> Source: [sk105899](https://support.checkpoint.com/results/sk/sk105899)

# sk105899 - When configuring two interfaces in Bridge Mode, traffic is dropped due to "local interface spoofing"

| Property | Value |
|----------|-------|
| Solution ID | sk105899 |
| Date Created | 2015-05-04 |
| Last Modified | 2023-04-26 |
| Technical Level | Advanced |
| Products | Security Gateway |
| Versions | R81.10 (EOS), R81 (EOS) |
| OS | Gaia |

## Symptoms

- When the user configures two interfaces in Bridge Mode, traffic is dropped due to "`local interface spoofing.`"

## Cause

The traffic is being inspected two times. The Security Gateway cannot filter or transmit packets on a bridge interface that it inspected before (double-inspection).

## Solution

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

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