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nse8_812 Exam - Question 8


Refer to the exhibits.

Exhibit A -

Exhibit B -

Exhibit C -

A customer is trying to set up a VPN with a FortiGate, but they do not have a backup of the configuration. Output during a troubleshooting session is shown in the exhibits A and B and a baseline VPN configuration is shown in Exhibit C.

Referring to the exhibits, which configuration will restore VPN connectivity?

Show Answer
Correct Answer: CD

The configuration to restore VPN connectivity should accommodate the specific settings observed in the exhibits. Looking at Exhibit A and Exhibit B, we can see various parameters, such as the peer ID, the proposal 'aes256-sha256', and the necessity for NPU (Network Processing Unit) offloading indicated by 'npu_flag=03'. The configuration in Exhibit D matches these requirements, including NPU offloading and the correct use of 'aes256-sha256'. Therefore, the correct answer is the configuration that aligns with these settings, which is provided in option D.

Discussion

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Noidea
Aug 3, 2023

NPU_flag 03 both ingress and egress will be offloaded

pwatchpkOption: D
Aug 6, 2023

D is correct

Viewable8041Option: D
Sep 4, 2023

As Noidea and pwatchpk

pplee_shOption: D
Sep 8, 2023

NPU_Flag 03

semsemccieOption: C
Aug 10, 2023

Correct answer is C

ama6Option: C
Sep 12, 2023

Correct answer is C

pitzOption: C
Oct 5, 2023

The output in Exhibit A shows that the VPN tunnel is not established because the peer IP address is incorrect. The output in Exhibit B shows that the peer IP address is 192.168.1.100, but the baseline VPN configuration in Exhibit C shows that the peer IP address should be 192.168.1.101. To restore VPN connectivity, you need to change the peer IP address in the VPN tunnel configuration to 192.168.1.101. The correct configuration is shown below: config vpn ipsec phase1-interface edit "wan" set peer-ip 192.168.1.101 set peer-id 192.168.1.101 set dhgrp 1 set auth-mode psk set psk SECRET_PSK next end Option A is incorrect because it does not change the peer IP address. Option B is incorrect because it changes the peer IP address to 192.168.1.100, which is the incorrect IP address. Option D is incorrect because it does not include the necessary configuration for the VPN tunnel

ac89l
Jan 22, 2024

my man, where do you see those addresses?

node345Option: D
Feb 29, 2024

npu_flag=03. D is correct

dspavvnOption: B
May 14, 2024

It is more likely to be B as the peer ID in exhibit A states CN = gftdc01.example.com with peer-id-auth: yes, so it requires this specific peer ID, and in A, C, D the peer ID is "vpn-hub02-1_peer", which means the peer ID will be wrong. A cannot be because its IKEv1. C has disabled offloading, which does not affect the tunnel status but is not the same as the exhibit B, so cannot be correct based on that. D has everything correct, but using digital signature for auth, cannot verify this on any of the outputs and as the default auth-method is PSK, and they do not have a config backup, so no certificate to use if it was the case, makes D wrong too. B, based on the above, and the default for PSK setting for peer-id is accept all, is the only plausible option.