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

Product: Maestro HyperScale Firewall, Remote Access VPN
Version: R81.10 (EOS), R81.20, R82
OS: Gaia
Last Modified: 2025-12-23

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 starting from Take 10
• Jumbo Hotfix Accumulator for R81.20 starting from Take 99
• Jumbo Hotfix Accumulator for R81.10 starting from Take 173

If you choose not to upgrade, Check Point can supply a Hotfix. 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 the Hotfix.

For faster resolution and verification, please collect CPinfo files from the Security Management Server and Security Gateways 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: 2024-11-04
Last Modified: 2025-12-23