From fa0c0b5fcccfc5cf2bdde62c467d99aedcee2cc8 Mon Sep 17 00:00:00 2001
From: taorye <taorye@outlook.com>
Date: Mon, 13 May 2024 11:20:42 +0800
Subject: [PATCH] feat: m4ndock FAQ set mac address

---
 docs/hardware/zh/maixIV/m4ndock/FAQ.md | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/docs/hardware/zh/maixIV/m4ndock/FAQ.md b/docs/hardware/zh/maixIV/m4ndock/FAQ.md
index c07c854774..9f782744f6 100644
--- 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
 ```
\ No newline at end of file