If you know the IP address or name of a node and you want to find out its ACNET node information, you can use the following simple command on any CLX node. $ acl node_info {IP address or name} Here is an example: $ acl node_info 131.225.127.19 Node: SWIC swic.fnal.gov 131.225.127.19 ACNET trunk: 10 ACNET node: 23 Description: SWIC controller switchyard Location: Switchyard SB SSB-2RR-40 Keeper: Jianming You (YOUJ) Email: youj@fnal.gov Front end: TRUE Open Access Front End: FALSE Central: FALSE System: SWIC Hardware: VME OpSys : VxWorks Software: MOOC Status: Operational Area : Switchyard Read device : S:SWCGUA Set device : S:SWCGUA Time of day : Uptime device : Download device: S:SWCDNL Reboot device: U:RBTA17 Version device: Supports alarms: TRUE Supports FTP: TRUE Supports TCLK: TRUE Supports GETS32: FALSE Big packets : TRUE Send tables : TRUE Alarm list : None ACNET version : 1.27 MOOC Version : 3.8 Up/Down status : Up URL: https://www-bd.fnal.gov/controls/micro_p/swic_front_end.html