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

Soft Reset of BGP:

Performing a soft reset of BGP is a common method to resolve issues where prefixes are not being received. It forces both BGP peers to resend their complete routing tables to each other.

This can be done using the command:execute router clear bgp soft inandexecute router clear bgp soft out.

Network Import Check:

Thenetwork-import-checkcommand controls whether the FortiGate should verify that the prefix exists in the routing table before advertising it.

Disabling this check can resolve issues where valid prefixes are not advertised due to stringent verification.

The command to disable this is:config router bgp set network-import-check disable end.

BGP Configuration Verification:

Ensure that the BGP configuration on FGT-B is correctly set to advertise the network 172.16.54.0/24.

Verify that the network statement is correctly configured and matches the intended prefix.

References:

Fortinet Community: Technical Note on Configuring BGP​(Welcome to the Fortinet Community!)​.

Fortinet Documentation: Configuring BGP on FortiGate​(Fortinet Document Library)​.

Kernel Slabs Overview:

The slab allocator in the Linux kernel is used for efficient memory management. It groups objects of the same type into caches, which are divided into slabs.

Each slab contains multiple objects and helps to minimize fragmentation and enhance memory allocation efficiency.

Interpreting the Exhibit:

The exhibit shows output related to various kernel slab caches.

The line forip6_sessionindicates that there are 1300 kB allocated for this slab, which means the total memory size allocated for IPv6 session objects in the kernel is 1300 kB.

References:

Fortinet Community: Explanation of kernel slab allocation and usage​(Welcome to the Fortinet Community!)​​(Hammertux)​.

Linux Kernel Documentation: Slab Allocator details​(Hammertux)​.

Examine the OSPF debug output:

The OSPF Hello packet debug output shows the Router ID as0.0.0.112.

It shows that the OSPF packet is being sent from0.0.0.112viaport2:192.168.37.114.

The OSPF Hello packet contains information such as the network mask (255.255.255.0), hello interval (10), router priority (1), dead interval (40), and designated router (192.168.37.114) and backup designated router (192.168.37.115).

Check the area configuration:

The area ID is shown as0.0.0.0, indicating that the two devices attempting adjacency are in area0.0.0.0.

Authentication mismatch:

The debug output indicates an "Authentication type mismatch". This means one device is configured to require authentication while the other is not.

Password configuration:

The statement claiming that "A password has been configured on the local OSPF router but is not shown in the output" is false because the output indicates an authentication mismatch, not the presence or absence of a password. The other statements are true based on the provided debug output.

References

Fortinet Network Security 7.2 Support Engineer Documentation

OSPF Configuration Guides