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Cisco Bug: CSCvs01830 - DHCP snooping causing mac flaps when connecting IE-3200

Last Modified

Aug 28, 2020

Products (1)

  • Cisco Industrial Ethernet 3000 Series Switches

Known Affected Releases

16.11.1a 16.9(1)

Description (partial)

When connecting a IE3200 to the network the connected switches could start experiencing MAC flaps

-DHCP snooping enabled
-"ip DHCP snooping trust" configured in the interface where DHCP discover packets should arrive
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