ISC DHCPD on commit

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ISC DHCP on commit 可以做到在 Client 取得 IP 後執行特定 script/program

在 /etc/dhcpd.conf 加入(加在 subnet 或 global 均可)
on commit {
   set ClientIP = binary-to-ascii(10, 8, ".", leased-address);
   set ClientMac = binary-to-ascii(16, 8, ":", substring(hardware, 1, 6));
   execute("/usr/local/bin/dhcpd_on_commit", ClientIP, ClientMac);

ClientIP, ClientMac 就會以參數 $1, $2 帶給 script/program

若 Log 中看到 execute: no such function. 表示不支援, 這個功能似乎是 4.x 才有的, 預設 enable
--enable-execute enable support for execute() in config (default is yes)

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This page contains a single entry by Pank published on March 26, 2012 3:10 PM.

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