---
title: "Troubleshoot common issues"
slug: "ipsecvpn-troubleshoot-common"
updated: 2026-09-17T09:18:03Z
published: 2026-09-17T09:18:03Z
canonical: "guide.ncloud-docs.com/ipsecvpn-troubleshoot-common"
stale: true
---

> ## Documentation Index
> Fetch the complete documentation index at: https://guide.ncloud-docs.com/llms.txt
> Use this file to discover all available pages before exploring further.

# Troubleshoot common issues

Available in VPC

You might run into the following problems when using IPsec VPN. Find out causes and possible solutions.

## IPsec VPN communication error

An IPsec VPN communication error occurs.

#### Cause

- Your network setting has a problem.
- The Pre-shared Key doesn't match.
- Your IPsec tunnel setting has a problem.

#### Solution

- When setting up the .remote/local range, make sure to set the subnet for the phase 2 range correctly on both sides.

## IPsec VPN Gateway creation error

Nothing appears in the IPsec VPN vendor when I create an IPsec VPN Gateway.

#### Cause

No Virtual Private Gateway Group has been created.

#### Solution

Create a Virtual Private Gateway Group. For more information on how to create Virtual Private Gateway Group, see [Create Virtual Private Gateway](/docs/en/virtual-private-gateway-new#VirtualPrivateGateway%EC%83%9D%EC%84%B1) in the VPC guide.

              Note

              

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