> Source: [sk172883](https://support.checkpoint.com/results/sk/sk172883)

# sk172883 - Route's Age learned by OSPF is constantly refreshed

| Property | Value |
|----------|-------|
| Solution ID | sk172883 |
| Date Created | 2021-04-04 |
| Last Modified | 2021-04-05 |
| Technical Level | Advanced |
| Products | Security Gateway |
| Versions | R82.10, R82, R81.20 |

## Symptoms

- * Every LSA Update for a specific route that the Security Gateway receives, it is updating all the routing table for the related Router ID instead of updating only the specific route.

* There are no connectivity issues with OSPF.

* You can see that the "age" of the next route is updated frequently.

## Cause

Some LS Updates are received on the Security Gateway with LS age of 3600.

## Solution

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

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