VoIP Traffic fails after initial call when SecureXL operates in the User Space (UPPAK) mode

Product: SecureXL, Security Gateways
Version: R81.10 (EOS), R81.20, R82
Last Modified: 2025-06-23

Symptoms

• In a rare scenario, VoIP Traffic fails after the initial call when SecureXL operates in the User Space (UPPAK) mode.
• In Traffic captures, you can see that the destination MAC address of the packet is not changed after the Security Gateway does the routing.

Solution

This problem was fixed. The fix is included in:

• Jumbo Hotfix Accumulator for R82 starting from Take 25
• Jumbo Hotfix Accumulator for R81.20 starting from Take 101
• Jumbo Hotfix Accumulator for R81.10 starting from Take 177

If you choose not to upgrade, Contact Check Point Support to get a Hotfix for this issue.

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

For faster resolution and verification, collect these files:

1. CPinfo file from the Management Server involved in the case.
2. CPinfo file from the Security Gateway / each Cluster Member involved in the case.

Hotfix installation instructions:

Refer to sk168597 - How to install a Hotfix.

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: 2025-03-09
Last Modified: 2025-06-23