> Source: [sk180258](https://support.checkpoint.com/results/sk/sk180258)

# sk180258 - "path_rt: OSPF ASE tag 0xffffffff has invalid length" messages in routing log files on Security Gateway

| Property | Value |
|----------|-------|
| Solution ID | sk180258 |
| Date Created | 2022-12-19 |
| Last Modified | 2023-06-25 |
| Technical Level | Advanced |
| Products | Security Gateway |
| Versions | R81.20, R81.10 (EOS), R81 (EOS) |
| OS | Gaia |

## Symptoms

- "*path_rt: OSPF ASE tag 0xffffffff has invalid length* " message appears in */var/log/routed.log* or */var/log/routed_messages* file on the Security Gateway.

## Cause

1. Check Point Gaia OS supports the OSPF route tag values from `1` to `2,147,483,647`.
2. On the router, the OSPF route tag value is greater than 2,147,483,647.

## Solution

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

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