It is that time of the week, were Friday and the ECMS practice question meet in the Meraki community!
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ECMS practice question
A customer has 3 MX security appliances deployed in 3 different locations, All the MX’s are in Routed mode and participate in the VPN topology as hubs. MX 1 and MX 2 report no issue in the dashboard, while MX 3 reports a “NAT unfriendly” warning message in the VPN status page.
Which of the following might be causing the issue?
- MX 1 is behind an upstream device that is rewriting the source port when trying to establishing the VPN tunnel with MX 3
- MX 3 is behind an upstream device that is rewriting the destination port when communicating with the two VPN cloud registry
- MX 3 NAT functionality for the LAN to WAN traffic is not configured properly
- MX 3 is behind an upstream device the is rewriting different source port when communicating with the two VPN cloud registry
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