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dhcp snooping

carl_townshend
Spotlight
Spotlight

Hi all, if a dhcp snooping port is violated, what will happen, is the port err disabled and shut down? or are they just filtered ?

2 Replies 2

jgraafmans
Level 1
Level 1

DHCP replies coming from untrusted ports are filtered.

cisco_lad2004
Level 5
Level 5

depends on violation...if it is too many DHCP requests port can be configured to go error disable.

Dynamic arp inspection also uses the snooping info to block arp entries in which case you get log message.

HTH

Sam

Sam

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