1. ubuntu bridge mode settings:
. 1.1 ubuntu set bridge mode: https://www.jianshu.com/p/e69233d5ca9d [must be specified when the set is the wireless LAN or wired LAN bridging]
If the problem can not appear, please see the Internet:
https://blog.csdn.net/tiramisu_L/article/details/81415485 [Ubuntu and windows can ping each other but can not access the Firefox solutions]
https://blog.csdn.net/qq_36069590/article/details/79695292 [DHCP settings]
2. Development board configuration
1. First to brush development board \ bin \ uboot \ u-boot_enable_Ethernet.bin to the NorFlash, you press space, enter MENU q Release, network cable plug
2. print: View ipaddr, ServerIP
the SET ipaddr 192.168.31.131: Set up your development board ip, must be on the same network segment of the IP and windowsIP, ubuntuIP
the Save
the ping 192.168.31.90: the ping windowsIP
ping 192.168.21.120: ping ubuntuIP
3. Set tftp:
windows open tftd client, select windowsIP address for service
print: View ipaddr, ServerIP
the SET ServerIP 192.168.31.90
the Save
the TFTP aa.txt 3000: download windows aa.txt to jz2440
Bottom line: ubuntu virtual machine and PC, 2440 development board in the same network segment using the same network card to connect
