> Source: [sk176114](https://support.checkpoint.com/results/sk/sk176114)

# sk176114 - IPv6 filter for 'fw6 monitor' is not working

| Property | Value |
|----------|-------|
| Solution ID | sk176114 |
| Date Created | 2021-11-03 |
| Last Modified | 2021-11-03 |
| Technical Level | General |
| Products | Security Gateway |
| Versions | R81.10 (EOS), R81 (EOS) |

## Symptoms

- Running 'fw6 monitor' with a '-F' filter ignored by the Security Gateway when the Source or Destination IP contains more than 21 characters, and non-related traffic is analyzed as well.

## Solution

[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](https://supportcenter.checkpoint.com/supportcenter/portal?eventSubmit_doGoviewsolutiondetails=&solutionid=sk92739) files from the Security Management 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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