While troubleshooting a DHCP relay issue, you run a fw ctl zdebug drop and see the following output:
;[cpu_1];[fw_0];fw_log_drop: Packet proto=17 10.216.14.108:67 > 172.31.2.1:67 dropped by fw_handle_first_packet Reason: fwconn_init_links (INBOUND) failed;
Where 10.216.14.108 is the IP address of the DHCP server and 172.31.2.1 is the VIP of the Cluster. What is the most likely cause of this drop?
A. An inbound collision due to a connections table check on pre-existing connections.
B. An outbound collision due to a Rule Base check, and dropped by incorrectly configuring DHCP in the firewall policy.
C. A link collision due to more than one NAT symbolic link being created for outgoing connections to the DHCP server.
D. A link collision due to more than one NAT symbolic link being created for connections returning from the DHCP server back to the VIP of the Cluster.
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D