PC(双网卡-卡1-上网)-卡2=====PC2-单网卡，设置虚拟路由器,
visualbox,
1. 下载镜像 https://mirrors.tuna.tsinghua.edu.cn/openwrt/releases/25.12.2/targets/x86/64/
2. 转换镜像文件
3. 开启 visualbox, 设置对应的vdi文件为磁盘
4. 设置IP
5. 打开IP配置源头
@echo off
@REM convertfromraw.cmd openwrt-25.12.2-x86-64-generic-ext4-combined-efi.img openwrt-25.12.2-x86-64-generic-ext4-combined-efi.img.vdi
@REM @echo "%~dp0"
@REM @echo %~n0
@REM @echo %*
@REM echo.
@REM echo %APP_BIN% %*
@set APP_PATH="C:\Program Files\Oracle\VirtualBox"
@set APP_BIN=%APP_PATH%\VBoxManage.exe
@%APP_BIN% convertfromraw %* --format=VDI
# sed -i 's_https\?://downloads.openwrt.org_https://mirrors.tuna.tsinghua.edu.cn/openwrt_' /etc/opkg/distfeeds.conf
https://mirrors.tuna.tsinghua.edu.cn/openwrt/releases/25.12.2/targets/x86/64/packages/packages.adb
https://mirrors.tuna.tsinghua.edu.cn/openwrt/releases/25.12.2/packages/x86_64/base/packages.adb
https://mirrors.tuna.tsinghua.edu.cn/openwrt/releases/25.12.2/targets/x86/64/kmods/6.12.74-1-dad96e0b324e75e311f44d061391d208/packages.adb
https://mirrors.tuna.tsinghua.edu.cn/openwrt/releases/25.12.2/packages/x86_64/luci/packages.adb
https://mirrors.tuna.tsinghua.edu.cn/openwrt/releases/25.12.2/packages/x86_64/packages/packages.adb
https://mirrors.tuna.tsinghua.edu.cn/openwrt/releases/25.12.2/packages/x86_64/routing/packages.adb
https://mirrors.tuna.tsinghua.edu.cn/openwrt/releases/25.12.2/packages/x86_64/telephony/packages.adb
https://mirrors.tuna.tsinghua.edu.cn/openwrt/releases/25.12.2/packages/x86_64/video/packages.adb
# 设置局域网IP
uci set network.lan.ipaddr='192.168.88.1/24'
# 保存
uci commit network
# 重启网络
/etc/init.d/network restart