Dell S4112F Open Networking Hardware Diagnostic Guide December 2021 - Page 49
CPU traffic with external loopback
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CPU traffic with external loopback Tests the traffic sent from the CPU internally generated packet to the front-end ports that are connected with external Loopback optics. Connect all the ports with QSFP28 Loopback optics. ● nputool -i -t 1 -T cpu_self ● nputool --init --test 1 --traffic cpu_self root@dell-diag-os:/opt/dellemc/diag/bin# nputool -i -t 1 -T cpu_self DMA pool size: 16777216 PCI unit 0: Dev 0x8375, Rev 0x11, Chip BCM88375_B0, Driver BCM88375_B0 sysconf_probe successful global_sal_config successful *** 1 BCM devices are detected Diag NPU initialization over Test link_status_test for NPU 0 SKIPPED
CPU traffic with external loopback
Tests the traffic sent from the CPU internally generated packet to the front-end ports that are connected with external
Loopback optics.
Connect all the ports with QSFP28 Loopback optics.
●
nputool -i -t 1 -T cpu_self
●
nputool --init --test 1 --traffic cpu_self
root@dell-diag-os:/opt/dellemc/diag/bin# nputool -i -t 1 -T cpu_self
DMA pool size: 16777216 PCI unit 0: Dev 0x8375, Rev 0x11, Chip BCM88375_B0,
Driver BCM88375_B0 sysconf_probe successful global_sal_config successful ***
1 BCM devices are detected Diag NPU initialization over
Test link_status_test for NPU 0
.............
SKIPPED <<<---
Test snake_traffic_test for NPU 0
...........
Passed
Test prbs_mac_test for NPU 0
................
SKIPPED <<<---
Test prbs_ext_test for NPU 0
................
SKIPPED <<<---
Test uplink_link_status_test for NPU
0
....
SKIPPED <<<---
Test uplink_snake_traffic_test for NPU 0
....
SKIPPED <<<---
Test uplink_prbs_mac_test for NPU
0
....
SKIPPED <<<---
Test uplink_prbs_ext_test for NPU 0
.........
SKIPPED <<<---
NPU tests
...................................
Passed
root@dell-diag-os:~# nputool --init --test 1 --traffic cpu_self
DMA pool size: 16777216 PCI unit 0: Dev 0x8375, Rev 0x11, Chip BCM88375_B0,
Driver BCM88375_B0 sysconf_probe successful global_sal_config successful ***
1 BCM devices are detected Diag NPU initialization over
Test link_status_test for NPU 0
.............
SKIPPED <<<---
Test snake_traffic_test for NPU 0
...........
Passed
Test prbs_mac_test for NPU 0
................
SKIPPED <<<---
Test prbs_ext_test for NPU 0
................
SKIPPED <<<---
Test uplink_link_status_test for NPU 0
......
SKIPPED <<<---
Test uplink_snake_traffic_test for NPU 0
....
SKIPPED <<<---
Test uplink_prbs_mac_test for NPU 0
.........
SKIPPED <<<---
Test uplink_prbs_ext_test for NPU 0
.........
SKIPPED <<<---
NPU tests
...................................
Passed
CPU traffic with adjacent loopback
Tests the traffic sent from the CPU internally generated packet to the front-end ports which are connected with direct attach
cables (DACs) or optics with cables connected top-to-bottom.
Connect all the ports with DACs or 40G/100G optics with cables.
●
nputool -i -t 1 -T cpu_adj
●
nputool --init --test 1 --traffic cpu_adj
root@dell-diag-os:~# nputool -i -t 1 -T cpu_adj
DMA pool size: 16777216
PCI unit 0: Dev 0x8375, Rev 0x11, Chip BCM88375_B0, Driver BCM88375_B0
sysconf_probe successful
global_sal_config successful
***
1 BCM devices are detected
Diag NPU initialization over
Test link_status_test for NPU 0
............
SKIPPED <<<---
Test snake_traffic_test for NPU 0
............
Passed
Test prbs_mac_test for NPU 0
............
SKIPPED <<<---
Test prbs_ext_test for NPU 0
............
SKIPPED <<<---
Test uplink_link_status_test for NPU 0
............
SKIPPED <<<---
Test uplink_snake_traffic_test for NPU 0
............
SKIPPED <<<---
Test uplink_prbs_mac_test for NPU 0
............
SKIPPED <<<---
Test uplink_prbs_ext_test for NPU 0
............
SKIPPED <<<---
NPU tests
..........................................
Passed
root@dell-diag-os:~#
root@dell-diag-os:~# nputool -init -test
1 -traffic
cpu_adj
DMA pool size: 16777216
PCI unit 0: Dev 0x8375, Rev 0x11, Chip BCM88375_B0, Driver BCM88375_B0
sysconf_probe successful
global_sal_config successful
***
1 BCM devices are detected
Diag NPU initialization over
Dell EMC DAIG-OS tools
49