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→Ethernet port test
<li><p>After the system starts, it will automatically assign an IP address to the Ethernet card through DHCP, without any other configuration</p></li>
<li><p>The command to view the IP address in the Linux system of the development board is as follows:</p>
{| class="wikitable" style="background-color:#ffffdc;width:800px;" |-| <big><p>'''Please do not copy the following commands. For example, the network node name in debian12 is end0, and the following commands need to be changed to ip a s end0.'''</p></big>|}</li></ol>
{| class="wikitable" style="width:800px;"
|-
|
orangepi@orangepi:~$ '''ip a s eth0'''
link/ether 5e:ac:14:a5:93:b3 brd ff:ff:ff:ff:ff:ff
inet '''<span style="color:#FF0000">192.168.1.16</span>'''/24 brd 192.168.1.255 scope global dynamic noprefixroute eth0
valid_lft 259174sec preferred_lft 259174sec
valid_lft forever preferred_lft forever
|}
{| class="wikitable" style="background-color:#ffffdc;width:800px;" |-| <big>'''There are three ways to check the IP address after the development board starts:'''
# '''Connect the HDMI monitor, then log in to the system and use the ip a s eth0 command to view the IP address'''
# '''If there is no debugging serial port and no HDMI display, you can also check the IP address of the development board’s network port through the router’s management interface. However, in this method, some people often cannot see the IP address of the development board normally. If you can't see it, the debug method looks like this:'''
<ol style="list-style-type: upper-alpha;">
<li><p>'''First check whether the Linux system has started normally. If the green light of the development board is flashing, it is generally started normally. If only the red light is on, or the red and green lights are not on, it means that the system has not started normally;'''</p></li>
<li><p>'''If there is no router to replace, you can only connect to an HDMI display or use the debugging serial port to check the IP address.'''</p></li></ol>
'''In addition, it should be noted that the development board DHCP automatically assigns an IP address without any settings.'''</big>|}
<ol start="4" style="list-style-type: decimal;">
<span id="wifi-connection-test"></span>
=== WIFI connection test ===
