PXE boot and DHCP snooping option 82 environments

From: Geert Nijs (Geert.Nijs@simac.be)
Date: Wed Jun 18 2008 - 13:05:38 ART

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Hi group,

When you enable DHCP snooping on a cisco switch, it automatically inserts option 82 information
inside the DHCP packet. What will happen to the options maybe already present inside the DHCP packet (ie. PXE boot option 60). I hope it does not get destroyed when it gets forwarded when it hits an ip helper line.

Has anyone have problems running PXE boot in a dhcp snooped environment ?

regards,
Geert
#CCIE 13729

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