank you again.