> Source: [sk118097](https://support.checkpoint.com/results/sk/sk118097)

# sk118097 - MultiCore Support for IPsec VPN

| Property | Value |
|----------|-------|
| Solution ID | sk118097 |
| Date Created | 2017-06-13 |
| Last Modified | 2026-06-24 |
| Technical Level | General |
| Products | Security Gateway |
| Versions | R81.20, R81.10 (EOS), R81 (EOS) |
| OS | Gaia |

## Solution

Starting in R80.10 Security Gateway, ***IPsec VPN MultiCore*** feature allows CoreXL to inspect VPN traffic on all CoreXL FW instances.

This feature is enabled by default, and it is not supported to disable it.

Run the following commands to monitor the distribution of VPN traffic between CoreXL FW instances:

* **`[Expert@HostName:0]# vpn tu mstats`**   
  **`[Expert@HostName:0]# vpn6 tu mstats`**

  *Example output*:
  >
  > ```
  > Instance#     # of inSPIs    # of outSPIs
  >         0             182             170
  >         1             184             176
  >         2             191             174
  >         3             215             197
  >         4             237             227
  >         5             191             176
  >         6             180             170
  >         7             190             166
  >         8             171             160
  >         9             199             187
  > -----------------------------------------
  >   Summary:           1940            1803
  > ```

* **`[Expert@HostName:0]# vpn tu tlist [options]`**   
  **`[Expert@HostName:0]# vpn6 tu tlist [options]`**

  Note: Run `vpn tu tlist -h` / `vpn6 tu tlist -h` to see the options.

  *Example output*:
  >
  > ```
  > +--------------------------------------------------------+--------------------------------+---------------------+
  > | Peer: 172.29.7.134 (b61cef72a222a909)   | MSA: ffffc20020e34530 | i: 2  ref: 11        |
  > | Methods: ESP Tunnel AES-128 SHA1           |                                            | i: 5  ref:  2         |
  > | My TS:   0.0.0.0/0                                            |                                            |                            |
  > | Peer TS: 172.29.7.134                                    |                                            |                            |
  > | User: user3                                                       |                                            |                            |
  > | MSPI:      b7 (i:   5)                                           | Out SPI: c95d172c           |                            |
  > +--------------------------------------------------------+---------------------------------+--------------------+
  > ```

**Related solutions:**

* [sk98737 - ATRG: CoreXL](https://supportcenter.checkpoint.com/supportcenter/portal?eventSubmit_doGoviewsolutiondetails=&solutionid=sk98737)
* [sk104760 - ATRG: VPN Core](https://supportcenter.checkpoint.com/supportcenter/portal?eventSubmit_doGoviewsolutiondetails=&solutionid=sk104760)
* [sk101223 - MultiCore Support for SSL](https://supportcenter.checkpoint.com/supportcenter/portal?eventSubmit_doGoviewsolutiondetails=&solutionid=sk101223)

---

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