What does the message "Peer not reachable" in the log mean?

Zyxel_Kevin
Zyxel_Kevin Posts: 928  Zyxel Employee
Zyxel Certified Network Administrator - Security Zyxel Certified Sales Associate 100 Answers 500 Comments
in VPN

Question:

What does the message "Peer not reachable" in the log mean?

Answer:

It mean the VPN peer gateway does not reply ike negotiation.

Please kindly check the peer gateway status if you found this logs.