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PC´s are not able to renew IP addresses when reaching IP address lease time . This issue is not seen during normal DHCP DORA process (Discover , Offer , Request , ACK) . "show ip dhcp snooping statistics" is not showing any drops.
Cat9k running version 16.12.X and 17.X.X DHCP snooping enabled L3 sub-interface (toward Dhcp server )
Globally Disable DHCP snooping . Avoid using L3 sub-interface
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