After my SYS-7049P-TR (X11DPI-N) system boots up to Centos 7, it didn't get the network IP, the link LED on the NICs show they have connection. How do I troubleshoot the network connectivity issue?
The best way is to boot the system up through ISO image in troubleshooting mode, and see if the system can get an IP on the primary NIC or not. Centos 7 auto activate the first NIC and establish the connection, and if it doesn't get an IP, check your DHCP server. Or you can assign an IP static on the primary NIC and ping the DHCP server.
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