NSM(8) System Manager's Manual NSM(8) (NAME) nsm - (NetSync Monitor) (SYNOPSIS) nsm [ -f config ] [ -i interface ] [ long-options ] [ command ] ... (DESCRIPTION) nsm NetSync Monitor ( NSM) . NSM (PTP) (offset) PTP NSM . (unicast) PTP . . . (COMMANDS) NSM address NetSync Monitor (IPv4 MAC) . help . (OPTIONS) -f config . . -i interface . -h . -v . (LONG OPTIONS) ( PORT OPTIONS PROGRAM OPTIONS ) <<>> (long) . transportSpecific : --transportSpecific 1 --transportSpecific=1 ([global]) ( ). (CONFIGURATION FILE) . . . # . ( [global]) . . ( [eth0]). (PORT OPTIONS) active_key_id spp sa_file (Security Association) spp icv . sa_file . spp sa_file . 2^32-1 ( ) . 0 () . delayAsymmetry . (master-to-slave) (slave-to-master) . 0 . network_transport . UDPv4 L2 . UDPv4 . spp (Security Parameters Pointer) Authentication TLV . spp Authentication TLV sa_file Authentication TLV . Authentication TLV active_key_id . (one step) PTPv2.1 . sa_file active_key_id . 0 255 ( ) . -1 () . transportSpecific . 0 255 . 0 . (PROGRAM OPTIONS) domainNumber (domain attribute) . 0 . sa_file (Security Associations) Authentication TLV ieee1588-2019 14.16 . SECURITY ASSOCIATION OPTIONS ptp4l . spp active_key_id sa_file . . time_stamping (time stamping). hardware software legacy. hardware . (WARNING) ptp4l nsm . . ptp4l nsm ( ptp4l) nsm . . ptp4l nsm . (SEE ALSO) ptp4l(8) linuxptp March 2024 NSM(8)