# Site to Site VPN outage on ClusterXL Active member when running "cpstop" on the Standby cluster member

**Product**: ClusterXL, IPSec VPN, VSX (Traditional)

**Version**: R80.10 (EOS), R80.20 (EOS), R80.30 (EOS), R80.40 (EOS), R81 (EOS), R81.10 (EOS), R81.20

**Last Modified**: 2024-03-13

## Symptoms

- Running the "`cpstop`" command on the Standby cluster member in a ClusterXL / VSLS cluster causes an outage of a Site to Site VPN on the Active cluster member.
- While all Check Point services are stopped on the Standby cluster member, the Active cluster member does not establish a Site to Site VPN and keeps sending the Tunnel Test packets.

## Solution

This problem was fixed. The fix is included in:

- [Jumbo Hotfix Accumulator for R81.20](https://sc1.checkpoint.com/documents/Jumbo_HFA/R81.20/Default.htm) starting from Take 43
- [Jumbo Hotfix Accumulator for R81.10](https://sc1.checkpoint.com/documents/Jumbo_HFA/R81.10/Default.htm) starting from Take 131
- [Jumbo Hotfix Accumulator for R81](https://sc1.checkpoint.com/documents/Jumbo_HFA/R81/Default.htm) starting from Take 89
- [Jumbo Hotfix Accumulator for R80.40](https://sc1.checkpoint.com/documents/Jumbo_HFA/R80.40/Default.htm) starting from Take 211

If you choose not to upgrade, Check Point can supply a **Hotfix**. [Contact Check Point Support](https://www.checkpoint.com/support-services/contact-support/) to get a Hotfix for this issue.

A Support Engineer will make sure the Hotfix is compatible with your environment before providing the Hotfix.

For faster resolution and verification, please collect [CPinfo files](http://supportcontent.checkpoint.com/solutions?id=sk92739) from the Security Management Server and Security Gateways involved in the case.

**Hotfix installation instructions:**

Refer to [sk168597 - How to install a Hotfix](https://supportcenter.checkpoint.com/supportcenter/portal?eventSubmit_doGoviewsolutiondetails=&solutionid=sk168597).

#### NOTE

This solution has been verified for the specific scenario, described by the combination of Product, Version and Symptoms. It may not work in other scenarios.

## Article Properties

**Access Level**: General

**Status**: Approved by TAC

**Date Created**: 2020-10-14

**Last Modified**: 2024-03-13