Connectivity Guide

Packet analysis
Use the Linux tcpdump command to analyze network packets. Use lters to limit packet collection and output. You must be logged into
the Linux shell to use this command. For more information, seeLog into OS10 Device.
Use the Linux tcpdump command without parameters to view packets that ow through all interfaces. To write captured packets to a le,
use the
-w parameter. To read the captured le output oine, you can use open source software packages such as wireshark.
Capture packets from Ethernet interface
$ tcpdump -i e101-003-0
tcpdump: verbose output suppressed, use -v or -vv for full protocol decode
listening on e101-003-0, link-type EN10MB (Ethernet), capture size 262144 bytes
01:39:22.457185 IP 3.3.3.1 > 3.3.3.4: ICMP echo request, id 5320, seq 26, length 64
01:39:22.457281 IP 3.3.3.1 > 3.3.3.4: ICMP echo reply, id 5320, seq 26, length 64
Capture two packets from interface
$ tcpdump -c 2 -i e101-003-0
listening on e101-003-0, link-type EN10MB (Ethernet), capture size 96 bytes
01:39:22.457185 IP 3.3.3.1 > 3.3.3.4: ICMP echo request, id 5320, seq 26, length 64
01:39:22.457281 IP 3.3.3.1 > 3.3.3.4: ICMP echo reply, id 5320, seq 26, length 64
2 packets captured
13 packets received by filter
0 packets dropped by kernel
Capture packets and write to le
$ tcpdump -w 06102016.pcap -i e101-003-0
listening on e101-003-0, link-type EN10MB (Ethernet), capture size 96 bytes
32 packets captured
32 packets received by filter
0 packets dropped by kernel
Port adapters and modules
Use the show diag command to view diagnostics information for OS10 port adapters and hardware modules.
View diagnostic hardware information
OS10# show diag
00:00.0 Host bridge: Intel Corporation Atom Processor S1200 Internal (rev 02)
00:01.0 PCI bridge: Intel Corporation Atom Processor S1200 PCI Express Root Port 1 (rev 02)
00:02.0 PCI bridge: Intel Corporation Atom Processor S1200 PCI Express Root Port 2 (rev 02)
00:03.0 PCI bridge: Intel Corporation Atom Processor S1200 PCI Express Root Port 3 (rev 02)
00:04.0 PCI bridge: Intel Corporation Atom Processor S1200 PCI Express Root Port 4 (rev 02)
00:0e.0 IOMMU: Intel Corporation Atom Processor S1200 Internal (rev 02)
00:13.0 System peripheral: Intel Corporation Atom Processor S1200 SMBus 2.0 Controller 0 (rev
02)
00:13.1 System peripheral: Intel Corporation Atom Processor S1200 SMBus 2.0 Controller 1 (rev
02)
00:14.0 Serial controller: Intel Corporation Atom Processor S1200 UART (rev 02)
00:1f.0 ISA bridge: Intel Corporation Atom Processor S1200 Integrated Legacy Bus (rev 02)
01:00.0 Ethernet controller: Broadcom Corporation Device b850 (rev 03)
02:00.0 SATA controller: Marvell Technology Group Ltd. Device 9170 (rev 12)
03:00.0 PCI bridge: Pericom Semiconductor PI7C9X442SL PCI Express Bridge Port (rev 02)
04:01.0 PCI bridge: Pericom Semiconductor PI7C9X442SL PCI Express Bridge Port (rev 02)
04:02.0 PCI bridge: Pericom Semiconductor PI7C9X442SL PCI Express Bridge Port (rev 02)
04:03.0 PCI bridge: Pericom Semiconductor PI7C9X442SL PCI Express Bridge Port (rev 02)
07:00.0 USB controller: Pericom Semiconductor PI7C9X442SL USB OHCI Controller (rev 01)
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