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BugZero found this defect 410 days ago.
Fixed an issue that resulted in clients not receiving DHCP IP addresses if 1) clients were connected to Z4 appliances, 2) the Z4 was originally configured in NAT mode, 3) the client received an IP address from the Z4 while it was in NAT mode, and 4) the Z4 was reconfigured to operate in passthrough mode.