feat: m4ndock FAQ set mac address

sipeed · May 13, 2024 · fa0c0b5 · fa0c0b5
1 parent 73d623e
commit fa0c0b5
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diff --git a/docs/hardware/zh/maixIV/m4ndock/FAQ.md b/docs/hardware/zh/maixIV/m4ndock/FAQ.md
@@ -9,4 +9,14 @@ A：首次烧录会出现该现象，实际EMMC该分区大小已预先设置最
 root@maixbox:~# df -h
 Filesystem      Size  Used Avail Use% Mounted on
 /dev/root        28G  6.0G   21G  23% /
+```
+
+## Q：MAC物理地址重复，导致同一局域网下无法正常连接网络，如何解决？
+
+A：可通过进入`uboot`命令行模式设置环境变量`ethaddr`和`eth1addr`并保存，可永久修改对应网卡的mac地址：
+```bash
+# 例如
+setenv ethaddr d0:00:00:00:00:01
+setenv eth1addr d0:00:00:00:00:02
+saveenv
 ```