KD-SWCORE-3850#sh run | include log
service timestamps log datetime msec localtime show-timezone
hw-switch switch 1 logging onboard message level 3
hw-switch switch 2 logging onboard message level 3
logging source-interface Vlan12 // cau hinh nguon cap
logging trap 3
logging host 10.1.16.54
logging host 10.1.16.23
logging host 10.1.16.55
login local
login
KD-SWCORE-3850#