> Source: [sk176685](https://support.checkpoint.com/results/sk/sk176685)

# sk176685 - Traffic through cluster is interrupted every several minutes when multicast dynamic routing is used

| Property | Value |
|----------|-------|
| Solution ID | sk176685 |
| Date Created | 2021-12-01 |
| Last Modified | 2021-12-07 |
| Technical Level | General |
| Products | Security Gateway |
| Versions | R81 (EOS) |
| OS | Gaia |

## Symptoms

- * Traffic through cluster is interrupted every several minutes when multicast dynamic routing is used.

  <br />

* The */var/log/messages* file on cluster members contains this message:

  `kernel: [fwX_X];CLUS-100102-1: Failover member <Cluster ID of This Member> -> member <Cluster ID of Peer Member> | Reason: ROUTED PNOTE`
* The */var/log/dump/usermode* directory on the cluster members contains core dump files for the routed process (*routed.\<PID\>.core.gz*)

  <br />

## Cause

In a rare scenario, the routed process unexpectedly exits when creating an MFC (S,G) entry.

## Solution

This problem was fixed. The fix is included starting from:

* [Check Point R81.10](https://supportcenter.checkpoint.com/supportcenter/portal?eventSubmit_doGoviewsolutiondetails=&solutionid=skXXX)
* [Jumbo Hotfix Accumulator for R81](https://supportcenter.checkpoint.com/supportcenter/portal?eventSubmit_doGoviewsolutiondetails=&solutionid=sk170114) starting from Take 34
* [Jumbo Hotfix Accumulator for R80.40](https://supportcenter.checkpoint.com/supportcenter/portal?eventSubmit_doGoviewsolutiondetails=&solutionid=sk165456) starting from Take 119
* [Jumbo Hotfix Accumulator for R80.30](https://supportcenter.checkpoint.com/supportcenter/portal?eventSubmit_doGoviewsolutiondetails=&solutionid=sk153152) starting from Take 237

Check Point recommends to always upgrade to the most recent version ([Security Gateway](https://supportcenter.checkpoint.com/supportcenter/portal?eventSubmit_doShowproductpage&productTab=downloads&product=435) / [VSX](https://supportcenter.checkpoint.com/supportcenter/portal?eventSubmit_doShowproductpage&productTab=downloads&product=359)).

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