Hi everyone, I got the following setup of a GM->BC1->BC2->BC3->OC
[P1 - GM - P0]--192.168.2.100---->>-----192.168.2.105--[P0 - BC1 - P1]--192168.1.104----->>------192.168.1.107--[P0 - BC2 - P1]--192.168.5.108------>>-------192.168.5.112--[P1 - BC3 - P0]---192.168.4.111-------->>------192.168.4.108--[P1 - OC - P0] I am using the following cfg on the GM [global] dataset_comparison G.8275.x G.8275.defaultDS.localPriority 128 masterOnly 1 G.8275.portDS.localPriority 128 hybrid_e2e 0 inhibit_multicast_service 1 unicast_listen 1 unicast_req_duration 60 announceReceiptTimeout 20 # # Customize the following for slave operation: # [unicast_master_table] table_id 1 logQueryInterval 2 UDPv4 192.168.2.100 # [P0] unicast_master_table 1 for BC1 I am using "ptp4l -i P0 -i P1" with the following cfg file [global] dataset_comparison G.8275.x G.8275.defaultDS.localPriority 128 G.8275.portDS.localPriority 128 hybrid_e2e 1 inhibit_multicast_service 1 unicast_listen 1 unicast_req_duration 60 announceReceiptTimeout 10 clock_type BC network_transport UDPv4 time_stamping hardware boundary_clock_jbod 1 # # Customize the following for slave operation: # [unicast_master_table] table_id 1 logQueryInterval 2 UDPv4 192.168.2.100 # [P0] unicast_master_table 1 for BC2 the same "ptp4l -i P0 -i P1" with the following cfg file with [global] dataset_comparison G.8275.x G.8275.defaultDS.localPriority 128 G.8275.portDS.localPriority 128 hybrid_e2e 1 inhibit_multicast_service 1 unicast_listen 1 unicast_req_duration 60 announceReceiptTimeout 10 clock_type BC network_transport UDPv4 time_stamping hardware boundary_clock_jbod 1 # # Customize the following for slave operation: # [unicast_master_table] table_id 1 logQueryInterval 2 UDPv4 192.168.1.104 # [P0] unicast_master_table 1 for BC3 also "ptp4l -i P0 -i P1" with the following cfg file with [global] dataset_comparison G.8275.x G.8275.defaultDS.localPriority 128 G.8275.portDS.localPriority 128 hybrid_e2e 1 inhibit_multicast_service 1 unicast_listen 1 unicast_req_duration 60 announceReceiptTimeout 10 clock_type BC network_transport UDPv4 time_stamping hardware boundary_clock_jbod 1 # # Customize the following for slave operation: # [unicast_master_table] table_id 1 logQueryInterval 2 UDPv4 192.168.5.108 # [P0] unicast_master_table 1 and for the OC the following cfg file [global] dataset_comparison G.8275.x G.8275.defaultDS.localPriority 128 masterOnly 0 G.8275.portDS.localPriority 128 hybrid_e2e 1 inhibit_multicast_service 1 unicast_listen 1 unicast_req_duration 60 announceReceiptTimeout 10 # # Customize the following for slave operation: # [unicast_master_table] table_id 1 logQueryInterval 2 UDPv4 192.168.4.111 # [P1] unicast_master_table 1 for whatever reason, I cannot got the more than 1 BC in cascade. On GM2 I tried to run tow separate threads; one ordinary clock facing BC1 and one as grandmaster facing BC3 which seems to solve the probelm. All my NIC card cards are the SFN7042Q two port with a single PHC. I am wondering why am I having trouble with running a single thread of the ptp4l as BC while running a pair of ptp4l treads (one ordinary facing up and one grandmaster facing) solves the problem. It woud be great if you can help me with the cfg file for a unicase ipv4 boundary clock. Thank you -- 73 With best wishes / Mit herzlichsten Grüßen Ahmad Byagowi, Ph.D., Dr. Techn., P.Eng. Phone: +1 (650) 924 6653 [image: 🌎] Please consider the environment before printing this e-mail.
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