@echo off
for /f "tokens=1,2,* delims=.: " %%1 in ('ipconfig /all') do (
    if defined DNS_Servers (
        set DNS_Servers_2=%%1.%%2.%%3
        call set Ethernet_adapter=%%Ethernet_adapter::=%%
        goto Next
    ) else set %%1_%%2=%%3
)

:Next
SetLocal EnableDelayedExpansion
for %%a in (
    Ethernet_adapter
    Physical_Address
    IP_Address
    Subnet_Mask
    Default_Gateway
    DNS_Servers
    DNS_Servers_2
) do echo %%a=!%%a!
pause
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@echo off
for %%a in (
    Physical_Address
    IP_Address
    Subnet_Mask
    Default_Gateway
    DNS_Servers
) do set #%%a=#


(for /f "tokens=1,2,* delims=.: " %%1 in ('ipconfig /all') do (
    if "%%1 %%2"=="Ethernet adapter" (
        set /a n += 1
        call echo [网卡%%n%%]
        for /f "delims=:" %%a in ("%%3") do echo %%1_%%2=%%a
    ) else (
        if defined #%%1_%%2 echo %%1_%%2=%%3
        if %%1 geq 0 if %%1 lss a echo DNS_Servers_2=%%1.%%2.%%3
    )
))>#网卡#.txt

start #网卡#.txt
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