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| MacNetworkInfo: Plumbing the Depths of DHCP |
December 5, 2007 |
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In environments with multiple DHCP servers, it can be important to be able to figure out which DHCP server gave a user his/her IP address. Unfortunately, the Network preference pane doesn't display this information.
On Mac OS X, the configd mechanism hangs on to received DHCP options; one need only request the appropriate dictionary from configd to see the DHCP options. From the command line, this can be accomplished using scutil on the Setup:/Network/Service/ .. /DHCP where the ellipsis is the active network service.
Rather than dabble in the black art of scutil, why not let the MacNetworkInfo application decode the information and present it to you! The application displays IPv4, DNS, and DHCP information for the current network setup (and also shows a series of textual dumps from scutil, perfect for users' to copy and paste into an email). The zip'ed application is a universal binary, compatible with Mac OS X 10.4 and 10.5. |
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| MacNetworkInfo |
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version 1.0
Gather network and hardware information not visible in the Network preferences pane.
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This software is made available completely freely.
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