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A secondary administrator has been granted access to a BIG-IP device through its Management Interface, but is unable to access the Configuration Utility (WebUI). What command can be run from the CLI to capture the network traffic on the management interface and troubleshoot the issue? (Choose two.)
Correct Answer: A,B
The BIG-IP has two distinct planes: Management-plane -> handled entirely by the management interface (MGMT) Data-plane (TMM) -> handles Self IPs, VLAN interfaces, and traffic processing To capture traffic on the management interface, only the management-side NICs may be used: mgmt -> Logical name for the management interface eth0 -> Physical Linux interface mapped to the management port on most BIG-IP platforms Both of these correctly capture inbound/outbound WebUI (HTTPS/443) traffic on the management port. Why the correct answers are A and B A). tcpdump -i eth0 -n port 443 On BIG-IP appliances and VMs, the management port maps to eth0 at the Linux OS level. Capturing on eth0 correctly shows HTTPS traffic to the WebUI. B). tcpdump -i mgmt -n port 443 mgmt is the BIG-IP alias for the management interface. This is the preferred and most explicit capture interface for management-plane packet captures.
