> Source: [sk101539](https://support.checkpoint.com/results/sk/sk101539) # sk101539 - ClusterXL Load Sharing mode limitations and important notes | Property | Value | |----------|-------| | Solution ID | sk101539 | | Date Created | 2014-07-28 | | Last Modified | 2024-12-11 | | Technical Level | General | | Products | Security Gateway | | Versions | R82, R81.20, R81.10 (EOS), R81 (EOS) | ## Solution Enter the string to filter this table: |----------------------------------|----------------------------------------------------|---------------------------------------------------------------------------------------------------------------------------------------------------------------------|----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------| | Category | Feature | Limitation | Comments | | **Networking** | NAT | | Allocation of NAT ports is divided between all cluster members (also applies to the High Availability mode) | | **Networking** | IPv6 | Not supported | | | **Networking** | Layer 2 Bridge mode | Not supported | | | **Configuration** | Full HA | Not supported | | | **Configuration** | VSX mode | Not supported | | | **Software Blades and features** | Threat Extraction | Not supported | | | **Software Blades and features** | DLP UserCheck | Not supported |
| | **Software Blades and features** | DLP 'Ask User' action | Not supported | | | **Software Blades and features** | IPSec VPN with 3rd party IPsec peers | Enables Sticky Decision Function, which *disables* SecureXL | Applies only to clusters R80.10 and lower | | **Software Blades and features** | IPSec VPN | In versions from R80.20 to R81, Cluster Load Sharing mode is **not** supported with the IPsec VPN Software Blade This limitation does not apply to VSX in VSLS mode | Support for the IPsec VPN Software Blade is integrated starting in: * [Check Point R81.10](https://support.checkpoint.com/results/sk/sk170416) * [R81 Jumbo Hotfix Accumulator](https://support.checkpoint.com/results/sk/sk170114), Take 34 and higher (PMTR-63196) | | **Software Blades and features** | Mobile Access * SNX clients * Visitor Mode support | Enables Sticky Decision Function, which *disables* SecureXL | For example, refer to [sk105018](http://supportcontent.checkpoint.com/solutions?id=sk105018) | | **Software Blades and features** | Application Control | | Application Control Limit is divided between all cluster members. *Example* : If the 10 Mb limit is configured in the Application Control rulebase on ClusterXL with two members, then each cluster member enforces the 5 Mb limit | {#Unique_IDTable} **Note:** For support of ClusterXL Load Sharing mode in versions R80.20 and higher, refer to [sk162637](https://support.checkpoint.com/results/sk/sk162637). --- # Agent Instructions This content is from the Check Point Support Center (https://support.checkpoint.com), the official knowledge base for Check Point cybersecurity products. ## Navigating This Knowledge Base - **Complete index**: [llms.txt](https://support.checkpoint.com/llms.txt) - **All SK articles**: [SecureKnowledge Sitemap](https://support.checkpoint.com/sitemaps/secureknowledge-sitemap-index.xml) - **SK article URL pattern**: `https://support.checkpoint.com/results/sk/{skId}` - **Markdown responses**: AI bot User-Agents automatically receive `text/markdown` content