# Traffic does not pass through the Security Group after deleting the built-in user "_lldp"

**Product:** Maestro HyperScale Firewall  
**Version:** R81.10 (EOS), R81.20  
**OS:** Gaia  
**Last Modified:** 2024-08-20

## Symptoms

- Traffic does not pass through the Security Group.
- Gaia Portal of the Maestro Orchestrator on the "**Orchestrator**" page does not show Security Appliances as connected.
- Output of the Expert mode command '`g_all ps aux | grep -E "lldpd|COMMAND"`' on the Security Group shows that the daemon "`/usr/sbin/lldpd`" was started by an actual user (for example, "`admin`") instead of the required built-in user "`_lldpd`".
- Gaia Portal of the Maestro Orchestrator _or_ the Security Group on the "**User Management > Users**" page does not show the required built-in user "`_lldp`".

## Cause

An administrator manually deleted the required built-in user "`_lldpd`" - on either the Maestro Orchestrator or the Security Group Members.

## Solution

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#### 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:** Advanced  
**Status:** Approved by TAC  
**Date Created:** 2024-02-15  
**Last Modified:** 2024-08-20