imx6ull ping 电脑 过一会提示ping: sendto: Network is unreachable

[root@100ask:~]# ifconfig eth0 192.168.3.3
[root@100ask:~]# ping 192.168.3.3
PING 192.168.3.3 (192.168.3.3): 56 data bytes
64 bytes from 192.168.3.3: seq=0 ttl=64 time=0.405 ms
64 bytes from 192.168.3.3: seq=1 ttl=64 time=0.288 ms
64 bytes from 192.168.3.3: seq=2 ttl=64 time=0.598 ms
64 bytes from 192.168.3.3: seq=3 ttl=64 time=0.594 ms
64 bytes from 192.168.3.3: seq=4 ttl=64 time=0.338 ms
64 bytes from 192.168.3.3: seq=5 ttl=64 time=0.596 ms
64 bytes from 192.168.3.3: seq=6 ttl=64 time=0.588 ms
64 bytes from 192.168.3.3: seq=7 ttl=64 time=0.593 ms
64 bytes from 192.168.3.3: seq=8 ttl=64 time=0.598 ms
64 bytes from 192.168.3.3: seq=9 ttl=64 time=0.587 ms
64 bytes from 192.168.3.3: seq=10 ttl=64 time=0.765 ms
64 bytes from 192.168.3.3: seq=11 ttl=64 time=0.591 ms
64 bytes from 192.168.3.3: seq=12 ttl=64 time=0.591 ms
64 bytes from 192.168.3.3: seq=13 ttl=64 time=0.592 ms
64 bytes from 192.168.3.3: seq=14 ttl=64 time=0.668 ms
64 bytes from 192.168.3.3: seq=15 ttl=64 time=0.594 ms
64 bytes from 192.168.3.3: seq=16 ttl=64 time=0.687 ms
[ 69.654898] Bluetooth: hci0: Failed to load rtl_bt/rtl8723b_config.bin
[ 69.661599] Bluetooth: hci0: rtl: loading rtl_bt/rtl8723b_fw.bin
[ 69.688656] Bluetooth: hci0: rom_version status=0 version=1
[ 69.694583] Bluetooth: cfg_sz 0, total size 22768
ping: sendto: Network is unreachable
[root@100ask:~]# ifconfig
eth0 Link encap:Ethernet HWaddr 00:01:3F:2D:3E:4D
inet6 addr: fe80::2bcd:7470:a00d:68ff/64 Scope:Link
UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
RX packets:58 errors:0 dropped:0 overruns:0 frame:0
TX packets:32 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:1000
RX bytes:4454 (4.3 KiB) TX bytes:5369 (5.2 KiB)

eth1 Link encap:Ethernet HWaddr 00:01:1F:2D:3E:4D
UP BROADCAST MULTICAST MTU:1500 Metric:1
RX packets:0 errors:0 dropped:0 overruns:0 frame:0
TX packets:0 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:1000
RX bytes:0 (0.0 B) TX bytes:0 (0.0 B)

lo Link encap:Local Loopback
inet addr:127.0.0.1 Mask:255.0.0.0
inet6 addr: ::1/128 Scope:Host
UP LOOPBACK RUNNING MTU:65536 Metric:1
RX packets:290 errors:0 dropped:0 overruns:0 frame:0
TX packets:290 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:1
RX bytes:21800 (21.2 KiB) TX bytes:21800 (21.2 KiB)

wlan0 Link encap:Ethernet HWaddr 34:7D:E4:75:E3:88
UP BROADCAST MULTICAST MTU:1500 Metric:1
RX packets:11 errors:0 dropped:0 overruns:0 frame:0
TX packets:0 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:1000
RX bytes:0 (0.0 B) TX bytes:0 (0.0 B)

wlan1 Link encap:Ethernet HWaddr 36:7D:E4:75:E3:88
UP BROADCAST MULTICAST MTU:1500 Metric:1
RX packets:0 errors:0 dropped:0 overruns:0 frame:0
TX packets:0 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:1000
RX bytes:0 (0.0 B) TX bytes:0 (0.0 B)

IP地址为何会自动丢失?

刷过 100ask_imx6ull_pro开发板系统烧写工具 和【Beta-lvgl-gui-2.0】100ask_imx6ull_pro开发板系统烧写工具 都是一样的现象

开发板是Pro,SN:ASKDA0806784

参考手册「嵌入式Linux应用开发完全手册V5_IMX6ULL_Pro开发板.pdf」第 556 页,配置一个静态 ip 即可;

556页好像没有相关内容


更新一下 git 仓库,命令 git pull