How should the administrator identify the root cause of this error message?

An administrator receives the following error message:

"IKE phase-2 negotiation failed when processing Proxy ID. Received local id 192.168 33 33/24 type IPv4 address protocol 0 port 0, received remote id 172.16 33.33/24 type IPv4 address protocol 0 port 0."

How should the administrator identify the root cause of this error message?
A . In the IKE Gateway configuration, verify that the IP address for each VPN peer is accurate
B . Verify that the IP addresses can be pinged and that routing issues are not causing the connection failure
C . Check whether the VPN peer on one end is set up correctly using policy-based VPN
D . In the IPSec Crypto profile configuration, verify that PFS is either enabled on both VPN peers or disabled on both VPN peers.

View Answer

Answer: C

Explanation:

https://docs.paloaltonetworks.com/pan-os/10-2/pan-os-admin/vpns/set-up-site-to-site-vpn/interpret-vpn-error-messages

The VPN peer on one end is using policy-based VPN. You must configure a Proxy ID on the Palo Alto Networks firewall. https://docs.paloaltonetworks.com/pan-os/10-1/pan-os-admin/vpns/set-up-site-to-site-vpn/interpret-vpn-error-messages.html