> Source: [sk182806](https://support.checkpoint.com/results/sk/sk182806)

# sk182806 - On Maestro, traffic to Remote Access client is dropped with "vpnk_tcpt invalid negative tunnel id" 

| Property | Value |
|----------|-------|
| Solution ID | sk182806 |
| Date Created | 2024-11-04 |
| Last Modified | 2025-12-23 |
| Technical Level | General |
| Products | Security Gateway, Scalable Platforms |
| Versions | R82, R81.20, R81.10 (EOS), R82, R81.20, R81.10 (EOS) |
| OS | Gaia |

## Symptoms

- * On Quantum Maestro, traffic from a server to Remote Access client is dropped with `"vpnk_tcpt invalid negative tunnel id"` reason Maestro.  
  `@;...[fw4_1];VPN-1: vpn_encrypt_chain: packet is forwarded, encryption will be done on another instance;`  
  `@;...[fw4_1];vpnk_get_mspi_from_opaque: retuned mspi = 8e (i: 0) (cdir = 1 dir = 1) );`  
  `@;...[fw4_1];get_msa_by_mspi: Found MSA for mspi 8e (i: 0) in global table.;`  
  `@;...[fw4_1];vpnk_tcpt: packet with tunnel_id=-1 < 0;`  
  `@;...[fw4_1];fw_log_drop_ex: `Packet proto=1 1xx.x.x.x:1 -> 10.y.y.y:0 dropped by vpnktcpt_chain_out Reason: vpnk_tcpt invalid negative tunnel id;` `  

* Traffic from Remote Access client to the server works.

## Solution

This problem was fixed. The fix is included in:

* [Jumbo Hotfix Accumulator for R82](https://sc1.checkpoint.com/documents/Jumbo_HFA/R82/Default.htm) starting from Take 10
* [Jumbo Hotfix Accumulator for R81.20](https://sc1.checkpoint.com/documents/Jumbo_HFA/R81.20/Default.htm) starting from Take 99
* [Jumbo Hotfix Accumulator for R81.10](https://sc1.checkpoint.com/documents/Jumbo_HFA/R81.10/Default.htm) starting from Take 173

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).

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