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如何获取 LAN 上具有 IP 地址的所有设备的所有 MAC 地址（相当于 doas nmap -sn，但适用于 IPv6）？

tag-icon • tag-icon ipv6 nmap mac-address arp
如何获取 LAN 上具有 IP 地址的所有设备的所有 MAC 地址（相当于 doas nmap -sn，但适用于 IPv6）？ 
#!/usr/bin/bash
echo "Give me your private IP and its mask";read given
if [[ "$given" =~ ^([0-9]{1,3}\.){3}[0-9]{1,3}/{0,1}[0-9]{1,3} ]]; then
    echo "version 4"
    doas nmap -sn "$given"
    arp
else
    echo "version 6"
    prefix=${given::6}
    mask=$(echo "$given"|sed -E 's|.*(/[0-9]{1,3})|\1|')
    echo "$mask"
    echo "$prefix"
    doas nmap -6 -sn "$given" #halts, I have to press Ctrl-C
    doas nmap -6 --script=neighbors "$given" #does not work
    doas nmap -6 --script=neighbors "$prefix$mask" #does not work
    doas ip -6 neighbour #empty line, no results
fi

Give me your private IP and its mask
fe80::xxxx:xxxx:xxxx:xxxx/64
version 6
/64
fe80::
doas (j@j-AERO-17-KC) password: 
Starting Nmap 7.80 ( https://nmap.org ) at 2023-11-26 12:55 CET
Interrupt
doas (j@j-AERO-17-KC) password: 
Starting Nmap 7.80 ( https://nmap.org ) at 2023-11-26 12:59 CET
NSE: failed to initialize the script engine:
/usr/bin/../share/nmap/nse_main.lua:818: 'neighbors' did not match a category, filename, or directory
stack traceback:
    [C]: in function 'error'
    /usr/bin/../share/nmap/nse_main.lua:818: in local 'get_chosen_scripts'
    /usr/bin/../share/nmap/nse_main.lua:1310: in main chunk
    [C]: in ?

QUITTING!
doas (j@j-AERO-17-KC) password: 
Starting Nmap 7.80 ( https://nmap.org ) at 2023-11-26 12:59 CET
NSE: failed to initialize the script engine:
/usr/bin/../share/nmap/nse_main.lua:818: 'neighbors' did not match a category, filename, or directory
stack traceback:
    [C]: in function 'error'
    /usr/bin/../share/nmap/nse_main.lua:818: in local 'get_chosen_scripts'
    /usr/bin/../share/nmap/nse_main.lua:1310: in main chunk
    [C]: in ?

QUITTING!

x为了保护我的隐私，我用我的地址的一些数字替换了。

1.doas nmap -6 -sn "$given"为什么给定 IPv6 地址后我的脚本会停止

2. doas nmap -6 --script=neighbors "$prefix$mask"ChatGPT 向我建议 - 为什么它不起作用？

3. 为什么不 doas ip -6 neighbour工作？

答案1

1.刚进入nmap的Network，会花很长的时间

nmap -6 fe80::/64

2.对我来说没有意义

3.“doas”需要用户名吗？

您无需额外的权利即可见到邻居

ip -6 neighbour

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