> Source: [sk122481](https://support.checkpoint.com/results/sk/sk122481)

# sk122481 - Multicast traffic does not work with SecureXL on Vlan interfaces

| Property | Value |
|----------|-------|
| Solution ID | sk122481 |
| Date Created | 2018-01-23 |
| Last Modified | 2019-05-07 |
| Technical Level | Advanced |
| Products | Security Gateway |
| Versions | R82.10, R82, R81.20 |
| OS | Gaia |

## Symptoms

- * Multicast traffic arriving to Security Gateway / Cluster, but does not leave through the outbound interfaces when a mix of multiple Vlan and non Vlan outgoing interfaces are configured.
* Turning off SecureXL resolve the issue.

## Cause

When traffic is sent to multiple interfaces, SecureXL makes a copy of the packets. However, the VLAN tag information is also being propagated.

## Solution

This solution requires authentication. Please log in to view the full solution.

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