---
title: "Linksys"
slug: "linksys"
updated: 2026-04-07T09:05:20Z
published: 2026-04-07T09:05:20Z
canonical: "support.perimeter81.com/linksys"
stale: true
---
> ## Documentation Index
> Fetch the complete documentation index at: https://support.perimeter81.com/llms.txt
> Use this file to discover all available pages before exploring further.
# Linksys
## Introduction
This guide will guide you through the necessary steps to establish a Site-to-Site VPN tunnel between your Check Point SASE network and your Linksys environment.
**Breakdown of topics**
1. Pre-requisites
2. Configuration Steps
3. Verifying the Setup
4. Troubleshooting
5. Support Contacts
## Pre-requisites
To successfully follow this guide, ensure that:
1. An active Check Point SASE account and a setup network.
2. The Check Point SASE application is installed on your necessary devices.
3. A working Linksys setup with the appropriate administrative privileges.
## Configuration Steps
## Configuring the tunnel in the Management Platform
1. Select the network tab from the menu on the left side of the screen. Choose the network that contains the gateway in your network to which you'd like to create the tunnel. Select the three-dotted icon besides the gateway's name and select **Add Tunnel**. 
2. Select **IPSec Site-2-Site Tunnel** and select **Continue**.
3. In the **General Settings** section fill in the following information:
- **Name:** Choose whatever name you find suitable for the tunnel.
- **Shared Secret:** Enter a character string of your own or use **Generate**.
- **Public IP/Remote ID:** Enter the public IP from which the Linksys device is connected to the internet.
- **Check Point SASE Gateway Proposal Subnets:** Choose the specified subnet. By default, this should be set to 10.2XX.0.0/16.
- **Remote Gateway Proposal Subnets:** Select **Specified Subnets** and specify according to your local LAN Subnets.
.PNG)
1. In the **Advanced Settings** section fill in the following:
- **IKE Version:** V2
- **DPD detection:** 30s
- **DPD timeout:** 10s
- **Encryption (Phase 1):** AES256
- **Encryption (Phase 2):** AES256
- **Integrity (Phase 1):** SHA1
- **Integrity (Phase 2):** SHA1
- **Key Exchange Method:** modp1536
- **Key Exchange Method****:** modp1536
Leave the rest of the fields with the default values (as shown in the attached image) and click on add a tunnel.
## Configuring the tunnel in the Linksys Web Interface
1. Open the Netgear management interface (typically 192.168.1.1).
2. In the left panel, select **VPN**, then select **Gateway to Gateway**.
3. Fill in the following information:
Add a New Tunnel
**Tunnel Name**: Enter a name of your choice.
**Interface**: WAN1
Local Group Setup
**Local Security Gateway Type**: IP Only
**IP Address**: Your external IP address (should be filled automatically)
**Local Security Group Type**: Subnet
**IP Address**: Enter the local IP address.
**Subnet Mask**: Enter the subnet mask.
Local Group Setup
**Remote Security Gateway Type**: IP Only
**IP Address**: Your P81 gateway IP address.
**Remote Security Group Type**: Subnet
**IP Address**: 10.255.0.0
**Subnet Mask**: 255.255.0.0
4. Continue to **IPSec Setup** and fill in accordingly:
**Keying Mode**: IKE with PSK
**Phase 1 DHG**: Group 5
**Phase 1 Encryption**: AES256
**Phase 1 Authentication**: SHA1
**Phase 1 SA Lifetime**: 28800
**PFS**: Enabled
**Phase 2 DHG**: Group 5
**Phase 2 Encryption**: AES256
**Phase 2 Authentication**: SHA1
**Phase 2 SA Lifetime**: 3600
**Preshared Key**: Enter the same key you entered in the Check Point SASE portal.
5. Select **Advanced**. Enable **Keep-Alive** and set **Dead Peer Detection Interval**to 10 seconds. Leave the rest of the advanced settings with the default values.
## Verifying the Setup
After following the above steps, your tunnel should be active. To verify, go to your Check Point SASE dashboard, locate the tunnel you just created, and check the tunnel status. It should indicate that the tunnel is "Up", signifying a successful connection. Next, connect to your network using the Check Point SASE agent and attempt to access one of the resources in your environment.
## Troubleshooting
If you encounter issues during or after the setup, try reviewing your settings to ensure everything matches the instructions. In particular, check the IP addresses and other details you entered during setup. If issues persist, please consult our dedicated support.
## Support Contacts
If you have any difficulties or questions, don't hesitate to contact Check Point SASE's support team. We offer 24/7 chat support on our website at [sase.checkpoint.com](https://www.sase.checkpoint.com/), or you can email us at sase-support@checkpoint.com. We're here to assist you and ensure your VPN tunnel setup is a success.