nield (Network Interface Events Logging Daemon) is a tool that receives notifications from the kernel through the netlink socket, and generates logs related to interfaces, neighbor cache (ARP,NDP), IP address (IPv4,IPv6), routing, FIB rules, traffic control.It can be configured using command-line options.
the following options are supported.
Displays the version and exit.
Displays the usage and exit.
Specifies the log file to use. Default is "/var/run/nield.log", if not specified.
Specifies the maximum socket receive buffer in bytes.
It uses the log file "/var/log/nield.log", if neither "-l" nor "-L" specified.
Specifies the log file to use.
Specifies the facility to use logging events via syslog.
The standard syslog facilities are as follows:
auth, authpriv, cron, daemon, ftp, kern, lpr, mail, mark, news, security, syslog,
user, uucp, local0, local1, local2, local3, local4, local5, local6, local7
Specifies the debug file to use.