NSE7_NST-7.2 Exam Dumps : Fortinet NSE 7 - Network Security 7.2 Support Engineer

Diagnose NPU NP6 Port-list Disable Command:

Thediagnose npu np6 port-list disablecommand disables specific ports on the NP6 processor. This can help in cases where you need to analyze traffic and the hardware offloading is interfering.

Command:diagnose npu np6 port-list disable 5 17(as shown in Option A).

Diagnose NPU NP6 Fastpath Disable Command:

Disabling the fastpath feature on NP6 can also allow for better visibility into the traffic as it bypasses hardware acceleration, which might obscure traffic details.

Command:diagnose npu np6 fastpath disable 0(as shown in Option C).

References:

Fortinet Documentation on Troubleshooting BGP and NPU Settings​(Fortinet Docs)​.

Fortinet Community Technical Notes on NPU and Traffic Analysis​(Welcome to the Fortinet Community!)​.

Session Table Overview:

The session table in FortiOS tracks all active and pending sessions. It includes details like the type of session (TCP, UDP, etc.), status, and statistics.

Interpreting the Exhibit:

The exhibit from thediagnose sys session statcommand shows detailed session statistics.

The specific value indicating "166 TCP sessions waiting to complete the three-way handshake" reflects the number of sessions that have initiatedbut not yet completed the TCP three-way handshake process (SYN, SYN-ACK, ACK).

References:

Fortinet Documentation: Understanding and troubleshooting session tables​(Hammertux)​.

Fortinet Community: Explanation of session states and statistics​(Welcome to the Fortinet Community!)​​(Hammertux)​.

Understanding OSPF Roles:

In OSPF (Open Shortest Path First), routers can have different roles: Designated Router (DR), Backup Designated Router (BDR), and DROther. These roles help manage and optimize the OSPF network traffic.

DR and BDR are elected to minimize the number of adjacencies and reduce the amount of routing information exchange.

DROther routers are neither DR nor BDR but can still participate in the OSPF network by maintaining adjacencies with DR and BDR.

Analyzing the Exhibit:

The exhibit shows the OSPF neighbor states for the local FortiGate.

Neighbor ID 0.0.0.1 is in the state Full/DR (Designated Router).

Neighbor ID 0.0.0.3 is in the state Full/DROther (DROther).

Neighbor ID 0.0.0.10 has no specific designation, implying it is neither DR nor BDR.

Conclusion:

Since the local FortiGate shows neighbors in Full/DR and Full/DROther states and itself does not have a state of DROther, it can be concluded that the local FortiGate is not a DROther.

References:

Fortinet Community: Understanding OSPF roles and states​(Welcome to the Fortinet Community!)​​(cyruslab)​.

Fortinet Documentation: OSPF neighbor states and elections​(Fortinet Docs)​.