Rogue DHCP server connected to a catalyst 2924

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Apr 29th, 2008
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We have identified a device acting as a rogue dhcp server connected to a catalyst 2924 in our shop. The device has been removed but I am looking to prevent this device, or ones like it, from being put on the catalyst again. Aside from mac based security on the catalyst, is there another way to prevent this ie: coding, etc..

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Collin Clark Tue, 04/29/2008 - 05:37
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With the 2924 you're pretty limited to what you can do (you mentioned them). A feature in some newer switches is DHCP Snooping; that would help you.

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