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(DHCP) reply messages dropped

hi all

I got this notification in my swiching network at all uplink port .

my all uplink are Trunk port and VTP client mode .

"Dynamic Host Configuration Protocol (DHCP) reply messages dropped for non-existing or disconnected devices on this interface".

1 REPLY
Anonymous
N/A

Re: (DHCP) reply messages dropped

Use following debugs commands:

debug ip dhcp snooping events

debug ip dhcp snooping packets

By default invalid message from relay agents are dropped so if you disabled that feature you will not get any notification messages for invalid messages.

http://www.cisco.com/en/US/docs/switches/lan/catalyst3550/software/release/12.1_12c_ea1/configuration/guide/swdhcp82.html

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